Purpose
- Configure GPIO devices.
- Configure banks and pads.
- Control IO via SIO.
- Only IO_BANK0 (“lo bank”), IO_QPSI (“hi bank”) is not covered, since it’s used for SSI.
- IO_BANK0: pin numbers 0 .. 29
References
- GPIO devices: Datasheet: chapter 2.19, p235
- Banks and pads: Datasheet: chapter 2.19.4, p239
- SIO: Datasheet: chapter 2.3.1.12, p29