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STV0676 数据表(PDF) 13 Page - STMicroelectronics |
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STV0676 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 21 page ![]() 13/21 STV0676 STV0676 application example 3 STV0676 application example 3.1 USB webcam Figure 2 shows a block diagram of a basic webcam using the minimum of external components. The camera is controlled entirely through PC drivers over USB. Note: If required a custom USB PID/VID can be configured by the use of an EEPROM, as detailed in Section 2.3 3.2 Embedded camera Figure 3 shows a block diagram of a camera intended for embedded applications, outputting JPEG, YCrCb or RGB preview over an 8bit bus, the third party electronics would control the STV0676 using I2C. Figure 2: Webcam block diagram Figure 3: Embedded camera block diagram CMOS Sensor CIF or VGA lens + IR filter to host PC USB Cable STV0676 EEPROM image array MIcro Processor USB Interface Video Compression Video Processor CMOS Sensor CIF or VGA lens + IR filter STV0676 image array MIcro Processor FIFO Video Compression Video Processor Digiport Third party electronics I2C |
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