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CS7808-CM Datasheet(PDF) 43 Page - Cirrus Logic

Part No. CS7808-CM
Description  MULTI PURPOSE AUDIO/VIDEO EMBEDDED PROCESSOR
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS7808-CM Datasheet(HTML) 43 Page - Cirrus Logic

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43
CS7808
6.5
Video Output Interface
This is the interface to a video encoder chip that will send the CS7808 video signals to a TV. See Figure 20.
The output format is either CCIR-601 or CCIR-656. The CS7808 supports both master and slave config-
uration. For CCIR-656 mode, the CS7808 must be the sync master. In this case, the HSYNC and VSYNC
pins can be redefined as GPIOs.
.
Pin
Signal Name
Type
Description
154
CLK27_O
O
27 Mhz Clock Output.
159
HSYNC
B
Horizontal Sync. Output when the CS7808 is the video
master, input when the video encoder is master.
162
VSYNC
B
Vertical Sync. Output when the CS7808 is the video mas-
ter, input when the video encoder is master.
173, 172, 170,
169, 167, 166,
165, 163
VDAT[7..0]
O
Video Data Output[7..0] in Cb,Y,Cr,Y format.
Table 20. Video Output Interface


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