Ethernet PTP time stamp control register
| TE | Timestamp enable |
| TFCU | Timestamp fine or coarse update |
| TI | Timestamp initialize |
| TU | Timestamp update |
| TITE | Timestamp interrupt trigger enable |
| ARU | Addend register update |
| ETAF | Enable timestamp for all frames |
| TDBRC | Timestamp digital or binary rollover control |
| EPPV2F | Enable PTP packet processing for version2 format |
| EPPEF | Enable processing of PTP over EMAC frames |
| EPPFSIP6U | Enable processing of PTP frames sent over IPv6-UDP |
| EPPFSIP4U | Enable processing of PTP frames sent over IPv4-UDP |
| ETSFEM | Enable timestamp snapshot for event message |
| ESFMRTM | Enable snapshot for message relevant to master |
| SPPFTS | Select PTP packet for taking snapshot |
| EMAFPFF | Enable MAC address for PTP frame filtering |