GMAC_TI

GMAC IEEE 1588 Timer Increment Register

  0x1DC 32 - 0x00000000  

GMAC IEEE 1588 Timer Increment Register

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
  NIT[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  
Bit  15 14 13 12 11 10 9 8  
  ACNS[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  
Bit  7 6 5 4 3 2 1 0  
  CNS[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 7:0 – CNS[7:0]: Count Nanoseconds

Count Nanoseconds

A count of nanoseconds by which the IEEE 1588 Timer Nanoseconds Register will be incremented each clock cycle.

Bits 15:8 – ACNS[7:0]: Alternative Count Nanoseconds

Alternative Count Nanoseconds

Alternative count of nanoseconds by which the 1588 Timer Nanoseconds Register will be incremented each clock cycle.

Bits 23:16 – NIT[7:0]: Number of Increments

Number of Increments

The number of increments after which the alternative increment is used.