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VS6724 Scheda tecnica(PDF) 22 Page - STMicroelectronics |
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VS6724 Scheda tecnica(HTML) 22 Page - STMicroelectronics |
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22 / 118 page ![]() Functional description VS6724 22/118 Figure 9. JPEG frame Note: The minimum inter-packet (line) blanking time is 16 clock cycles, and is always a multiple of 16 clock cycles Padding data at the end of the JPEG stream JPEG packet size programmable End of JPEG stream Beginning of JPEG stream(FF D8) JPEG data HSYNC VSYNC Packet dispatching depends on the image content. This results in a variable blanking duration. JPEG packet data PCLK Padding data 0xA5 (Programmable) End of JPEG FF D9 Table 2. JPEG data embedded markers Marker function Name Value Start of image SOF FFD8 Define Quantization tables DQT FFDB State of frame for baseline DCT SOF FFC0 Define Huffman Tables DHT FFC4 Start of Scan SOS FFDA End of image End of image FFD9 |
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