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MT9T001P12STC中文资料


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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Features

1/2-Inch 3-Megapixel CMOS Digital Image Sensor
MT9T001P12STC
For the latest data sheet, refer to Micron’s Web site: www.micron.com/imaging

Features
? ? ? ? ? ? ? ? ? DigitalClarity? Image sensor technology High frame rate Global reset release Horizontal and vertical binning Column and row skip modes Superior low-light performance Low dark current Simple two-wire serial interface Programmable controls: Gain, frame rate, frame size, exposure ? Pin-for-pin compatible with Micron’s 1.3-megapixel MT9M001 and 2-megapixel MT9D001

Table 1:

Key Performance Parameters
Typical Value
1/2-inch (4:3) 6.55mm(H) x 4.92mm(V) 8.19 (Diagonal) 2,048H x 1,536V 3.2μm x 3.2μm RGB Bayer pattern Global reset release (GRR), electronic rolling shutter (ERS) 48 MPS/48 MHz Programmable up to 12 fps Programmable up to 20 fps Programmable up to 27 fps Programmable up to 43 fps Programmable up to 93 fps 10-bit, on-chip >1.0 V/lux-sec (550nm) 61dB 43dB 3.0V?3.6V (3.3V nominal) 240mW (nominal); 2?W (standby) 0°C to +60°C 48-pin PLCC

Parameter
Optical format Active imager size Active pixels Pixel size Color filter array Shutter type Maximum data rate/ master clock QXGA (2,048 x 1,536) UXGA Frame (1,600 x 1,200) rate SXGA (1,280 x 1,024) XGA (1,024 x 768) VGA (640 x 480) ADC resolution Responsivity Dynamic range SNRMAX Supply voltage Power consumption Operating temperature Packaging

Applications
? Digital still cameras ? Digital video cameras ? Converged DSCs/camcorders

General Description

The Micron? Imaging MT9T001 is a QXGA-format 1/2inch CMOS active-pixel digital image sensor with an active imaging pixel array of 2,048H x 1,536V. It incorporates sophisticated camera functions on-chip such as windowing, column and row skip mode, and snapshot mode. It is programmable through a simple twowire serial interface. The 3-megapixel CMOS image sensor features DigitalClarity—Micron’s breakthrough low-noise CMOS imaging technology that achieves CCD image quality (based on signal-to-noise ratio and low-light sensitivity) while maintaining the inherent size, cost, and integration advantages of CMOS. The sensor can be operated in its default mode or programmed by the user for frame size, exposure, gain setting, and other parameters. The default mode outputs a QXGA image at 12 frames per second (fps). An onchip analog-to-digital converter (ADC) provides 10 bits per pixel. FRAME_VALID and LINE_VALID signals are output on dedicated pins, along with a pixel clock that is synchronous with valid data.
81004bad/80ffb422 MT9T001_3100_DS_1.fm - Rev. D 7/05 EN

The MT9T001 produces extraordinarily clear, sharp digital pictures, and its ability to capture both continuous video and single frames makes it the perfect choice for a wide range of consumer and industrial applications, including digital still cameras, digital video cameras, and PC cameras.

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Micron Technology, Inc., reserves the right to change products or specifications without notice. ?2004 Micron Technology, Inc. All rights reserved.

Products and specifications discussed herein are for subject to change by Micron without notice.

元器件交易网www.cecb2b.com
MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Table of Contents Table of Contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 General Description (continued). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Pixel Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Pixel Array Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Output Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Output Data Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Frame Timing Formulas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Feature Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Window Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Window Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Electronic Panning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Blanking Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Frame Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 High Frame Rate Readout Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Pixel Integration Time Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Snapshot Mode and Flash Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Setting up for Snapshot Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Triggering A Snapshot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Strobe Pulse Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Global Shutter Release Snapshot Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Programmed Exposure Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Bulb Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Skip and Bin Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Smaller Format Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Line_Valid Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Signal Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 Gain Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 Black Level Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 Manual Black Level Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 Black Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 Standby Control and Chip Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Serial Bus Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Bus Idle State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Start Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Stop Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Slave Address. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Data Bit Transfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Acknowledge Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 No-Acknowledge Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Two-Wire Serial Interface Sample Write and Read Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 16-Bit Write Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 16-Bit Read Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Data Output and Propagation Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
81004bad/80ffb422 MT9T001_3100_DSTOC.fm - Rev. D 7/05 EN Micron Technology, Inc., reserves the right to change products or specifications without notice. ?2004 Micron Technology, Inc. All rights reserved.

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元器件交易网www.cecb2b.com
MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Table of Contents
Two-Wire Serial Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Rev D, 06/2005 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Rev C, Preliminary 09/2004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Rev B, Preliminary 03/2004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Rev A, Verion 1.0, Preliminary 12/2003 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

81004bad/80ffb422 MT9T001_3100_DSTOC.fm - Rev. D 7/05 EN

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Micron Technology, Inc., reserves the right to change products or specifications without notice. ?2004 Micron Technology, Inc. All rights reserved.

元器件交易网www.cecb2b.com
MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor List of Figures List of Figures
Figure 1: Figure 2: Figure 3: Figure 4: Figure 5: Figure 6: Figure 7: Figure 8: Figure 9: Figure 10: Figure 11: Figure 12: Figure 13: Figure 14: Figure 15: Figure 16: Figure 17: Figure 18: Figure 19: Figure 20: Figure 21: Figure 22: Figure 23: Figure 24: Figure 25: Figure 26: Figure 27: Figure 28: Figure 29: Figure 30: Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Typical Configuration (Connection) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Pinout-48-Pin PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Pixel Array Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Pixel Color Pattern Detail (Top Right Corner) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Spatial Illustration of Image Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Timing Example of Pixel Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Row Timing and FRAME_VALID/LINE_VALID Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Windowing Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Windowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Column Skip 2x; Row Skip 2X Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Column Skip 3x; Row Skip 3X Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Column Skip 4x; Row Skip 4X Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Column Skip 8x; Row Skip 8X Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Bin 2-to-1: 2,048H x 1,536V (QXGA) to 1,024H x 768V (XGA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Bin 3-to-1: 2,048H x 1,536V (QXGA) to 640H x 480V (VGA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Different LINE_VALID Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Signal Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 Timing Diagram Showing a Write to Reg0x09 with the Value 0x0284 . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Timing Diagram Showing a Read from Reg0x09; Returned Value 0x0284 . . . . . . . . . . . . . . . . . . . . . . .34 Data Output Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Serial Host Interface Start Condition Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Serial Host Interface Stop Condition Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Serial Host Interface Data Timing for Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Serial Host Interface Data Timing for Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Acknowledge Signal Timing After an 8-Bit Write to the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Acknowledge Signal Timing After an 8-Bit Read from the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Quantum Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Image Center Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 48-Pin PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

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Micron Technology, Inc., reserves the right to change products or specifications without notice. ?2004 Micron Technology, Inc. All rights reserved.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor List of Tables List of Tables
Table 1: Table 2: Table 3: Table 4: Table 5: Table 6: Table 7: Table 8: Table 9: Table 10: Table 11: Table 12: Table 13: Table 14: Table 15: Table 16: Key Performance Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Frame Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Register List and Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Reserved Register List and Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Standard Resolutions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Wide Screen (16:9) Resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Auto Focus Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 STROBE Pulse Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Bin and Skip Mode Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Skip and Bin Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Gain Increment Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 AC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor General Description (continued)

General Description (continued)
Figure 1: Block Diagram
Two-Wire Serial Interface Clock Sync Signals

Control Register Active-Pixel Sensor (APS) Array Timing and Control

Analog Processing

ADC

10-bit Data

Figure 2: Typical Configuration (Connection)
3.3V Analog 3.3V Digital

1.5KΩ

1.5KΩ

+

.1μF

2.2μF

Two-wire { serial bus

1KΩ

10μF
7 8 9 10 11 12 13 14 15 16 17 18

NC DGND VDD NC NC VAAPIX AGND AGND SCLK SDATA NC DGND

+

6 5 4 3 2 1 48 47 46 45 44 43

TRIGGER

GSHT_CTL

STANDBY TRIGGER NC RESET# NC GSHT_CTL OE# NC AGND VAA AGND AGND

MT9T001

NC FRAME_VALID LINE_VALID STROBE DGND VDD D9 D8 D7 D6 D5 PIXCLK

42 41 40 39 38 37 36 35 34 33 32 31

FRAME_VALID LINE_VALID STROBE D9 D8 D7 D6 D5 PIXCLK

.1μF

.01μF

19 20 21 22 23 24 25 26 27 28 29 30

NC VAA AGND VDD DGND D0 D1 D2 D3 D4 CLKIN NC

CLKIN D4 D3 D2 D1 D0

Note:

Resistor value 1.5KΩ is recommended, but may be greater for slower two-wire speed.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor General Description (continued) Figure 3: 48-Pin PLCC
VAAPIX DGND SDATA AGND AGND DGND
43 42 41 40 39 38 37 36 35 34 33 32 31 19 20 21 22 23 24 25 26 27 28 29 30

SCLK

VDD

NC

NC

NC

6

5

4

3

2

1

48

47

46

45

NC
44

STANDBY TRIGGER NC RESET# NC GSHT_CTL OE# NC AGND VAA AGND AGND

7 8 9 10 11 12 13 14 15 16 17 18

NC FRAME_VALID LINE_VALID STROBE DGND VDD DOUT<9> DOUT<8> DOUT<7> DOUT<6> DOUT<5> PIXCLK

DOUT<0>

DOUT<1>

DOUT<2>

DOUT<3>

DOUT<4>

NC

AGND

DGND

CLKIN

VAA

.

