[7:6] | Reserved | N/A | |
5 | LPMERR | 0 | This bit is set if a response to the LPM transaction is received with a bit stuff error or a PID error. In this case, suspend does not occur and the state of the device is unknown. |
4 | LPMRES | 0 | This bit is set when the USB controller has been resumed for any reason. This bit is mutually exclusive from RESUME (POWER_REG.bit2). |
3 | LPMNC | 0 | This bit is set when an LPM transaction has been transmitted and has failed to complete. The transaction would have failed either because a timeout is occurred or there are bit errors in the response for three attempts. |
2 | LPMACK | 0 | This bit is set when an LPM transaction is transmitted and the device responds with an ACK. |
1 | LPMNY | 0 | This bit is set when an LPM transaction is transmitted and the device responds with a NYET. |
0 | LPMST | 0 | This bit is set when an LPM transaction is transmitted and the device responds with a STALL. |