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GPIO Registers
General Purpose I/O Operation5-2 SPRU629
5.1 GPIO Registers
The GPIO register set includes required registers such as peripheral identifi-
cation and emulation control. The GPIO registers are listed in Table 5–1. See
the device-specific datasheet for the memory address of these registers.
Table 5–1. Video Port Registers
Acronym Register Name Section
VPPID Video Port Peripheral Identification Register 5.1.1
PCR Video Port Power Management Register 5.1.2
PFUNC Video Port Pin Function Register 5.1.3
PDIR Video Port GPIO Direction Control Register 0 5.1.5
PDIN Video Port GPIO Data Input Register 5.1.6
PDOUT Video Port GPIO Data Output Register 5.1.7
PDSET Video Port GPIO Data Set Register 5.1.8
PDCLR Video Port GPIO Data Clear Register 5.1.8
PIEN Video Port GPIO Interrupt Enable Register 5.1.9
PIPOL Video Port GPIO Interrupt Polarity Register 5.1.10
PISTAT Video Port GPIO Interrupt Status Register 5.1.11
PICLR
Video Port GPIO Interrupt Clear Register 5.1.12