Table 1:
Pin Numbers 7 8 10 13 29 46 12 45 24, 25, 26, 27, 28, 32, 33, 34, 35, 36 31 39 40 41

Pin Descriptions
Symbol STANDBY TRIGGER RESET# OE# CLKIN SCLK GSHT_CTL SDATA DOUT<0–9> Type Input Input Input Input Input Input Input I/O Output Description Standby: activates (HIGH) standby mode, disables analog bias circuitry for power saving mode. Trigger: activates (HIGH) snapshot sequence. Reset: activates (LOW) asynchronous reset of sensor. All registers assume factory defaults. Output enable: OE# when HIGH, places outputs DOUT<0–9>, FRAME_VALID, LINE_VALID, PIXCLK, and STROBE into a tri-state configuration. Clock in: master clock into sensor (48 MHz maximum). Serial clock: clock for serial interface. Global shutter control. Serial data: serial data bus, requires 1.5KΩ resistor to 3.3V for pull-up. Data out: pixel data output bit 0, DOUT<9> (MSB), DOUT<0> (LSB).

PIXCLK STROBE LINE_VALID FRAME_VALID

Output Output Output Output

Pixel clock: pixel data outputs are valid during falling edge of this clock. Frequency = (master clock). Strobe: output is pulsed HIGH to indicate sensor reset operation of pixel array has completed. Line valid: output is pulsed HIGH during line of selectable valid pixel data (see Reg0x20 for options). Frame valid: output is pulsed HIGH during frame of valid pixel data.

81004bad/80ffb422 MT9T001_3100_DS_2.fm - Rev. D 7/05 EN

VDD

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NC

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor General Description (continued) Table 1:
Pin Numbers 1 4, 22, 37 5, 23, 38, 43 16, 20 15, 17, 18, 21, 47, 48 2, 3, 6, 9, 11,14,19, 30 42, 44

Pin Descriptions (continued)
Symbol VAAPIX VDD DGND VAA AGND NC Type Supply Supply Supply Supply Supply – Description Analog pixel power: provide power supply for pixel array, 3.3V ±0.3V. Digital power: provide power supply for digital block, 3.3V ±0.3V. Digital ground: provide isolated ground for digital block. Analog power: provide power supply for analog block, 3.3V ±0.3V. Analog ground: provide isolated ground for analog block and pixel array. No connect: these pins must be left unconnected.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Pixel Data Format

Pixel Data Format
Pixel Array Structure
The MT9T001 pixel array is configured as 2,112 columns by 1,568 rows, as shown in Figure 4. Columns from 0 through 27 and from 2,085 through 2,111, and also rows from 0 through 15 and from 1,561 through 1,567 are optically black. These optical black columns and rows can be used to monitor the black level. The black row data is used internally for the automatic black level adjustment. However, the black rows and columns can also be read out by setting Reg0x20 (11) and Reg0x1E (7), respectively. There are 2,057 columns by 1,545 rows of optically active pixels, which provides a four-pixel boundary around the QXGA (2,048 x 1,536) image to avoid boundary effects during color interpolation and correction. The MT9T001 uses a Bayer color pattern, as shown in Figure 5. The even-numbered rows contain green and red color pixels, and odd-numbered rows contain blue and green color pixels. The even-numbered columns contain green and blue color pixels; odd-numbered columns contain red and green color pixels.

Figure 4: Pixel Array Description
16 black rows
4

(0, 0)

27 black columns

5

QXGA (2,048 x 1,536) + 4 pixel boundary for color correction + additional active column + additional active row = 2,057 x 1,545 active pixels

4

28 black columns

5

(2111, 1567)

7 black rows

Figure 5: Pixel Color Pattern Detail (Top Right Corner)
column readout direction . . . black pixels Pixel (28, 16) G row readout direction B ... G B G B R G R G R G G B G B G B R G R G R G . . . G B G B G B R G R G R G G B G B G B

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Pixel Data Format Output Data Format
The MT9T001 image data is read out in a progressive scan. Valid image data is surrounded by horizontal blanking and vertical blanking, as shown in Figure 6. The amount of horizontal blanking and vertical blanking is programmable through Reg0x05 and Reg0x06, respectively. LINE_VALID is HIGH during the shaded region of the figure. FRAME_VALID timing is described in “Output Data Timing” on page 10.

Figure 6: Spatial Illustration of Image Readout
P0,0 P0,1 P0,2.....................................P0,n-1 P0,n P1,0 P1,1 P1,2.....................................P1,n-1 P1,n 00 00 00 .................. 00 00 00 00 00 00 .................. 00 00 00

VALID IMAGE

HORIZONTAL BLANKING

Pm-1,0 Pm-1,1.....................................Pm-1,n-1 Pm-1,n 00 00 00 .................. 00 00 00 Pm,0 Pm,1.....................................Pm,n-1 Pm,n 00 00 00 .................. 00 00 00 00 00 00 ..................................... 00 00 00 00 00 00 ..................................... 00 00 00 VERTICAL BLANKING 00 00 00 ..................................... 00 00 00 00 00 00 ..................................... 00 00 00 00 00 00 .................. 00 00 00 00 00 00 .................. 00 00 00 VERTICAL/HORIZONTAL BLANKING 00 00 00 .................. 00 00 00 00 00 00 .................. 00 00 00

Output Data Timing
The data output of the MT9T001 is synchronized with the PIXCLK output. When LINE_VALID is HIGH, one 10-bit pixel datum is output every PIXCLK period. The PIXCLK can be used as a clock to latch the data. DOUT data is valid on the falling edge of PIXCLK in default mode. The PIXCLK is HIGH while master clock is HIGH and then LOW while master clock is LOW. It is continuously enabled, even during the blanking period. The parameters in P, A, and Q shown in Figure 8 are defined in Table 2.

Figure 7: Timing Example of Pixel Data
....

LINE_VALID
....

PIXCLK
Blanking Valid Image Data
....

Blanking

DOUT9-DOUT0

P0 (9:0)

P1 (9:0)

P2 (9:0)

P3 (9:0)

P4 (9:0)

....

Pn-1 (9:0)

Pn (9:0)

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Pixel Data Format Figure 8: Row Timing and FRAME_VALID/LINE_VALID Signals
...

FRAME_VALID
...

LINE_VALID
...

Number of master clocks P1+P2

A

Q

A

Q

A

P3

Frame Timing Formulas Table 2:
Parameter R A P1

Frame Timing
Name Active Rows Active Columns Frame Start Blanking 1 Equation (Pixel Clocks = Master Clock) ((Reg0x03 + 1)/((Reg0x22[2–0] + 1))) (rounded up to next even number) ((Reg0x04 + 1)/((Reg0x23[2–0] + 1))) (rounded up to next even number) 331 if Reg0x22[5–4] = 0, normal 673 if Reg0x22[5–4] = 1, Bin 2x 999 if Reg0x22[5–4] = 2, Bin 3x 38 if Reg0x23[5–4] = 0, normal 22if Reg0x23[5–4] = 1, Bin 2x 14 if Reg0x23[5–4] = 2, Bin 3x Reg0x05 (minimum Reg0x05 value = 21) P1 + P2 + P3 Reg0x0C + 316 x (Reg0x23[5–4] +1) The greater of: (A + Q) or (P1+ P4) (Reg0x06 + 1) x tROW R x tROW The greater of: ((65536 x Reg0x08 + Reg0x09) x tROW) or (tFV + V) Default Timing at 48 MHz 1,536 pixel clocks = 32.0?s 2,048 pixel clocks = 42.67?s 331pixel clocks = 6.89?s 38 pixel clocks = 0.79?s 142 pixel clocks = 2.96?s 511 pixel clocks = 10.65?s 316 pixel clocks = 6.58?s 2,559 pixel clocks = 53.31?s 66,534 pixel clocks = 1.39ms 3,930,624 pixel clocks = 81.89ms 3,997,158 pixel clocks = 83.27ms

P2

Frame Start Blanking 2

P3 Q P4
t ROW

Frame End Blanking 3 Horizontal Blanking Shutter Overhead RowTime Vertical Blanking Frame Valid Time Total Frame Time

