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VideoPortControlRegisters
Table2-5.VideoPortInterruptEnableRegister(VPIE)FieldDescriptions(continued)
Bitfield
(1)
symval
(1)
ValueDescription
17COVRBOF(value)CaptureoverrunonchannelBinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
16GPIOOF(value)VideoportgeneralpurposeI/Ointerruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
15Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothisfield
hasnoeffect.
14DCNAOF(value)Displaycompletenotacknowledgedbit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
13DCMPOF(value)Displaycompleteinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
12DUNDOF(value)Displayunder-runinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
11TICKOF(value)Systemtimeclocktickinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
10STCOF(value)Systemtimeclockinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
9-8Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothisfield
hasnoeffect.
7LFDAOF(value)LongfielddetectedonchannelAinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
6SFDAOF(value)ShortfielddetectedonchannelAinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
5VINTA2OF(value)ChannelAfield2verticalinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
4VINTA1OF(value)ChannelAfield1verticalinterruptenablebit.
DEFAULT0Interruptisdisabled.
DISABLE
ENABLE1Interruptisenabled.
SPRUEM1–May2007VideoPort39
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