31.8.94 ETH IEEE 1588 Timer Increment Register

Table 31-109. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: TI
Offset: 0x11DC
Reset: 0x00000000
Property: -

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
 NIT[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 15141312111098 
 ACNS[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 
Bit 76543210 
 CNS[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

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

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

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

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

Bits 7:0 – CNS[7:0] Count Nanoseconds

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