34.5.2 Status B
| Name: | STATUSB |
| Offset: | 0x01 |
| Reset: | 0x00 |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PESIG[2:0] | |||||||||
| Access | R | R | R | ||||||
| Reset | 0 | 0 | 0 | ||||||
Bits 2:0 – PESIG[2:0] UPDI Error Signature
These bits describe the UPDI Error Signature and are set when an internal UPDI error condition occurs. The PESIG field is cleared on a read from the debugger.
| PESIG[2:0] | Error Type | Error Description |
|---|---|---|
| 0x0 | No error | No error detected (Default) |
| 0x1 | Parity error | Wrong sampling of the parity bit |
| 0x2 | Frame error | Wrong sampling of frame Stop bits |
| 0x3 | Access Layer Time-out Error | UPDI can get no data or response from the Access layer. Examples of error cases are system domain in Sleep or system domain Reset. |
| 0x4 | Clock Recovery error | Wrong sampling of frame Start bit |
| 0x5 | - | Reserved |
| 0x6 | Reserved | Reserved |
| 0x7 | Contention error | Signalize Driving Contention on the UPDI RXD/TXD line |