The MT9M021/MT9M031 from ON Semiconductor is a 1/3-inch CMOS digital image sensor with an active-pixel array of 1280 (H) × 960 (V). It includes sophisticated camera functions such as auto exposure control, windowing, scaling, row skip mode, and both video and single frame modes. It is designed for low light performance andfeatures a global shutter for accurate capture of moving scenes. It is programmable through a simple two-wire serial interface.

The MT9M021/MT9M031 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  applications, including scanning and HD video.

 ● Optical Format ：1/3-inch (6 mm)

 ● Active Pixels ：1280 (H) × 960 (V) = 1.2 Mp

 ● Pixel Size ：3.75 m

 ● Color Filter Array ：RGB Bayer or Monochrome

 ● Shutter Type ：Global Shutter

 ● Input Clock Range： 6–50 MHz

 ● Output Pixel Clock (Maximum) 74.25 MHz

 ● Output Serial Parallel：HiSPi (iBGA Package Only) 12-bit

 ● Frame Rate ：

    Full Resolution：45 fps

    720p：60 fps

 ● Responsivity

    Monochrome：6.1 V/lux?sec

    Color：5.3 V/lux/sec

 ● SNR MAX： 38 dB

 ● Dynamic Range： 64 dB

 ● Supply Voltage

    I/O：1.8 or 2.8 V

    Digital：1.8 V

    Analog：2.8 V

    HiSPi：0.4 V

 ● Power Consumption： < 400 mW

 ● Operating Temperature (Ambient)： –30°C to + 70°C

 ● Package Options ：

    9 × 9 mm 63-pin iBGA

    10 × 10 mm 48-pin iLCC

 

 ●  Superior Low-light Performance

 ●  HD Video (720p@60fps)

 ●  Global Shutter

 ●  Video/Single Frame Mode

 ●  Flexible Row-skip Modes

 ●  On-chip AE and Statistics Engine

 ●  Parallel and Serial Output

 ●  Support for External LED or Flash

 ●  Auto Black Level Calibration

 ●  Context Switching

 

 ●  Scene Processing

 ●  Scanning and Machine Vision

 ●  720@60fps Video Applications

 

 

 ● The ON Semiconductor MT9M021/MT9M031 can be operated in its default mode or programmed for frame size, exposure, gain, and other parameters. The default mode output is a full-resolution image at 45 frames per second (fps). It outputs 12-bit raw data, using either the parallel or serial (HiSPi) output ports. The device may be operated in video (master) mode or in frame trigger mode. 

 ● FRAME_VALID and LINE_VALID signals are output on dedicated pins, along with a synchronized pixel clock. A dedicated FLASH pin can be programmed to control external LED or flash exposure illumination.

 ● The MT9M021/MT9M031 includes additional features to allow application-specific tuning: windowing, adjustable auto-exposure control, auto black level correction, on-board temperature sensor, and row skip and digital binning modes.

 ● The sensor is designed to operate in a wide temperature range (–30°C to +70°C).

 

 ● The MT9M021/MT9M031 is a progressive-scan sensor that generates a stream of pixel data at a constant frame rate. It uses an on-chip, phase-locked loop (PLL) that can be optionally enabled to generate all internal clocks from a single master input clock running between 6 and 50 MHz. The maximum output pixel rate is 74.25 Mp/s, corresponding to a clock rate of 74.25 MHz. Figure 1 shows a block diagram of the sensor.

 ● User interaction with the sensor is through the two-wire serial bus, which communicates with the array control, analog signal chain, and digital signal chain. The core of the sensor is a 1.2 Mp Active-Pixel Sensor array. The MT9M021/MT9M031 features global shutter technology for accurate capture of moving images. The exposure of the entire array is controlled by programming the integration time by register setting. All rows simultaneously integrate light prior to readout. Once a row has been read, the data from the columns is sequenced through an analog signal chain (providing offset correction and gain), and then through an analog-to-digital converter (ADC). The output from the ADC is a 12-bit value for each pixel in the array. The ADC output passes through a digital processing signal chain (which provides further data path corrections and applies digital gain). The pixel data are output at a rate of up to 74.25 Mp/s, in parallel to frame and line synchronization signals.

 

The MT9M021/MT9M031 Global Sensor shutter has a wide array of features to enhance functionality and to increase versatility. A summary of features follows. Please refer to the MT9M021/MT9M031 Developer Guide for detailed feature descriptions, register settings, and tuning guidelines and recommendations.

 

The MT9M021/MT9M031 works in master (video), trigger (single frame), or Auto Trigger modes. In master mode, the sensor generates the integration and readout timing. In trigger mode, it accepts an external trigger to start exposure, then generates the exposure and readout timing. The exposure time is programmed through the two-wire serial interface for both modes.

NOTE: Trigger mode is not compatible with the HiSPi interface.

 

Configurable window size and blanking times allow a wide range of resolutions and frame rates. Digital binning and skipping modes are supported, as are vertical and horizontal mirror operations.

 

Context switching may be used to rapidly switch between two sets of register values. Refer to the MT9M021/MT9M031 Developer Guide for a complete set of context switchable registers.

 

The MT9M021/MT9M031 Global Shutter sensor can be configured for analog gain of up to 8x, and digital gain of up to 8x.

 ●  Automatic Exposure Control

The integrated automatic exposure control may be used to ensure optimal settings of exposure and gain are computed and updated every other frame. Refer to the MT9M021/MT9M031 Developer Guide for more details.

 

The MT9M021/MT9M031 Global Shutter image sensor supports two or three lanes of Streaming-SP or Packetized-SP protocols of ON Semiconductor's High-Speed Serial Pixel Interface.

 

An on chip PLL provides reference clock flexibility and supports spread spectrum sources for improved EMI performance.

 

The MT9M021/MT9M031 may be reset by a register write, or by a dedicated input pin.

 

The MT9M021/MT9M031 output pins may be tri-stated using a dedicated output enable pin.

 

 

Several test patterns may be enabled for debug purposes. These include a solid color, color bar, fade to grey, and a walking 1s test pattern.

All of the above pictures are taken after matting the online showing, what you see is what you get.

 

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