Transmit Buffer Transmission Occurred Register
| TO0 | Transmission Occurred for Buffer 0 |
| TO1 | Transmission Occurred for Buffer 1 |
| TO2 | Transmission Occurred for Buffer 2 |
| TO3 | Transmission Occurred for Buffer 3 |
| TO4 | Transmission Occurred for Buffer 4 |
| TO5 | Transmission Occurred for Buffer 5 |
| TO6 | Transmission Occurred for Buffer 6 |
| TO7 | Transmission Occurred for Buffer 7 |
| TO8 | Transmission Occurred for Buffer 8 |
| TO9 | Transmission Occurred for Buffer 9 |
| TO10 | Transmission Occurred for Buffer 10 |
| TO11 | Transmission Occurred for Buffer 11 |
| TO12 | Transmission Occurred for Buffer 12 |
| TO13 | Transmission Occurred for Buffer 13 |
| TO14 | Transmission Occurred for Buffer 14 |
| TO15 | Transmission Occurred for Buffer 15 |
| TO16 | Transmission Occurred for Buffer 16 |
| TO17 | Transmission Occurred for Buffer 17 |
| TO18 | Transmission Occurred for Buffer 18 |
| TO19 | Transmission Occurred for Buffer 19 |
| TO20 | Transmission Occurred for Buffer 20 |
| TO21 | Transmission Occurred for Buffer 21 |
| TO22 | Transmission Occurred for Buffer 22 |
| TO23 | Transmission Occurred for Buffer 23 |
| TO24 | Transmission Occurred for Buffer 24 |
| TO25 | Transmission Occurred for Buffer 25 |
| TO26 | Transmission Occurred for Buffer 26 |
| TO27 | Transmission Occurred for Buffer 27 |
| TO28 | Transmission Occurred for Buffer 28 |
| TO29 | Transmission Occurred for Buffer 29 |
| TO30 | Transmission Occurred for Buffer 30 |
| TO31 | Transmission Occurred for Buffer 31 |