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VDIN[19−12]
8
Buffer B (2560 bytes)
Capture FIFO B
YSRCB
64
VDIN[9−2]
8
Buffer A (2560 bytes)
Capture FIFO A
YSRCA
64
VideoPortFIFO
For8-bitrawvideo,theFIFOissplitintochannelAandB,asshowninFigure1-3.EachFIFOisclocked
independentlywiththechannelAFIFOreceivingdatafromtheVDIN[9-2]halfofthebusandthechannel
BFIFOreceivingdatafromtheVDIN[19-12]halfofthebus.Eachchannel'sFIFOhasaseparatewrite
pointerandreadregister(YSRCx).TheFIFOconfigurationisidenticalforTCIcapture,butchannelBis
disabled.
Figure1-3.8-BitRawVideoCaptureandTCIVideoCaptureFIFOConfiguration
SPRUEM1–May2007Overview21
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