41.8.89 GMAC 1588 Timer Adjust Register
Name: | TA |
Offset: | 0x1D8 |
Reset: | 0x00000000 |
Property: | Write-Only |
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.