System_Time_Nanoseconds_Update

Update system time
Module Instance Base Address Register Address
emac0 0xFF700000 0xFF700714
emac1 0xFF702000 0xFF702714

Offset: 0x714

Access: RW

Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

addsub

RW 0x0

tsss

RW 0x0

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

tsss

RW 0x0

System_Time_Nanoseconds_Update Fields

Bit Name Description Access Reset
31 addsub

When this bit is set, the time value is subtracted with the contents of the update register. When this bit is reset, the time value is added with the contents of the update register.

Value Description
0x0 Add Time Value from update reg
0x1 Subtract Time Value of update reg
RW 0x0
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 programmed value should not exceed 0x3B9A_C9FF.

RW 0x0