GPIO alternate function low register
| AFSEL0 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |
| AFSEL1 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |
| AFSEL2 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |
| AFSEL3 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |
| AFSEL4 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |
| AFSEL5 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |
| AFSEL6 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |
| AFSEL7 | [3:0]: Alternate function selection for port x pin y (y = 0…7) These bits are written by software to configure alternate function I/Os AFSELy selection: |