V
tFV tFRAME

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Registers

Registers
Table 3: Register List and Default Values
Description Chip Version Row Start Column Start Row Size (Window Height) Col Size (Window Width) Horizontal Blanking Vertical Blanking Output Control Shutter Width Upper Shutter Width Pixel Clock Control Restart Shutter Delay Reset Read Mode 1 Read Mode 2 Read Mode 3 Row Address Mode Column Address Mode Green1 Gain Blue Gain Red Gain Green2 Gain Test Data Global Gain Black Level Row Black Default Offset BLC Delta Thresholds Cal Threshold Green1 Offset Green2 Offset Black Level Calibration Red Offset Blue Offset Chip Enable/Synchronize Chip Version Note: Data Format (Binary) 1011 0001 0000 0001 0000 00dd dddd ddd0 0000 0ddd dddd ddd0 0000 00dd dddd ddd1 0000 0ddd dddd ddd1 0000 00dd dddd dddd 0000 00dd dddd dddd 0d00 0000 d0dd 00dd 0000 0000 0000 dddd dddd dddd dddd dddd dddd dddd dddd dddd 0000 0000 0000 000d 0000 00dd dddd dddd 0000 0000 0000 000d 1100 dddd 0100 0000* ddd0 ddd0 0000 00dd 0000 0000 0000 00dd 0ddd 0ddd 0ddd 0ddd 0000 0ddd 00dd 0ddd 0ddd dddd 0d0d dddd 0ddd dddd 0d0d dddd 0ddd dddd 0d0d dddd 0ddd dddd 0d0d dddd 0000 0ddd dddd dd00 dddd dddd dddd dddd 0000 0ddd dddd dddd 0000 0ddd dddd dddd 0ddd dddd 0ddd dddd dddd dddd dddd dddd 0000 000d dddd dddd 0000 000d dddd dddd dddd d000 0000 00dd 0000 0ddd dddd dddd 0000 0ddd dddd dddd 0000 0000 0000 00dd 0001 0110 0010 0001 Default Value (Hex) 0x1621 0x0014 0x0020 0x05FF 0x07FF 0x008E 0x0019 0x0002 0x0000 0x0619 0x0000 0x0000 0x0000 0x0000 0xC040** 0x2000 0x0000 0x0000 0x0000 0x0008 0x0008 0x0008 0x0008 0x0000 0x0008 0x00A8 0x0028 0x2D13 0x231D 0x0020 0x0020 0x0000 0x0020 0x0020 0x0001 0x1621 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x1E 0x20 0x21 0x22 0x23 0x2B 0x2C 0x2D 0x2E 0x32 0x35 0x49 0x4B 0x5D 0x5F 0x60 0x61 0x62 0x63 0x64 0xF8 0xFF Register # (Hex)

1 = always 1 0 = always 0 d = programmable ? = read only *It is recommended that bit 14 be cleared **Value 0x8040 is recommended

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Registers Table 4: Reserved Register List and Default Values
Register # (Hex) 0x27 0x29 0x30 0x3C 0x3D 0x3E 0x3F 0x40 0x41 0x42 0x43 0x44 0x45 0x46 0x47 0x48 0x4A 0x4C 0x4D 0x4E 0x4F 0x50 0x51 0x52 0x53 0x54 0x55 0x56 0x5B 0x5C 0x5E 0x65 0x67 0x68 0x69 0x6A 0x6B 0x6C 0x6D 0x6E 0x70 0x71 0x72 0x73 0x74 0x75
81004bad/80ffb422 MT9T001_3100_DS_2.fm - Rev. D 7/05 EN

Description Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved

Default Value (Hex) 0x0001 0x0401 0x0000 0x0010 0x0005 0x0003 0x0002 0x0005 0x0003 0x0003 0x0003 0x0003 0x0010 0x0010 0x0010 0x0010 0x0010 0x0030 0x0020 0x0010* 0x0014 0x8004 0x0002 0x8004 0x0002 0x0010 0x0010 0x0020 0x0007 0x071C 0x5364 0x0000 0x3FFF 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x0000 0x00A3 0xA204 0xA006 0x260A 0x280C 0x520D

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Registers Table 4: Reserved Register List and Default Values (continued)
Register # (Hex) 0x76 0x77 0x78 0x79 0x7A 0x7B 0x7C 0x7D 0x7E 0x7F 0x80 0x81 0x82 0x83 0x84 0x86 0x87 0x89 0x8A 0x8B 0x8C 0x90 0x91 0x92 0xF1 0xFA 0xFB 0xFC 0xFD Note: Description Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Default Value (Hex) 0x7054 0x0000 0x9C57 0x9E02 0x9E04 0x9E06 0xA006 0x5308 0x3208 0x7C52 0x004E 0x4E00 0x4C02 0x480C 0x4A0E 0x2E0C 0x0000 0x4C02 0x0000 0x4F0A 0x3A0A 0x061F 0x0000 0x0001 0x0000 0x0000 0x0000 0x0000 0x0000

Even reading some of these registers causes this part to go into an unknown state. *Value 0x0020 is recommended

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Registers Register Description Table 5:
Register Chip ID 0x00 Row Start 0x01 Column Start 0x02 Row Size 0x03 Column Size 0x04

Register Descriptions
Bit 15:0 10:0 11:0 Description This register is read-only and gives the chip identification number: 0x1621. First row to be read out—default = 0x0014 (20), register value must be an even number. First column to be read out—default = 0x0020 (32), register value must be an even number. Note: If column bin is enabled, the value must be a multiple of Reg0x23 [5:4] + 1. Window height (number of rows - 1)—default = 0x5FF (1535), register value must be an odd number. Minimum value for 0x03 = 0x0001. Window width (number of columns - 1)—default = 0x7FF (2047), register value must be an odd number. Minimum value for 0x04 = 0x0001.

10:0

10:0

Horizontal Blank 10:0 Horizontal Blank—default = 0x008E (142 pixels). Minimum value = 0x0015 (21). 0x05 Vertical Blank 10:0 Vertical Blank—default = 0x0019 (25 rows). Minimum value = 0x0003 (3). 0x06 Output Control This register controls various features of the output format for the sensor. 0 0x07 Synchronize changes. 0 = normal operation, update changes to registers that affect image brightness (integration time, shutter delay, gain, horizontal and vertical blank, window size, row/column skip, or row mirror) at the next frame boundary. 1 = do not update any changes to these settings until this bit is returned to “0.” 1 Chip Enable. 1 = normal operation. 0 = sensor readout is stopped and analog control signals are put in a state which draws minimal power. 6 Override pixel data. 0 = normal operation. 1 = output programmed test data (see Reg0x32). When set, a test pattern will be output instead of the sampled image from the sensor array. The value sent to the DOUT<9:0> pins will alternate between the Test Data register (Reg0x32) in even columns and the inverse of the Test Data register for odd columns. The output “image” will have the same width, height, and frame rate as it would otherwise have. No digital processing (gain or offset) is applied to the data. When clear (the default), sampled pixel values are output normally. Shutter Width Upper 15:0 The most significant bits of the shutter width, which are combined with Shutter Width (Reg0x09). 0x08 The total shutter width is therefore: (((Shutter_Width_Upper) x 65536) + Shutter_Width). This should allow a shutter width from about 50us to about 50s at default row time. Shutter Width 15:0 Number of rows of integration, the exposure time; the time between when the rolling shutter 0x09 resets a row and that row is read out, in rows. Default = 0x0619 (1561). Minimum value = 0x0001 (1).

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Registers Table 5:
Register

Register Descriptions (continued)
Bit Description Invert Pixel Clock—default = 0x00 (0) When set, line_valid, frame_valid, and data10_out are set up to the rising edge of PIXCLK. When clear, they are set up to the falling edge. This is accomplished by inverting the PIXCLK output. Shift Pixel Clock—default = 0x00 (0) Two's complement value representing how far to shift the PIXCLK output pin relative to DOUT, in CLKIN cycles. Positive values shift PIXCLK later in time relative to DOUT (and thus relative to the internal array/datapath clock. No effect unless PIXCLK is divided by Divide Pixel Clock. Divide Pixel Clock —default = 0x00 (0) Produces a PIXCLK that is divided by the value times two. The value must be a power of 2. This slows down the internal clock in the array control and datapath blocks, including pixel readout. It does not affect the two-wire serial interface clock. A value of 0 corresponds to a PIXCLK with the same frequency as CLK_IN. A value of 1 means f_PIXCLK = (f_CLK_IN / 2); 2 means f_PIXCLK = (f_CLK_IN / 4); 64 means f_PIXCLK = (f_CLK_IN / 128); etc. Setting bit 0 to “1” of Reg0x0B causes the sensor to abandon the readout of the current frame and restart from the first row. This register automatically resets itself to 0x0000 after the frame restart. The first frame after this event is considered to be a "bad frame" (see description for Reg0x20, bit 0). Shutter delay—default = 0x0000 (0). This is the number of pixel clocks that the timing and control logic waits before asserting the reset for a given row. Setting this bit puts the sensor into reset mode, which sets the sensor to its default power-up state. Clearing this bitresumes normal operation. Snapshot Mode—default is 0 (continuous mode). 1 = enable Snapshot trigger signal can come from outside signal (trigger pin 8 on the sensor) or from serial interface register restart, i.e. programming a “1” to bit 0 of Reg0x0B. Strobe Enable—default is 0 (no strobe signal). 1 = enable strobe (signal output from the sensor during the time all rows are integrating). See strobe width for more information. Strobe Width—default is 0 (strobe signal width at minimum length, one row of integration time, prior to Line_Valid going high). 1 = extend strobe width (strobe signal width extends to entire time all rows are integrating; shutter width must be >= row size + vertical blanking). Strobe Override—default is 0 (strobe signal created by digital logic). 1 = override strobe signal (strobe signal is set high when this bit is set, low when this bit is set low. It is assumed that strobe enable is set to “0” if strobe override is being used). No bad frames—1 = output all frames (including bad frames). 0 = default, only output good frames. A bad frame is defined as the first frame following a change to: window size or position, horizontal blanking, row or column skip, or mirroring. 1 = "Continuous" LINE_VALID (continue producing Line_Valid during vertical blanking). 0 = Normal Line_Valid (default, no Line_Valid during vertical blank). 1 = LINE_VALID = "Continuous" LINE_VALID XOR FRAME_VALID. 0 = LINE_VALID determined by bit 9 (default).

