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VideoPortControlRegisters
Table2-6.VideoPortInterruptStatusRegister(VPIS)FieldDescriptions(continued)
Bitfield
(1)
symval
(1)
ValueDescription
23LFDBOF(value)LongfielddetectedonchannelBinterruptdetectedbit.(Alongfieldisonlydetected
whentheVRSTbitinVCBCTLisclearedto0;whenVRST=1,alongfieldisalways
detected.)
BT.656orY/Ccapturemode-LFDBissetwhenlongfielddetectionisenabledand
VCOUNTisnotresetbeforeVCOUNT=YSTOP+1.
Rawdatamode,orTCIcapturemodeordisplaymode-Notused.
DEFAULT0Nointerruptisdetected.
NONE
CLEAR1Interruptisdetected.Bitiscleared.
22SFDBOF(value)ShortfielddetectedonchannelBinterruptdetectedbit.
BT.656orY/Ccapturemode-SFDBissetwhenshortfielddetectionisenabledand
VCOUNTisresetbeforeVCOUNT=YSTOP.
Rawdatamode,orTCIcapturemodeordisplaymode-Notused.
DEFAULT0Nointerruptisdetected.
NONE
CLEAR1Interruptisdetected.Bitiscleared.
21VINTB2OF(value)ChannelBfield2verticalinterruptdetectedbit.
BT.656orY/Ccapturemode-VINTB2issetwhenaverticalinterruptoccurredinfield
2.
RawdatamodeorTCIcapturemode-Notused.
DEFAULT0Nointerruptisdetected.
NONE
CLEAR1Interruptisdetected.Bitiscleared.
20VINTB1OF(value)ChannelBfield1verticalinterruptdetectedbit.
BT.656orY/Ccapturemode-VINTB1issetwhenaverticalinterruptoccurredinfield
1.
RawdatamodeorTCIcapturemode-Notused.
DEFAULT0Nointerruptisdetected.
NONE
CLEAR1Interruptisdetected.Bitiscleared.
19SERRBOF(value)ChannelBsynchronizationerrorinterruptdetectedbit.
BT.656orY/Ccapturemode-SynchronizationparityerroronchannelB.AnSERRB
typicallyrequiresresettingthechannel(RSTCH)ortheport(VPRST).
RawdatamodeorTCIcapturemode-Notused.
DEFAULT0Nointerruptisdetected.
NONE
CLEAR1Interruptisdetected.Bitiscleared.
18CCMPBOF(value)CapturecompleteonchannelBinterruptdetectedbit.(Dataisnotinmemoryuntilthe
EDMAtransferiscomplete.)
BT.656orY/Ccapturemode-CCMPBissetaftercapturinganentirefieldorframe
(whenF1C,F2C,orFRMCinVCBSTATareset)dependingontheCON,FRAME,
CF1,andCF2controlbitsinVCBCTL.
Rawdatamode-RDFEisnotset,CCMPBissetwhenFRMCinVCBSTATisset
(whenthedatacounter=thecombinedVCYSTOP/VCXSTOPvalue).
TCIcapturemode-CCMPBissetwhenFRMCinVCBSTATisset(whenthedata
counter=thecombinedVCYSTOP/VCXSTOPvalue).
DEFAULT0Nointerruptisdetected.
NONE
CLEAR1Interruptisdetected.Bitiscleared.
SPRUEM1–May2007VideoPort41
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