gmacgrp_system_time_nanoseconds

         The value in this field has the sub second representation of time, with an accuracy of 0.46 ns. When TSCTRLSSR is set, each bit represents 1 ns and the maximum value is 0x3B9A_C9FF, after which it rolls-over to zero.
      
Module Instance Base Address Register Address
i_emac_emac0 0xFF800000 0xFF80070C
i_emac_emac1 0xFF802000 0xFF80270C
i_emac_emac2 0xFF804000 0xFF80470C

Size: 32

Offset: 0x70C

Access: RO

Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

Reserved

tsss

RO 0x0

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

tsss

RO 0x0

gmacgrp_system_time_nanoseconds Fields

Bit Name Description Access Reset
30:0 tsss
The value in this field has the sub second representation of time, with an accuracy of 0.46 ns. When bit 9 (TSCTRLSSR) is set in Register 448 (Timestamp Control Register), each bit represents 1 ns and the maximum value is 0x3B9A_C9FF, after which it rolls-over to zero.
RO 0x0