Pixel Clock Control 15 0x0A

10:8

6:0

Frame Restart 0x0B

0

Shutter Delay 0x0C Reset 0x0D Read Mode 1 0x1E

10:0

0

8

9

10

11

Read Mode 2 0x20

0

9 10

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Registers Table 5:
Register Read Mode 3 0x21

Register Descriptions (continued)
Bit 0 Description Global Reset—default = 0x0000—when set, snapshot mode makes use of the global reset—that is, the entire array is released from reset simultaneously. Ineffective unless Snapshot (Reg0x1E[8]) is set. Use GSHT_CTL—default = 0x0000. When set, the leading edge of the GSHT_CTL pad signal is used to start the shutter sequence in snapshot mode, and the trailing edge starts the read sequence. When clear, the leading edge of the TRIGGER pad signal is used to initiate the shutter sequence, the trailing edge of GSHT_CTL starts the exposure, and the trailing edge of the TRIGGER pad signal is used to start the strobe and readout. Ineffective unless Snapshot (Reg0x1E[8]) and Global Reset are set.

1

Row Skip—the number of row-pairs to skip for every row read. For example, “0” means read every row pair. “1” is skip 2x; 2 is skip 3x, etc. If Row Bin is non-zero, this should be set to the interval between the first rows in each bin. For full binning, Row Skip equals Row Bin. 5:4 Row Bin—the number of rows to be read per row output minus one. For normal read out, this should be “0.” For Bin 2x, it should be “1”; for Bin 3x, it should be “2.” Column Address Mode 2:0 0x23 Column Skip—the number of column-pairs to skip for every pair read. Zero means read every column. “1” means skip one pair for every pair read (Skip 2x); 2 means skip 2 pairs for every pair read (Skip 3x) etc. 5:4 Column Bin—the number of columns to be addressed per column read out minus one. Zero produces standard 1:1 read out. A value of “1” produces Bin 2x; “2” would be Bin 3x. Note: Column start address value must be a multiple of Reg0x23 [5:4] + 1. Green1 Gain 6:0 0x2B Green1 analog gain—default = 0x08 (8) = 1x gain. 14:8 Green1 digital gain—default = 0x00 (0) = 1x gain. Blue Gain 6:0 0x2C Blue analog gain—default = 0x08 (8) = 1x gain. 14:8 Blue digital gain—default = 0x00 (0) = 1x gain. Red Gain 6:0 0x2D Red analog gain—default = 0x08 (8) = 1x gain. 14:8 Red digital gain—default = 0x00 (0) = 1x gain. Green2 Gain 6:0 0x2E Green2 analog gain—default = 0x08 (8) = 1x gain. 14:8 Green2 digital gain—default = 0x00 (0) = 1x gain. Test Data 11:2 Test Data—the data inserted into the data path to produce test pattern when "Use Test Data" 0x32 (Reg0x07, bit 6) is set. Test Data will be inserted for even columns, and the inverse will be inserted for odd columns. Global Gain 6:0 0x35 Global analog gain—default = 0x08 (8) = 1x gain. 14:8 Global digital gain—default = 0x00 (0) = 1x gain. This register can be used to set all four gains at once. When read, it returns the value stored in Reg0x2B. Black Level 11:2 Desired black level in image. 0x49

Row Address Mode 2:0 0x22

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Registers Table 5:
Register

Register Descriptions (continued)
Bit Description

Black Level Calibration Coarse Thresholds 6:0 0x5D Low Coarse Threshold—default = 0x13. This value should be less than Low Target Threshold. See High Coarse Threshold below. 14:8 High Coarse Threshold—default = 0x2D. If the average black value for a color is higher than this value or lower than Low Coarse Threshold, the coarse mode is activated (if enabled). Once the black level is between the High Coarse Threshold and the Low Coarse Threshold, the fine method is used. This value should be set no lower than High Target Threshold. Black Level Calibration Target Thresholds 6:0 0x5F Thres_lo: Lower threshold for black level in units of ADC LSBs—default = 29. 14:8 Thres_hi: Upper threshold for black level in units of ADC LSBs—default = 35. When the black value for a color is within these thresholds, it is considered to be on target. Green1 Offset 8:0 0x60 Cal Green1—Two's complement representation of analog offset correction value for Green1. Green2 Offset 8:0 0x61 Cal Green2—Two's complement representation of analog offset correction value for Green2. Black Level Calibration 0 0x62 Manual override of black level correction. 1 = override automatic black level correction with programmed values. 0 = normal operation (default). 1 Force/disable black level calibration. 0 = Enable Offset Correction (default). 1 = disable Offset Correction Voltage (Offset Correction Voltage = 0.0V). 12 Recalculate Black Level—1 = start a new running digitally filtered average for the black level (this is internally reset to “0” immediately), and do a rapid sweep to find the new starting point. 0 = normal operation (default). 13 Lock Red/Blue Calibration—when set, only one calibration value is used for both red and blue channels. Default is 0, set to “0” at all times. Note: Gain for Red and Blue channels must be equal for setting to be effective. 14 Lock Green Calibration—when set, only one calibration value is used for both Green1 and Green2 channels. Default is 0, set to “0” at all times. Note: Gain for Green1 and Green2 channels must be equal for setting to be effective. Red Offset 8:0 0x63 Cal Red. Two's complement representation of analog offset correction value for Red. Blue Offset 8:0 0x64 Cal Blue. Two's complement representation of analog offset correction value for Blue. Chip Enable and Two-Wire Serial Interface Write Synchronize 0 0xF8 Mirrors the functionality of Reg0x07 bit 1, (Chip Enable). 1 = normal operation. 0 = stop sensor read out. When this is returned to “1,” sensor read out restarts at the starting row in a new frame. 1 Mirrors the functionality of Reg0x07 bit 0 (Synchronize changes). 0 = normal operation, update changes to registers that affect image brightness (integration time, integration delay, gain, horizontal and vertical blank, window size, row/column skip, or row/ column mirror) at the next frame boundary. 1 = do not update any changes to these settings until this bit is returned to”0.”

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description

Feature Description
Window Control
Reg0x01, Reg0x02, Reg0x03, and Reg0x04 These registers control the size of the window. Window Size The default programmed window size is 2,048 columns by 1,536 rows (2,048H x 1,536V). The control logic allows the flexibility to change the window size by programming Reg0x03 and Reg0x04. Reg0x03 controls the window height (number of rows) and Reg0x04 controls the window width (number of columns). The value to be programmed in Reg0x03 is the desired number of rows -1. The value to be programmed in Reg0x04 is the desired number of columns -1. The minimum value for Reg0x03 is 0x0001; for Reg0x04, 0x0001. Thus, the smallest window size is two columns by two rows (2H x 2V). The value of Reg0x03 and Reg0x04 must be an odd number (there can only be even number of columns). The user can program the window size to be any format desired. Table 6 shows examples of register settings to achieve various resolutions and frame rates.

