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VideoPortControlRegisters
Table2-2.VideoPortControlRegister(VPCTL)FieldDescriptions(continued)
Bitfield
(1)
symval
(1)
ValueDescription
5VCT2POF(value)VCTL2pinpolaritybit.DoesnotaffectGPIOoperation.
DEFAULT0IndicatestheVCTL2controlsignal(inputoroutput)isactivehigh.
NONE
ACTIVELOW1IndicatestheVCTL2controlsignal(inputoroutput)isactivelow.
4VCT1POF(value)VCTL1pinpolaritybit.DoesnotaffectGPIOoperation.
ACTIVEHIGH0IndicatestheVCTL1controlsignal(inputoroutput)isactivehigh.
NONE
ACTIVELOW1IndicatestheVCTL1controlsignal(inputoroutput)isactivelow.
3Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothisfield
hasnoeffect.
2TCIOF(value)TCIcapturemodeselectbit.
DEFAULT0TCIcapturemodeisdisabled.
NONE
CAPTURE1TCIcapturemodeisenabled.
1DISPOF(value)Displaymodeselectbit.VDATApinsareconfiguredforoutput.VCLK2pinis
configuredasVCLKOUToutput.
DEFAULT0Capturemodeisenabled.
CAPTURE
DISPLAY1Displaymodeisenabled.
0DCHNLOF(value)Dualchanneloperationselectbit.IftheDCDISbitinVPSTATisset,thisbitisforced
to0.
DEFAULT0Single-channeloperationisenabled.
SINGLE
DUAL1Dual-channeloperationisenabled.
Table2-3.VideoPortOperatingModeSelection
VPCTLBit
TCIDISPDCHNLOperatingMode
000Singlechannelvideocapture.BT.656,Y/CorrawmodeasselectedinVCACTL.Video
captureBchannelnotused.
001Dualchannelvideocapture.EitherBT.656orraw8-bitasselectedinVCACTLand
VCBCTL.OptionisavailableonlyifDCDISis0.
01xSinglechannelvideodisplay.BT.656,Y/CorrawmodeasselectedinVDCTL.Video
displayBchannelisonlyusedfordualchannelsyncrawmode.
1xxSinglechannelTCIcapture.
VideoPort 36SPRUEM1–May2007
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