VS6724 Datasheet, PDF (22/118 Pages) STMicroelectronics – 2 Megapixel single-chip camera module

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