37.8.87 GMAC 1588 Timer Adjust Register
| Name: | GMAC_TA |
| Offset: | 0x1D8 |
| Reset: | 0x00000000 |
| Property: | - |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| ADJ | ITDT[29:24] | ||||||||
| Access | W | W | W | W | W | W | W | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| ITDT[23:16] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| ITDT[15:8] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| ITDT[7:0] | |||||||||
| Access | W | W | W | W | W | W | W | W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bit 31 – ADJ Adjust 1588 Timer
Write as '1' to subtract from the 1588 timer. Write as '0' to add to it.
Bits 29:0 – ITDT[29:0] Increment/Decrement
The number of nanoseconds to increment or decrement the IEEE 1588 Timer Nanoseconds Register. If necessary, the IEEE 1588 Seconds Register will be incremented or decremented.