Scan Conversion Input Selection Register 0
| AN0 | AN0 analog input selection bit |
| AN1 | AN1 analog input selection bit |
| AN2 | AN2 analog input selection bit |
| AN3 | AN3 analog input selection bit |
| AN4 | AN4 analog input selection bit |
| AN5 | AN5 analog input selection bit |
| AN6 | AN6 analog input selection bit |
| AN7 | AN7 analog input selection bit |