9.3.14.7 LPM_INTR_REG (Host) Bit Definitions

Table 9-121. LPM_INTR_REG (0x40043364) (Host Mode)
Bit NumberNameReset ValueFunction
[7:6]ReservedN/A
5LPMERR0This 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.
4LPMRES0This bit is set when the USB controller has been resumed for any reason. This bit is mutually exclusive from RESUME (POWER_REG.bit2).
3LPMNC0This 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.
2LPMACK0This bit is set when an LPM transaction is transmitted and the device responds with an ACK.
1LPMNY0This bit is set when an LPM transaction is transmitted and the device responds with a NYET.
0LPMST0This bit is set when an LPM transaction is transmitted and the device responds with a STALL.