46.5.12 Timestamp
Table 46-13. Register Bit Attribute Legend| Symbol | Description | Symbol | Description | Symbol | Description |
|---|
| R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
| W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
| K | Write to clear | S | Software settable bit | — | — |
| Name: | TIMESTAMP |
| Offset: | 0x224 |
| Reset: | 0x00000000 |
| Property: | R |
The TIMESTAMP register
contains the timestamp of the latest tamper detection (i.e. TimeGray input is sampled each
time one bit is set in the status register). The value is converted from gray to binary format
before being sent to the CPU.
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| | TIMESTAMP[31:24] | |
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| | TIMESTAMP[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 | |
| | TIMESTAMP[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 | |
| | TIMESTAMP[7:0] | |
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bits 31:0 – TIMESTAMP[31:0] Timestamp
Timestamp for the
last tamper.