Table 6:

Standard Resolutions
Frame Rate 12 fps 20 fps 27 fps 43 fps 65 fps 93 fps Column_Size (Reg0x04) 2,047 1,599 1,279 1,023 799 639 Row_Size (Reg0x03) 1,535 1,199 1,023 767 599 479 Shutter Width (Reg0x09) <1,552 <1,216 <1,040 <784 <616 <496

Resolution 2,048 x 1,536 QXGA 1,600 x 1,200 UXGA 1,280 x 1,024 SXGA 1,024 x 768 XGA 800 x 600 SVGA 640 x 480 VGA

Table 7:

Wide Screen (16:9) Resolutions
Frame Rate 18 fps 39 fps Note: Column_Size (Reg0x04) 1,919 1,279 Row_Size (Reg0x03) 1,079 719 Shutter Width (Reg0x09) <1,096 <736

Resolution 1,920 x 1,080 HDTV 1,280 x 720 HDTV

For Table 6 and Table 7 above, the settings for Reg0x05 (horizontal blanking) and Reg0x06 (vertical blanking) are 21 and 15 respectively, while all of the registers are set to default.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description
Electronic Panning In addition to changing the window size, the user has the flexibility to change the location of the readout window. Reg0x01 controls the first row to be read out and Reg0x02 controls the first column to be read out. The default values are 0x0014 (decimal 20) for Reg0x01 and 0x0020 (decimal 32) for Reg0x02. The first column to be read out must be an even number. Reg0x01 and Reg0x02, together with Reg0x03 and Reg0x04, allow the user to choose any segment of the imager array to be read out. This is especially beneficial when the user needs to zoom in on a small portion of the image and perform analysis on the image content. Figure 9 shows some examples of the electronic panning/zoom-in and windowing capabilities of the sensor.

Blanking Control
Reg0x05 and Reg0x06 These registers control the blanking time in a row (called column fill-in or horizontal blanking) and between frames (vertical blanking). Horizontal blanking is specified in terms of pixel clocks. Vertical blanking is specified in terms of row readout times. The actual imager timing can be calculated using the equations given in Table 2 on page 11. Reg0x05 controls the horizontal blanking time in a row. The value is specified in terms of pixel clocks. Default value of 0x008E for Reg0x05 results in a horizontal blanking time of 511 pixel clocks. The minimum value for Reg0x05 is 21. Thus, the minimum horizontal blanking time is 390 pixel clocks. Reg0x06 controls the vertical blanking time in a row. The value is specified in terms of the number of rows. Default value of 0x0019 for Reg0x06 results in a vertical blanking time of 26-row time.

Frame Time
Reg0x03, Reg0x04, Reg0x05, and Reg0x06 Total frame time in terms of pixel clocks can be obtained using the formula given in Table 2 on page 11. The user can change the number of columns and rows read out, horizontal blanking and vertical blanking times to obtain different frame rates.

High Frame Rate Readout Modes
Reg0x01, Reg0x02, Reg0x03, Reg0x04, Reg0x05, and Reg0x06 In addition to having the flexibility to read out smaller standard formats, the sensor gives the user the option of reading out nonstandard formats. This is particularly useful if the user needs to zoom in on a particular segment of the image to perform high-speed mathematical calculations (e.g., high-speed viewfinder or auto focus applications). In applications such as the auto focus mode, the user may need more horizontal resolution than vertical. Thus, the user can window down to the mid-section of the imager array by programming Reg0x01 and Reg0x03 to change the row start address and the window height. Figure 10 is an example of how the user may want to window down to 2,048H x 512V from the default of 2,048H x 1,536V. See also Table 8 for other auto focus mode resolutions.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description Figure 9: Windowing Capabilities
(32, 20) (1200, 180) B (1327, 307) (568, 356) A

C (1079, 867) D (1007, 479) (2048, 1536) Window A Window B Window C Window D Window Size 2,048 x 1,536 128 x 128 512 x 512 400 x 96 Reg0x01 0x0014 0x00B4 0x0164 0x0390 Reg0x02 0x0020 0x04B0 0x0238 0x0050 Reg0x03 0x05FF 0x007F 0x01FF 0x018F Reg0x04 0x07FF 0x007F 0x01FF 0x005F

(80, 912)

Table 8:
Resolution 2,048 x 512 2,048 x 256 2,048 x 128

Auto Focus Modes
Frame Rate 30 fps 60 fps 120 fps Column_ Size (reg0x04) 2,047 2,047 2,047 Row_ Size (reg 0x03) 1,535 1,535 1,023 Horizontal_B Vertical_Bl lank ank (reg0x05) (reg0x06) 22 22 34 1 0 14 Row (reg 0x22) 2 2 1 Row_ Skip (reg 0x22) 2 5 7 Column_ Bin (reg0x23) 0 0 0 Column_ Skip (reg0x23) 0 0 0

Figure 10: Windowing
2,048 Row Start = 20 (Reg0x01 = 0x0014) Row Start = 356 (Reg0x01 = 0x0164) 1,536 512

The user can change Reg0x05 and Reg0x06 to obtain the desired frame rate. Also, the user may want to perform row skip modes to obtain larger field of view if high-frequency vertical resolution is not critical.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description Pixel Integration Time Control
Reg0x09 and Reg0x0C The integration time of the pixel is the amount of time the pixels are set to collect charge generated from light. The user can change the integration time of the sensor by programming Reg0x09. The value of Reg0x09 sets the number of row time for integration. The sensor also supports sub-row integration time for fine control of pixel integration time. The formula for calculating the pixel integration time is (reference Table 2 on page 11 for P1 description):
t

INT = (65536 x Reg0x08 + Reg0x09) x tROW -Reg0x0C-P1+132

Typically, the value of Reg0x09 is limited to the number of rows per frame (which includes vertical blanking rows), such that the frame rate is not affected by the integration time. However, if Reg0x09 is increased beyond the total number of rows per frame, then additional blanking rows are added as needed. While the user can adjust the integration time to the desired value according to the aforementioned formula, not all integration times may be desired under certain lighting conditions. If the light source has a flicker component, then the integration time needs to be set properly to avoid banding in the image. Under 60Hz flicker, the integration time must be a multiple of 1/120 of a second to avoid flicker. Under 50Hz flicker, the integration time must be a multiple of 1/100 of a second to avoid flicker.

Snapshot Mode and Flash Control
Reg0x1E, STROBE pin and TRIGGER pin Setting up for Snapshot Mode Snapshot mode must be enabled before use by setting bit 8 = “1” of Reg0x1E. There are two important signals used for snapshot mode: TRIGGER and STROBE. The TRIGGER signal initiates the start of a single frame capture and STROBE is an output pulse that may be used to turn on a flash and/or activate a mechanical shutter. Triggering A Snapshot The TRIGGER signal required for starting a frame capture may be generated in the following two ways: 1. External TRIGGER Pulse Pin 8 is a digital input that may be used to supply an external trigger signal input. The snapshot operation begins after the TRIGGER pulse transitions from a HIGH to LOW state. 2. TRIGGER from Register Setting A second method for triggering a snapshot is by setting bit 0 = 1 of Reg0x0B (Restart). This register automatically returns bit 0 to “0” after the TRIGGER is initiated. This bit does not need to be reset by the user after use.

Strobe Pulse Output
The STROBE pulse must be enabled before use by setting Reg0x1E [bit 9] = 1. The STROBE signal has two options for pulse length and may be selected using Reg0x1E [bit 10] as shown in Table 9.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description

Table 9:

STROBE Pulse Output
Reg0x1E, Bit 10 0 1 STROBE Pulse Width 1 row time (default) ((655326 x Reg0x08 + Reg0x09 – R) -16) x tROW - V

After the TRIGGER pulse has signaled a snapshot operation, each row of the imager array is reset in sequence to clear out any accumulated signal. Once each row of the imager is reset, the STROBE pulse is output from the imager with a length dependent upon the characteristics described above. After the STROBE pulse goes low, the imager waits 16 additional rows and then each row from the pixel array is read out. No STROBE is generated unless the shutter width is greater than the output image height plus vertical blanking.

Global Shutter Release Snapshot Mode
Reg0x1E and Reg0x21 In addition to the standard snapshot mode, the MT9T001 has a global shutter release mode which may be combined with a mechanical shutter to achieve simultaneous exposure of all rows in the image. Two global shutter modes are available: programmed exposure and bulb mode. In programmed exposure mode, the exposure time is dictated by {Reg0x08, Reg0x09} (Shutter Width). In bulb mode, the TRIGGER and GSHT_CTL pins are used to achieve an arbitrary exposure time. Programmed Exposure Mode To use programmed exposure mode: 1. Set up snapshot mode as normal (including any STROBE preferences). 2. Set Reg0x21 (Read Mode 3) to 0x0003. 3. Assert (transition LOW to HIGH) the GSHT_CTL pin to reset the array. This pin must remain HIGH for 18820 PIXCLKs. 4. Negate (transition HIGH to LOW) the GSHT_CTL pin to begin the exposure. The exposure starts 1000 PIXCLKs after the falling edge of GSHT_CTL. Note: Unlike normal snapshot mode, Reg0x0B (Restart) may not be used to initiate the exposure in global shutter modes. 5. Row readout begins automatically. The mechanical shutter should be closed before row read out begins. The trailing edge of STROBE (if enabled) occurs ((65536 x Reg0x08 + Reg0x09) x tROW + 2000) PIXCLKs after the falling edge of GSHT_CTL. Readout of the active window starts the lesser of 16 x tROW or (Reg0x06 + 1) x tROW later. Bulb Mode To use bulb mode: 1. 2. 3. 4. Set up snapshot mode as normal (including any STROBE preferences). Set Reg0x21 (Read Mode 3) to 0x0001. Assert (transition LOW to HIGH) the GSHT_CTL pin. Assert (transition LOW to HIGH) the TRIGGER pin to reset the array. This pin must remain HIGH for at least 18,820 PIXCLKs. 5. Negate (transition HIGH to LOW) the GSHT_CTL pin to begin the exposure. The exposure starts 1,000 PIXCLKs after the falling edge of GSHT_CTL.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description
Note: Unlike normal snapshot mode, Reg0x0B (Restart) may not be used to initiate the exposure in global shutter modes. 6. Negate (transition HIGH to LOW) the TRIGGER pin to begin row read out. The mechanical shutter should be closed before row read out begins. The trailing edge of STROBE (if enabled) occurs ((65536 x Reg0x08 + Reg0x09) x tROW ) PIXCLKs after the falling edge of TRIGGER. Read out of the active window starts the lesser of 16 x tROW or (Reg0x06 + 1) x tROW later. In this mode, the shutter width (Reg0x08, Reg0x09) would normally be set to a low number, allowing row readout to start immediately after the trailing edge of TRIGGER.

