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MT9V024 데이터시트(PDF) 15 Page - ON Semiconductor |
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MT9V024 데이터시트(HTML) 15 Page - ON Semiconductor |
15 / 40 page MT9V024/D www.onsemi.com 15 TLED2FV TE2LED TEW TFV2E TVBLANK TE2E FRAME TIME EXPOSURE TIME EXPOSURE LED_OUT FRAME_VALID LINE_VALID Figure 18. Snapshot Mode Frame Synchronization Waveforms Slave Mode In slave mode, the exposure and readout are controlled using the EXPOSURE, STFRM_OUT, and STLN_OUT pins. When the slave mode is enabled, STFRM_OUT and STLN_OUT become input pins. The start and end of integration are controlled by EXPOSURE and STFRM_OUT pulses, respectively. While a STFRM_OUT pulse is used to stop integration, it is also used to enable the readout process. After integration is stopped, the user provides STLN_OUT pulses to trigger row readout. A full row of data is read out with each STLN_OUT pulse. The user must provide enough time between successive STLN_OUT pulses to allow the complete readout of one row. It is also important to provide additional STLN_OUT pulses to allow the sensors to read the vertical blanking rows. It is recommended that the user program the vertical blank register (R0x06) with a value of 4, and achieve additional vertical blanking between frames by delaying the application of the STFRM_OUT pulse. The elapsed time between the rising edge of STLN_OUT and the first valid pixel data is calculated for context A by [horizontal blanking register (R0x05) + 4] clock cycles. For context B, the time is (R0xCD + 4) clock cycles. Additional details on this mode can be found in AND9241/D − Slave Exposure Mode Operation. EXPOSURE TIME tSF2SF tSFW tFV2SF tSF2FV tSF2LED tE2LED tEW TE2SF EXPOSURE STFRM_OUT STLN_OUT FRAME_VALID LINE_VALID LED_OUT Figure 19. Exposure and Readout Timing (Simultaneous Mode) NOTES: 1. No drawn to scale. 2. Frame readout shortened for clarity. 3. Simultaneous progressive scan readout mode shown. 6. |
유사한 부품 번호 - MT9V024_17 |
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유사한 설명 - MT9V024_17 |
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