4.10. General Purpose Input/Output, GPIO

The PL061 PrimeCell General Purpose Input/Output (GPIO) is an AMBA compliant SoC peripheral that is developed, tested, and licensed by ARM Limited. You may use the GPIO to generate or detect low frequency signals (less than 1MHz).

Table 4.41. GPIO implementation

Location Southbridge
Memory base address
  • GPIO 0: 0x10013000

  • GPIO 1: 0x10014000

  • GPIO 2: 0x10015000

  • GPIO 0: 38

  • GPIO 1: 39

  • GPIO 2: 40

Release versionARM GPIO PL061 r1p0
Reference documentationARM PrimeCell General Purpose Input/Output (PL061) Technical Reference Manual. See also General Purpose Input/Output, GPIO.

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