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| Home > Controllers and Peripherals > General Purpose Input Output (GPIO) > Functional description > Registers |
The base address of the PrimeCell GPIO’s are:
0x101E4000
0x101E5000
0x101E6000
0x101E7000.
Some locations within the memory range are reserved:
offsets 0x424–0xFCC are
reserved for possible future extensions and test purposes
offsets 0xFDO–0xFDC are
reserved for future ID expansion.