Skip and Bin Modes
Row and column skip modes use subsampling to reduce the output resolution without reducing field-of-view. The MT9T001 also has row and column binning modes, which can reduce the impact of aliasing introduced by the use of skip modes. This is achieved by the averaging of two or three adjacent rows and columns (adjacent same-color pixels). Both 2x and 3x binning modes are supported. Rows and columns can be binned independently.

Table 10: Bin and Skip Mode Resolution
Resolution 1,024 x 768 XGA 800 x 600 SVGA 640 x 480 VGA Frame Rate 34 fps 50 fps 48 fps Column_ Size (reg0x04) 2,047 1,599 1,919 Note: Row_ Size (reg 0x03) 1,535 1,199 1,439 Horizontal_ Blank (reg0x05) 22 22 21 Vertical_ Blank (reg0x06) 40 30 31 Row_ Bin (reg 0x22) 1 1 2 Row_ Skip (reg 0x22) 1 1 2 Column_ Bin (reg0x23) 1 1 2 Column_ Skip (reg0x23) 1 1 2

Column start address value must be a multiple of Reg0x23 [5–4] + 1.

To use binning mode, set Reg0x22[5–4] (row bin) or Reg0x23[5–4] (column bin) to the desired reduction minus 1, as would be done for skip mode. Additionally, Reg0x22[2–0] (column skip) must be set no less than Reg0x22[5–4], and Reg0x23[2–0] (row skip) must be set no less than Reg0x23[5–4]. Row and column skip modes may be set higher than the corresponding binning modes to achieve greater reductions, but binning must be done. The different skip modes supported are between 2x and 8x in both column and row directions. The different binning modes supported are 2x and 3x. See Table 11 for register bits controlling the different bin and skip modes.

Table 11: Skip and Bin Modes
Register Bit Reg0x23 Bit[2–0] Skip/Bin Modes No column skip Column skip 2x Column skip 3x Column skip 4x Column skip 8x Column Bin 2x Column Bin 3x Readouts col0, col1, col2, col3, col4, col5, etc. col0, col1, col4, col5, col8, col9, etc. col0, col1, col16, col7, col12, col13 etc. col0, col1, col8, col9, col16, col17, etc. col0, col1, col16, col17, col32, col33, etc. Binning of 2 adjacent same-color pixels in a 4x4 window Binning of 3 pixel of each color plane in a 6x6 window

Bit[5–4]

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description Table 11: Skip and Bin Modes (continued)
Register Bit Reg0x22 Bit[2–0] Skip/Bin Modes No row skip Row skip 2x Row skip 3x Row skip 4x Row skip 8x Row bin 2x Row bin 3x Note: Readouts row0, row1, row2, row3, row4, row5, etc. row0, row1, row4, row5, row8, row9, etc. row0, row1, row6, row7, row12, row13, etc. row0, row1, row8, row9, row16, row17, etc. row0, row1, row16, row17, row32, row33, etc. Binning of 2 pixel of each color plane in a 4x4 window Binning of 3 pixel of each color plane in a 6x6 window

Bit[5–4]

Column and row skip modes 1x through 8x are available on the MT9T001. Also, the read outs shown assume column start and row start addresses are both “0”.

Figure 11: Column Skip 2x; Row Skip 2X Enabled
Pixel (Reg0x01, Reg0x02) R G R G ... R G R G R G G B G B G B G B G B R G R G R G R G R G G B G B G B G B G B R G R G R G R G R G . . . G B G B G B G B G B R G R G R G R G R G G B G B G B G B G B R G R G R G R G R G G B G B G B G B G B

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description Figure 12: Column Skip 3x; Row Skip 3X Enabled
Pixel (Reg0x01, Reg0x02)
R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description Figure 13: Column Skip 4x; Row Skip 4X Enabled
Pixel (Reg0x01, Reg0x02)

R G R G R G R G R ... G R G R G R G R G

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G . . .

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G

G B G B G B G B G B G B G B G B G B

R G R G R G R G R G R G R G R G R G

G B G B G B G B G B G B G B G B G B

Figure 14: Column Skip 8x; Row Skip 8X Enabled
Pixel (Reg0x01, Reg0x02) R G R G R G R G ... R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G . . . G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B R G R G R G R G R G R G R G R G R G G B G B G B G B G B G B G B G B G B

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description Figure 15: Bin 2-to-1: 2,048H x 1,536V (QXGA) to 1,024H x 768V (XGA)
Gr B Gr B R Gb R Gb Gr B Gr B R Gb R Gb Grs Bs Rs Gbs

Note:

Grs = binning of 4 Gr[s] in a 4 x 4 window; Gbs = binning of 4 Gb[s] in a 4 x 4 window. Rs = binning of 4 R[s] in a 4 x 4 window; B[s] = binning of 4 B[s] in a 4 x 4 window.

Figure 16: Bin 3-to-1: 2,048H x 1,536V (QXGA) to 640H x 480V (VGA)
Gr B Gr B Gr B R Gb R Gb R Gb Gr B Gr B Gr B R Gb R Gb R Gb Gr B Gr B Gr B R Gb R Gb R Gb Grs Bs Rs Gbs

Note:

Grs = binning of 9 Gr[s] in a 6 x 6 window; Gbs = binning of 9 Gb[s] in a 6 x 6 window. Rs = binning of 9 R[s] in a 6 x 6 window; Bs = binning of B[s] in a 6 x 6 window.

Smaller Format Resolution
Reg0x01, Reg0x02, Reg0x03, Reg0x04, Reg0x05, Reg0x06, Reg0x22, and Reg0x23 With the aforementioned flexible windowing capability of the sensor, the user is able to read out different resolution formats from default of QXGA to UXGA, SXGA, XGA, SVGA, VGA, CIF, QVGA, QCIF, etc. Below are some examples of programmable register settings to obtain the estimated frame rates for the desired formats. The user can change the values of Reg0x05 and Reg0x06 to obtain different frame rates. The field of view of the image is reduced since the programmed settings effectively reduce the read out window to the specified settings without skipping any rows or columns. If the user only changes the register settings mentioned above without changing the row and column start address, the read out window would start from that coordinate. To read out the center of the image or any portion that is desired, the user would need to program Reg0x01 and Reg0x02, thus performing electronic panning. To maintain the same field of view while reducing the read out resolution, the user would need to perform row and column skip. For example, if the desired read out resolution needs to be XGA (1,024H x 7,68V) instead of QXGA (2,048H x 1,536V). To maintain the same field of view, the user can select column skip 2x and row skip 2x modes. This

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description
effectively reduces the horizontal and vertical resolution by 2x for a factor of 4x reduction in overall number of pixels that are read out. To perform this read out mode, the user would need to set the following: Reg0x03 = 0x05FF Reg0x04 = 0x07FF Reg0x23 Bit[2:0]=1 Reg0x22 Bit[2:0] =1 1,536V rows 2,048H columns Column skip 2x—> 1,024H columns read out Row skip 2x —> 768 rows read out

If the user sets Reg0x03 = 0x02FF (768V rows), Reg0x04 = 0x03FF (1,024H columns), and then enable column skip 2x and row skip 2x, the effective readout resolution is 512H x 384V. Line_Valid Formats Reg0x20 is used to control many aspects of the readout of the sensor. By setting Bit 9 and 10 of Reg0x20 the LINE_VALID signal can get three different output formats. The formats are shown in Figure 17 when reading out four rows and two vertical blanking rows. In the last format the LINE_VALID signal is the XOR between the continuously LINE_VALID signal and the FRAME_VALID signal.

