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GPIORegisters
Table5-5.VideoPortPinDirectionRegister(PDIR)FieldDescriptions(continued)
Bitfield
(1)
symval
(1)
ValueDescription
12PDIR12OF(value)PDIR12bitcontrolsthedirectionoftheVDATA[15–12]pins.
DEFAULT0Pinsfunctionasinput.
VDATA12TO15IN
VDATA12TO15OUT1Pinsfunctionasoutput.
11-9Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothis
fieldhasnoeffect.
8PDIR8OF(value)PDIR8bitcontrolsthedirectionoftheVDATA[9-8]pins.
DEFAULT0Pinsfunctionasinput.
VDATA8TO9IN
VDATA8TO9OUTPinsfunctionasoutput.
7-5Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothis
fieldhasnoeffect.
4PDIR4OF(value)PDIR4bitcontrolsthedirectionoftheVDATA[7-4]pins.
DEFAULT0Pinsfunctionasinput.
VDATA4TO7IN
VDATA4TO7OUT1Pinsfunctionasoutput.
3-1Reserved-0Reserved.Thereservedbitlocationisalwaysreadas0.Avaluewrittentothis
fieldhasnoeffect.
0PDIR0OF(value)PDIR0bitcontrolsthedirectionoftheVDATA[3-2]pins.
DEFAULT0Pinsfunctionasinput.
VDATA0T32IN
VDATA0T32OUT1Pinsfunctionasoutput.
SPRUEM1–May2007General-PurposeI/OOperation157
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