GMAC_TN

GMAC 1588 Timer Nanoseconds Register

  0x1D4 32 - 0x00000000  

GMAC 1588 Timer Nanoseconds Register

Bit  31 30 29 28 27 26 25 24  
      TNS[29:24]  
Access      R/W R/W R/W R/W R/W R/W  
Reset      0 0 0 0 0 0  
Bit  23 22 21 20 19 18 17 16  
  TNS[23:16]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  15 14 13 12 11 10 9 8  
  TNS[15:8]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  TNS[7:0]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  

Bits 29:0 – TNS[29:0]: Timer Count in Nanoseconds

Timer Count in Nanoseconds

This register is writable. It can also be adjusted by writes to the IEEE 1588 Timer Adjust Register. It increments by the value of the IEEE 1588 Timer Increment Register each clock cycle.