GMAC_TA

GMAC 1588 Timer Adjust Register

  0x1D8 32 - 0x00000000  
Parent topic: Register Summary

GMAC 1588 Timer Adjust Register

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  

Bits 29:0 – ITDT[29:0]: Increment/Decrement

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.

Bit 31 – ADJ: Adjust 1588 Timer

Adjust 1588 Timer

Write as '1' to subtract from the 1588 timer. Write as '0' to add to it.