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1.4VideoPortPinMapping
VideoPortPinMapping
Thevideoportrequires21externalsignalpinsforfullfunctionality.Pinusageanddirectionchanges
dependontheselectedoperatingmode.Pinfunctionalitydetailforvideocapturemodeislistedin
Table1-1.PinfunctionalitydetailforvideodisplaymodeislistedinTable1-2.Allunusedportsignals
(exceptVCLK1andVCLK1)canbeconfiguredasgeneral-purposeI/O(GPIO)pins.
Table1-1.VideoCaptureSignalMapping
(1)
Usage
BT.656CaptureModeRawDataCaptureMode
SingleY/CCaptureTCICapture
VideoPortSignalI/ODualChannelChannelMode8-Bit16-BitMode
VDATA[9-2]I/OVDIN[9-2]VDIN[9-2]VDIN[9-2]VDIN[9-2]VDIN[9-2]VDIN[9-2]
(In)ChA(In)ChA(In)(Y)(In)ChA(In)(In)
VDATA[19-12]I/OVDIN[19-12]NotUsedVDIN[19-12]VDIN[19-12]VDIN[19-12]NotUsed
(In)ChB(In)(Cb/Cr)(In)ChB(In)
VCLK1IVCLKINA(In)VCLKINA(In)VCLKINA(In)VCLKINA(In)VCLKINA(In)VCLKINA(In)
VCLK1I/OVCLKINB(In)NotUsedNotUsedVCLKINB(In)NotUsedNotUsed
VCTL1I/OCAPENACAPENA/CAPENA/CAPENACAPENACAPENA
(In)AVID/HSYNCAVID/HSYNC(In)(In)(In)
(In)(In)
VCTL2I/OCAPENBVBLNK/VBLNK/CAPENBNotUsedPACSTRT
(In)VSYNC(In)VSYNC(In)(In)(In)
VCTL3I/ONotUsedFIDFIDFID(In)FID(In)PACERR
(In)(In)ChAChA(In)
(1)
Legend:VCLKINA–ChannelAcaptureclock;CAPENA–ChannelAcaptureenable;VCLKINB–ChannelBcaptureclock;
CAPENB–ChannelBcaptureenable;AVID–Activevideo;HSYNC–Horizontalsynchronization;VBLNK–Verticalblanking;
VSYNC–Verticalsynchronization;FID–Fieldidentification;PACSTRT–Packetstart;PACERR–Packeterror
Table1-2.VideoDisplaySignalMapping
Usage
RawDataDisplayMode
BT.656DisplayY/CDisplay
VideoPortSignalI/OModeMode8-Bit16-Bit8-BitDualSync
VDATA[9-2]I/OVDOUT[9-2]VDOUT[9-2]VDOUT[9-2]VDOUT[9-2]VDOUT[9-2]
(Out)(Out)(Y)(Out)(Out)(Out)(ChA)
VDATA[19-12]I/ONotUsedVDOUT[19-12]NotUsedVDOUT[19-12]VDOUT[19-12]
(Out)(Cb/Cr)(Out)(Out)(ChB)
VCLK1IVCLKIN(In)VCLKIN(In)VCLKIN(In)VCLKIN(In)VCLKIN(In)
VCLK1I/OVCLKOUT(Out)VCLKOUT(Out)VCLKOUT(Out)VCLKOUT(Out)VCLKOUT(Out)
VCTL1I/OHSYNC/HBLNK/HSYNC/HBLNK/HSYNC/HBLNK/HSYNC/HBLNK/HSYNC/HBLNK/
AVID/FLD(Out)AVID/FLD(Out)AVID/FLD(Out)AVID/FLD(Out)AVID/FLD(Out)
orHSYNC(In)orHSYNC(In)orHSYNC(In)orHSYNC(In)orHSYNC(In)
VCTL2I/OVSYNC/VBLNK/CVSYNC/VBLNK/CVSYNC/VBLNK/CVSYNC/VBLNK/CVSYNC/VBLNK/C
SYNC/FLD(Out)SYNC/FLD(Out)SYNC/FLD(Out)SYNC/FLD(Out)SYNC/FLD(Out)
orVSYNC(In)orVSYNC(In)orVSYNC(In)orVSYNC(In)orVSYNC(In)
VCTL3I/OCBLNK/FLDCBLNK/FLDCBLNK/FLDCBLNK/FLDCBLNK/FLD
(Out)orFLD(In)(Out)orFLD(In)(Out)orFLD(In)(Out)orFLD(In)(Out)orFLD(In)
Overview26SPRUEM1–May2007
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