Extended pin function setting register 03
| RTO20E | RTO20E output select bit |
| RTO21E | RTO21E output select bit |
| RTO22E | RTO22E output select bit |
| RTO23E | RTO23E output select bit |
| RTO24E | RTO24E output select bit |
| RTO25E | RTO25E output select bit |
| DTTI2C | DTTIX2 function select bit |
| DTTI2S | DTTIX2 input select bit |
| FRCK2S | FRCK2 input select bit |
| IC20S | IC20 input select bit |
| IC21S | IC21 input select bit |
| IC22S | IC22 input select bit |
| IC23S | IC23 input select bit |