37.5.2 Status B

Name: STATUSB
Offset: 0x01
Reset: 0x00
Property: -

Bit 76543210 
      PESIG[2:0] 
Access RRR 
Reset 000 

Bits 2:0 – PESIG[2:0] UPDI Error Signature

This bit field describes the UPDI error signature and is set when an internal UPDI Error condition occurs. The PESIG bit field is cleared on a read from the debugger.

Table 37-8. Valid Error Signatures
PESIG[2:0]Error TypeError Description
0x0No errorNo error detected (default)
0x1Parity errorWrong sampling of the Parity bit
0x2Frame errorWrong sampling of the Stop bits
0x3Access Layer Time-Out Error UPDI can get no data or response from the Access layer
0x4Clock Recovery errorWrong sampling of the Start bit
0x5- Reserved
0x6Bus errorAddress error or access privilege error
0x7Contention errorSignalize Driving Contention on the UPDI pin