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VV6410 数据表(PDF) 7 Page - STMicroelectronics |
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VV6410 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 105 page  CMOS Sensor; Customer Datasheet, Rev 3.0, 28 September 2000 VV5410 & VV6410 Commercial in confidence 7/105 cd5410-6410f-3-0.fm 2.3.4 Sensor/Co-processor Interface Options There are 3 main ways of interfacing to the VV5410/VV6410 sensor based on the above signals: 1. The colour co-processor supplies the sensor clock, CLKI, and uses the embedded control sequences to synchronise with the frame and line level timings. Thus the host and sensor are running off derivatives of the same fundamental clock. To allow the co-processor to determine the best sampling position of the video data, during its power-up sequence the sensor outputs a 101010... sequence on each of its data bus lines for the host to lock on to. 2. The colour co-processor supplies the sensor clock, CLKI, and uses a free-running QCK supplied by the sensor to sample the incoming video data stream. The embedded control sequences are used to synchronise the frame and line level timings. 3. The colour co-processor supplies the sensor clock, CLKI, and uses FST, LST and the data only mode for QCK to synchro- nise to the incoming video data. Primarily intended for interfacing to frame grabbers. 2.4 Other Features 2.4.1 Audio Amplifier Pins AIN and AOUTP & AOUTN are the input and outputs respectively for an audio amplifier. 2.4.2 Voltage Regulator The on-chip voltage regulator requires only a few external components to form a fully functional voltage regulator to 3.3V. SDA SCL D[4:0] CLKI 1. VV5410/ VV6410 Sensor Co-processor SDA SCL D[4:0] QCK CLKI 2. VV5410/ VV6410 Sensor Co-processor SDA SCL D[4:0] QCK CLKI 3. VV5410/ VV6410 Sensor Co-processor LST FST |
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