GMAC_PEFTN

GMAC PTP Peer Event Frame Transmitted Nanoseconds Register

  0x1F4 32 - 0x00000000  

GMAC PTP Peer Event Frame Transmitted Nanoseconds Register

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

Bits 29:0 – RUD[29:0]: Register Update

Register Update

The register is updated with the value that the 1588 Timer Nanoseconds Register holds when the SFD of a PTP transmit peer event crosses the MII interface. An interrupt is issued when the register is updated.