Texas Instruments TMS320DM648 manual VDATA12TO15IN VDATA12TO15OUT, VDATA8TO9IN VDATA8TO9OUT

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GPIO Registers

Table 5-5. Video Port Pin Direction Register (PDIR) Field Descriptions (continued)

Bit	field (1)	symval (1)	Value	Description
12	PDIR12	OF(value)		PDIR12 bit controls the direction of the VDATA[15–12] pins.
		DEFAULT	0	Pins function as input.
		VDATA12TO15IN
		VDATA12TO15OUT	1	Pins function as output.
11-9	Reserved	-	0	Reserved. The reserved bit location is always read as 0. A value written to this
				field has no effect.
8	PDIR8	OF(value)		PDIR8 bit controls the direction of the VDATA[9-8] pins.
		DEFAULT	0	Pins function as input.
		VDATA8TO9IN
		VDATA8TO9OUT		Pins function as output.
7-5	Reserved	-	0	Reserved. The reserved bit location is always read as 0. A value written to this
				field has no effect.
4	PDIR4	OF(value)		PDIR4 bit controls the direction of the VDATA[7-4] pins.
		DEFAULT	0	Pins function as input.
		VDATA4TO7IN
		VDATA4TO7OUT	1	Pins function as output.
3-1	Reserved	-	0	Reserved. The reserved bit location is always read as 0. A value written to this
				field has no effect.
0	PDIR0	OF(value)		PDIR0 bit controls the direction of the VDATA[3-2] pins.
		DEFAULT	0	Pins function as input.
		VDATA0T32IN
		VDATA0T32OUT	1	Pins function as output.

SPRUEM1 –May 2007	General-Purpose I/O Operation	157
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