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GPIO Registers
Table 5-7. Video Port Pin Data Out Register (PDOUT) Field Descriptions (continued)
Bit
field
(1)
symval
(1)
Value
Description
20
PDOUT20
OF(value)
PDOUT20 bit drives the VCTL1 pin only when the GPIO is configured as output.
When reading data, returns the bit value in PDOUT20, does not return input from pin.
When writing data, writes to PDOUT20 bit.
DEFAULT
0
Pin drives low.
VCTL1LO
VCTL1HI
1
Pin drives high.
19-2
PDOUT[19-2]
OF(value)
PDOUT[19-2] bit drives the corresponding VDATA[19-2] pin only when the GPIO is
configured as output.
When reading data, returns the bit value in PDOUT[n], does not return input from pin.
When writing data, writes to PDOUT[n] bit.
DEFAULT
0
Pin n drives low.
VDATAnLO
VDATAnHI
1
Pin n drives high.
General-Purpose I/O Operation
160
SPRUEM1 – May 2007