Figure 17: Different LINE_VALID Formats
Default FRAME_VALID LINE_VALID Continuously FRAME_VALID LINE_VALID XOR FRAME_VALID LINE_VALID

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description Signal Path
The MT9T001 sensor analog signal path consists of the pixel array, the column sample and hold (S/H) circuitry, the programmable gain stage, the analog offset correction and the analog-to-digital converter (ADC). The reset and signal voltages from the pixel are sampled onto the column sample and hold circuitry on a row-wise basis. After signal sampling is complete, the differential signal (reset – signal) is transferred to the programmable gain stage. After the gain stage, the differential signal goes through the analog offset correction circuitry. The user can decide if a positive or negative offset or no offset needs to be added to the differential signal. The signal is then sampled onto the sample and hold circuitry of the ADC before being digitized.

Figure 18: Signal Path

Analog Gain (color-wise) Digital Offset (color-wise)

Pixel Voltage

X

+
Analog Offset (color-wise)

10-bit ADC

X
Digital Gain (color-wise)

+

DOUT[9:0]

Black Level Calibration

Gain Settings
Reg0x2B, Reg0x2C, Reg0x2D, Reg0x2E, and Reg0x35 The analog programmable gain stage consists of two stages of gain circuitry that operate in a pipelined manner. The first stage of gain has programmable gain of 1 or 2 while the second stage of gain has programmable gain of 1 to 4 with steps of 0.125 for a maximum analog gain of 8. The gain settings can be independently adjusted for the colors of Green1, Blue, Red, and Green2 and are programmed through Reg0x2B, Reg0x2C, Reg0x2D, and Reg0x2E, respectively. The gain may also be adjusted globally through Reg0x35. The first stage of gain is set by Bit(6), while the second stage gain is set by Bit(5– 0). The gain is individually controllable for each color in the Bayer pattern as follows: Analog Gain < = 8: Gain = (Bit[6] + 1) x (Bit[5:0] x 0.125) Digital Gain = 1 + Bit[14:8]/8 Total Gain = Analog Gain x Digital Gain Since Bit[6] of the gain registers are multiplicative factors for the gain settings, there are alternative ways of achieving certain gains. Some settings offer superior noise performance to others, despite the same overall gain, as shown in Table 12.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Feature Description

Table 12: Gain Increment Settings
Nominal Gain 1 to 4.000 4.25 to 8.00 9.0 to 128.0 Increments 0.125 0.25 1.0 Recommended Settings 0x0008 to 0x0020 0x0051 to 0x0060 0x0160 to 0x7860

Black Level Calibration
Reg0x5D, and Reg0x5F The digitized black level of the MT9T001 sensor potentially varies with temperature or gain setting changes. The MT9T001 sensor allows the user the flexibility of automatic black level calibration or manual black level control.

Manual Black Level Calibration
Reg0x60, Reg0x61, Reg0x62, Reg0x63, and Reg0x64 The programmable analog offset stage corrects for analog offset that might be present in the analog signal. The user would need to program Reg0x62 appropriately to enable the analog offset correction. The analog offset settings can be independently adjusted for the colors of Green1, Green2, Red and Blue and are programmed through Reg0x60, Reg0x61, Reg0x63 and Reg0x64 respectively. Bit[8] of Reg0x60, Reg0x61, Reg0x63 and Reg0x64 (these registers have two’s complement representation) determines the sign of the analog offset. Bit[8] = 1 makes the analog correction negative instead of positive. The lower 8 bits (Bit[7:0]) determine the absolute value of the analog offset to be corrected and Bit[8] determines the sign of the correction. When Bit[8] is “1”, the sign of the correction is negative and vice versa. The analog value of the correction relative to the analog gain stage can be determined from the following formula: Analog offset = Bit[8:0] x 1 LSB The 1 LSB value in the formula is an estimate amount. It deviates from 1 LSB with process variation.

Black Level
Reg0x49 Digital offset is applied such that the average black level of a frame in a resulting image equals the value of this register. This adjustment happens after black level calibration.

Reset
This register is used to reset the sensor registers to their default, power-up state. To reset the MT9T001, first write a “1” into bit 0 of this register to put the MT9T001 in reset mode, then write a “0” into bit 0 to resume operation. Another way to reset the sensor is through the RESET# (pin 10) – by pulling the RESET# signal to 0V. The reset operation is an asynchronous reset and the sensor remains in reset as long as RESET# signal = 0V. In both methods of reset, the sensor register settings returns to their default states.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Serial Bus Description Standby Control and Chip Enable
There are two steps required to put the sensor in standby mode: 1. Through the two-wire serial interface program Reg0x07 Bit[1] = 0. This stops the sensor readout and powers down analog circuitry of the sensor. The sensor stays in standby mode until the user reprograms Reg0x07 Bit[1] = 1. 2. Set STANDBY (pin 7) to HIGH.

Serial Bus Description
Registers are written to and read from the MT9T001 through the two-wire serial interface bus. The MT9T001 is a serial interface slave and is controlled by the serial clock (SCLK), which is driven by the serial interface master. Data is transferred into and out of the MT9T001 through the serial data (SDATA) line. The SDATA line is pulled up to 3.3V offchip by a 1.5KΩ resistor. Either the slave or master device can pull the SDATA line down— the serial interface protocol determines which device is allowed to pull the SDATA line down at any given time.

Protocol
The two-wire serial defines several different transmission codes, as follows: ? ? ? ? ? a start bit the slave device 8-bit address a(n) (no) acknowledge bit an 8-bit message a stop bit

Sequence
A typical read or write sequence begins by the master sending a start bit. After the start bit, the master sends the slave device's 8-bit address. The last bit of the address determines if the request is a read or a write, where a “0” indicates a write and a “1” indicates a read. The slave device acknowledges its address by sending an acknowledge bit back to the master. If the request was a write, the master then transfers the 8-bit register address to which a write should take place. The slave sends an acknowledge bit to indicate that the register address has been received. The master then transfers the data eight bits at a time, with the slave sending an acknowledge bit after each eight bits. The MT9T001 uses 16-bit data for its internal registers, thus requiring two 8-bit transfers to write to one register. After 16 bits are transferred, the register address is automatically incremented, so that the next 16 bits are written to the next register address. The master stops writing by sending a start or stop bit. A typical read sequence is executed as follows. First the master sends the write-mode slave address and 8-bit register address, just as in the write request. The master then sends a start bit and the read-mode slave address. The master then clocks out the register data eight bits at a time. The master sends an acknowledge bit after each 8-bit transfer. The register address is auto-incremented after every 16 bits is transferred. The data transfer is stopped when the master sends a no-acknowledge bit.

Bus Idle State
The bus is idle when both the data and clock lines are HIGH. Control of the bus is initiated with a start bit, and the bus is released with a stop bit. Only the master can generate the start and stop bits.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Serial Bus Description Start Bit
The start bit is defined as a HIGH-to-LOW transition of the data line while the clock line is HIGH.

Stop Bit
The stop bit is defined as a LOW-to-HIGH transition of the data line while the clock line is HIGH.

Slave Address
The eight-bit address of a two-wire serial interface device consists of seven bits of address and 1 bit of direction. A “0” (0xBA) in the LSB (least significant bit) of the address indicates write mode, and a “1” (0xBB) indicates read mode.

Data Bit Transfer
One data bit is transferred during each clock pulse. The serial interface clock pulse is provided by the master. The data must be stable during the HIGH period of the two-wire serial interface clock—it can only change when the serial clock is LOW. Data is transferred eight bits at a time, followed by an acknowledge bit.

Acknowledge Bit
The master generates the acknowledge clock pulse. The transmitter (which is the master when writing, or the slave when reading) releases the data line, and the receiver indicates an acknowledge bit by pulling the data line LOW during the acknowledge clock pulse.

No-Acknowledge Bit
The no-acknowledge bit is generated when the data line is not pulled down by the receiver during the acknowledge clock pulse. A no-acknowledge bit is used to terminate a read sequence.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Two-Wire Serial Interface Sample Write and Read Sequences

Two-Wire Serial Interface Sample Write and Read Sequences
16-Bit Write Sequence
A typical write sequence for writing 16 bits to a register is shown in Figure 19. A start bit given by the master, followed by the write address, starts the sequence. The image sensor then gives an acknowledge bit and expects the register address to come first, followed by the 16-bit data. After each eight-bit transfer, the image sensor gives an acknowledge bit. All 16 bits must be written before the register is updated. After 16 bits are transferred, the register address is automatically incremented so that the next 16 bits are written to the next register. The master stops writing by sending a start or stop bit.

Figure 19: Timing Diagram Showing a Write to Reg0x09 with the Value 0x0284
SCLK

SDATA 0xBA ADDR START ACK Reg0x09 ACK 0000 0010 ACK 1000 0100 ACK

STOP

16-Bit Read Sequence
A typical read sequence is shown in Figure 20. First the master has to write the register address, as in a write sequence. Then a start bit and the read address specifies that a read is about to happen from the register. The master then clocks out the register data eight bits at a time. The master sends an acknowledge bit after each eight-bit transfer. The register address should be incremented after every 16 bits is transferred. The data transfer is stopped when the master sends a no-acknowledge bit.

