62.103 GMAC 1588 Timer Adjust Register

Name: GMAC_TA
Offset: 0x1D8
Reset: 
Property: Write-only

Bit 3130292827262524 
 ADJ ITDT[29:24] 
Access WWWWWWW 
Reset  
Bit 2322212019181716 
 ITDT[23:16] 
Access WWWWWWWW 
Reset  
Bit 15141312111098 
 ITDT[15:8] 
Access WWWWWWWW 
Reset  
Bit 76543210 
 ITDT[7:0] 
Access WWWWWWWW 
Reset  

Bit 31 – ADJ Adjust 1588 Timer

Write as one to subtract from the 1588 timer. Write as zero to add to it.

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

The number of nanoseconds to increment or decrement the 1588 Timer Nanoseconds Register. If necessary, the 1588 Seconds Register will be incremented or decremented.