Peripheral AB Select Register
| P0 | Peripheral A Select. |
| P1 | Peripheral A Select. |
| P2 | Peripheral A Select. |
| P3 | Peripheral A Select. |
| P4 | Peripheral A Select. |
| P5 | Peripheral A Select. |
| P6 | Peripheral A Select. |
| P7 | Peripheral A Select. |
| P8 | Peripheral A Select. |
| P9 | Peripheral A Select. |
| P10 | Peripheral A Select. |
| P11 | Peripheral A Select. |
| P12 | Peripheral A Select. |
| P13 | Peripheral A Select. |
| P14 | Peripheral A Select. |
| P15 | Peripheral A Select. |
| P16 | Peripheral A Select. |
| P17 | Peripheral A Select. |
| P18 | Peripheral A Select. |
| P19 | Peripheral A Select. |
| P20 | Peripheral A Select. |
| P21 | Peripheral A Select. |
| P22 | Peripheral A Select. |
| P23 | Peripheral A Select. |
| P24 | Peripheral A Select. |
| P25 | Peripheral A Select. |
| P26 | Peripheral A Select. |
| P27 | Peripheral A Select. |
| P28 | Peripheral A Select. |
| P29 | Peripheral A Select. |
| P30 | Peripheral A Select. |
| P31 | Peripheral A Select. |