SPRUIU1D July 2020 – December 2024 DRA821U , DRA821U-Q1
This procedure initializes the general-purpose Interface module after a power-on reset (POR) or software reset.
| Step | Register/Bit Field/Programming Model | Value |
|---|---|---|
| Configure GPIO channels as input or output of the corresponding bank | DIR | -h |
| Interrupt requests configuration | ||
Configure detection events | SET_RIS_TRIG and/or SET_FAL_TRIG | -h |
| Clear interrupt status | INTSTAT | FFFFh |
Enable interrupts for desired banks [0:8] | GPIO_BINTEN[8-0] | -h |