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VideoDisplayRegisters
Table4-7.VideoDisplayControlRegister(VDCTL)FieldDescriptions(continued)
Description
Bitfield
(1)
symval
(1)
ValueBT.656andY/CModeRawDataMode
11DVENOF(value)Defaultvalueenablebit.
DEFAULT0BlankingvalueisoutputduringNotused.
non-sourcedactivepixels.
BLANKING
DV1DefaultvalueisoutputduringNotused.
non-sourcedactivepixels.
10RESMPLOF(value)Chromare-samplingenablebit.
DEFAULT0Notused.
DISABLEChromare-samplingisdisabled.
ENABLE1Chromaishorizontallyre-sampledfromNotused.
4:2:0interspersedto4:2:2co-sitedbefore
output.
9Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothisfield
hasnoeffect.
8SCALEOF(value)Scalingselectbit.
DEFAULT0Noscaling.Notused.
NONE
X212×scaling.Notused.
7CON
(2)
OF(value)Continuousdisplayenablebit.
DEFAULT0Continuousdisplayisdisabled.
DISABLE
ENABLE1Continuousdisplayisenabled.
6FRAME
(2)
OF(value)Displayframebit.
DEFAULT0Donotdisplayframe.
NONE
FRMDIS1Displayframe.
5DF2
(2)
OF(value)Displayfield2bit.
DEFAULT0Donotdisplayfield2.
NONE
FLDDIS1Displayfield2.
4DF1
(2)
OF(value)Displayfield1bit.
DEFAULT0Donotdisplayfield1.
NONE
FLDDIS1Displayfield1.
3Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothisfield
hasnoeffect.
2-0DMODEOF(value)0-7hDisplaymodeselectbit.
DEFAULT0Enables8-bitBT.656mode.
BT656B
RAWB2hEnables8-bitrawdatamode.
YC164hEnables8-bitY/Cmode.
RAW166hEnables16-bitrawdatamode.
(2)
Forcompleteencodingofthesebits,seeTable4-4.
VideoDisplayPort 126SPRUEM1–May2007
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