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MT9V023 Datasheet(PDF) 17 Page - ON Semiconductor |
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MT9V023 Datasheet(HTML) 17 Page - ON Semiconductor |
17 / 43 page MT9V023 www.onsemi.com 17 Sequential Master Mode In sequential master mode the exposure period is followed by readout. The frame synchronization waveforms for sequential master mode are shown in Figure 15. The frame rate changes as the integration time changes. Figure 15. Sequential Master Mode Synchronization Waveforms LED_OUT DOUT (9:0) LINE_VALID FRAME_VALID Exposure Time xxx xxx xxx Snapshot Mode In snapshot mode the sensor accepts an input trigger signal which initiates exposure, and is immediately followed by readout. Figure 16 shows the interface signals used in snapshot mode. In snapshot mode, the start of the integration period is determined by the externally applied EXPOSURE pulse that is input to the MT9V023. The integration time is preprogrammed at R0x0B or R0xD2 through the two-wire serial interface. After the frame’s integration period is complete the readout process commences and the syncs and data are output. Sensor in snapshot mode can capture a single image or a sequence of images. The frame rate may only be controlled by changing the period of the user supplied EXPOSURE pulse train. The frame synchronization waveforms for snapshot mode are shown in Figure 17. Figure 16. Snapshot Mode Interface Signals CONTROLLER EXPOSURE SYSCLK PIXCLK LINE_VALID FRAME_VALID DOUT(9:0) MT9V023 Figure 17. Snapshot Mode Frame Synchronization Waveforms LED_OUT DOUT(9:0) LINE_VALID FRAME_VALID Exposure Time xxx xxx xxx EXPOSURE |
Similar Part No. - MT9V023_17 |
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Similar Description - MT9V023_17 |
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