| Register | Offset | atsam3x8e |
|---|---|---|
| CR | 0x0000 | ✔ |
| CMR | 0x0004 | ✔ |
| RCMR | 0x0010 | ✔ |
| RFMR | 0x0014 | ✔ |
| TCMR | 0x0018 | ✔ |
| TFMR | 0x001C | ✔ |
| RHR | 0x0020 | ✔ |
| THR | 0x0024 | ✔ |
| RSHR | 0x0030 | ✔ |
| TSHR | 0x0034 | ✔ |
| RC0R | 0x0038 | ✔ |
| RC1R | 0x003C | ✔ |
| SR | 0x0040 | ✔ |
| IER | 0x0044 | ✔ |
| IDR | 0x0048 | ✔ |
| IMR | 0x004C | ✔ |
| WPMR | 0x00E4 | ✔ |
| WPSR | 0x00E8 | ✔ |