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 |
|---|---|---|
| emac0 | 0xFF700000 | 0xFF70070C |
| emac1 | 0xFF702000 | 0xFF70270C |
Offset: 0x70C
Access: RO
Important: To prevent indeterminate
system behavior, reserved areas of memory must not be accessed by software or
hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
| 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 |
|||||||||||||||
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 |