Figure 20: Timing Diagram Showing a Read from Reg0x09; Returned Value 0x0284
SCLK

SDATA 0xBA ADDR START ACK Reg0x09 ACK START 0xBB ADDR ACK 0000 0010 ACK 1000 0100 NACK

STOP

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Electrical Specifications

Electrical Specifications
Data Output and Propagation Delays
By default, the MT9T001 launches pixel data, FRAME_VALID and LINE_VALID with the rising edge of PIXCLK. The expectation is that the user captures DOUT[9:0], FRAME_VALID and LINE_VALID using the rising edge of PIXCLK.

Figure 21: Data Output Timing Diagram
tCLKIN tR tF

CLK

tCP

PIXCLK
T tPD

DOUT 0-DOUT9

XXX

P0

XXX

P1

XXX

P2

XXX

XXX

PN

XXX
tPFL tPLL

Frame Valid/ Line Valid

Note: Frame_Valid leads Line_Valid as described in Figure 8 and Table 3.

tPFH tPLH

Note: Frame_Valid trails Line_Valid as described in Figure 8 and Table 3.

Table 13: DC Electrical Characteristics
(DC Setup Conditions: fCLKIN = 48 MHz, VDD = 3.3V, VAA = 3.3V, VAAPIX = 3.3V, TA = 25°C) Symbol VDD VAA VAAPIX VIH VIL IIN VOH VOL IOH IOL IOZ IDD IAA IAAPIX ISTDBYD ISTDBYA ISTDBYDA Definition Core digital voltage Analog voltage Pixel supply voltage Input high voltage Input low voltage Input leakage current Output high voltage Output low voltage Output high current Output low current Tri-state output leakage current Digital operating current Analog operating current Pixel supply current Digital standby current Analog standby current Pixel standby current Condition Min 3 3 3 1.70 No Pull-up Resistor; VIN = VDD or DGND At specified IOH At specified IOL At specified VOH At specified VOL 0 lux, 48 MHz 0 lux, 48 MHz 0 lux, 48 MHz Input clock disabled, 0 lux Input clock disabled, 0 lux Input clock disabled, 0 lux –5 3.3 0 Typ 3.3 3.3 3.3 Max 3.6 3.6 3.6 1.45 5 Units V V V V V ?A V V mA mA ?A mA mA mA ?A ?A ?A

20 45.0 4.0 0.2 0.2 0.1

0.3 11.5 12.5 5 23.0 54.0 5.0 2.0 2.0 1.0

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Electrical Specifications
.

Table 14: AC Electrical Characteristics
(AC Setup Conditions: fCLKIN = 48 MHz, VDD = 3.3V, VAA = 3.3V, VAAPIX = 3.3V, VDDPLL, TA = 25°C)) Symbol
f t CLKIN CLKIN

Definition Input clock frequency Input clock period PIXCLK period Input clock rise time Input clock fall time Clock duty cycle CLKIN to PIXCLK propagation delay PIXCLK to data valid PIXCLK to FRAME_VALID HIGH PIXCLK to LINE_VALID HIGH PIXCLK to FRAME_VALID LOW PIXCLK to LINE_VALID LOW Load capacitance

Condition

Min 1 1000 1000

Typ

Max 48 20.8 20.8

Unit MHz ns ns V/ns V/ns % ns ns ns ns ns ns pF

T
t t R F

4 4 45 5 Default Default Default Default 55 2 2 2 2 2 2 30

t

CP

tPD tPFH tPLH tPFL tPLL

CLOAD

Table 15: Absolute Maximum Ratings
Rating Symbol TOP TST1 Note:
1Stresses

Parameter Operating temperature Storage temperature

Min 0 –40

Max 60 125

Unit °C °C

greater than those listed may cause permanent damage to the device. This is a stress rating only, and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Electrical Specifications Two-Wire Serial Bus Timing
The two-wire serial bus operation requires certain minimum master clock cycles between transitions. These are specified in the following diagrams in master clock cycles.

Figure 22: Serial Host Interface Start Condition Timing
5 SCLK 4

SDATA

Figure 23: Serial Host Interface Stop Condition Timing
5 SCLK 4

SDATA

Note:

All timing are in units of master clock cycle.

Figure 24: Serial Host Interface Data Timing for Write
4 SCLK 4

SDATA

Note:

SDATA is driven by an off-chip transmitter.

Figure 25: Serial Host Interface Data Timing for Read
5 SCLK

SDATA

Note:

SDATA is pulled LOW by the sensor, or allowed to be pulled HIGH by a pull-up resistor offchip.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Electrical Specifications Figure 26: Acknowledge Signal Timing After an 8-Bit Write to the Sensor
6 SCLK Sensor pulls down SDATA pin 3

SDATA

Figure 27: Acknowledge Signal Timing After an 8-Bit Read from the Sensor
7 SCLK Sensor tri-states SDATA pin (turns off pull down) 6

SDATA

Note:

After a read, the master receiver must pull down SDATA to acknowledge receipt of data bits. When read sequence is complete, the master must generate a no acknowledge by leaving SDATA to float HIGH. On the following cycle, a start or stop bit may be used.

Figure 28: Quantum Efficiency
Quantum Efficiency
40 35 Blue Green Red

Quantum Efficiency (%)

30 25 20 15 10 5 0 350 400 450 500 550 600 650 700 750 800

Wavelength (nm)

Note:

Diagram not to scale.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Electrical Specifications Figure 29: Image Center Offset
Pixel Array Pixel (0, 0)

0.078mm 0.934mm 7.721mm

Optical Center

Die Center

Dark Pixels

7.802mm

Note:

Diagram not to scale.

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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Electrical Specifications Figure 30: 48-Pin PLCC
D
2.25 FOR REFERENCE ONLY SUBSTRATE: PLASTIC LAMINATE MOLD COMPOUND: EPOXY NOVOLAC LID MATERIAL: BOROSILICATE GLASS 0.55 THICKNESS

SEATING PLANE

A
11.176 47X 0.90 1.90
48 1

13.00 CTR 7.188 ±0.075

1.016 TYP

C B

0.78 FOR REFERENCE ONLY

48X 0.50 6.56 7.11 ±0.05 C L 14.22 ±0.75 5.588 1.016 TYP 0.934 FOR REFERENCE ONLY OPTICAL CENTER C L 1.050 ±0.075 5.588 6.56 7.11 ±0.05 14.22 ±0.75 LEAD FINISH: GOLD PLATING, 0.50 MICRONS MINIMUM THICKNESS 0.500 FOR REFERENCE ONLY 1.200 ±0.075 MAXIMUM ROTATION OF OPTICAL AREA RELATIVE TO PACKAGE EDGES B AND C : 1? MAXIMUM TILT OF OPTICAL AREA RELATIVE TO SEATING PLANE A : 50 MICRONS MAXIMUM TILT OF OPTICAL AREA RELATIVE TO TOP OF COVER GLASS D : 50 MICRONS DIE AND PACKAGE CENTER 13.00 CTR 6.176 ±0.075

11.176

OPTICAL AREA

Note:

All dimensions in millimeters.

?

8000 S. Federal Way, P.O. Box 6, Boise, ID 83707-0006, Tel: 208-368-3900 prodmktg@micron.com www.micron.com Customer Comment Line: 800-932-4992 Micron, the M logo, and the Micron logo are trademarks of Micron Technology, Inc. All other trademarks are the property of their respective owners. This data sheet contains minimum and maximum limits specified over the complete power and temperature range for production devices. Although considered final, these specifications are subject to change, as further product development and data characterization sometimes occur.
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MT9T001 - 1/2-Inch 3-Megapixel Digital Image Sensor Revision History

Revision History
Rev D, 07/2005
? ? ? ? ? ? ? ? ? ? ? ? Remove Preliminary designation Updated Table 1, Key Performance Parameters, on page 1 Updated Table 3, Register List and Default Values, on page 12 Updated Table 4, Reserved Register List and Default Values, on page 13 Updated Table 5, Register Descriptions, on page 15 Updated Table 13, DC Electrical Characteristics, on page 35 Updated Table 14, AC Electrical Characteristics, on page 36 Add Table 15, Absolute Maximum Ratings, on page 36, and NOTE Updated page 33 (text, Figure 21 replaced, Figure 22 deleted) Added Figure 28, Quantum Efficiency, on page 38 Removed Die Placement figure Updated Figure 30, 48-Pin PLCC, on page 40

Rev C, Preliminary 09/2004
? Added Applications ? Updated Image Center Offset, Figure 30

Rev B, Preliminary 03/2004
? Updated Figure 29 ? Added Table 1, Key Performance Parameters, on page 1 ? Updated Tables 2, 4, 5 and 6

Rev A, Verion 1.0, Preliminary 12/2003
? Initial Release of document

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