NXP Semiconductors QorIQ LX2160A - 3.27 Power Status 0 (PWR_MSTAT)

3.26.4 Fields
Field Function
7-4
PPEVENT
Previous Power Event:
This field contains the previous value stored in the PEVENT field.
3-0
PEVENT
Power Event:
The field will contain one of the following codes, indicating the event
which caused the power change:
0000= No history.
0001= Forced power-off (fault, temp, etc).
0010= Automatic power-up (SW_AUTO_ON is set).
0011= POWER switch used to power on.
0110= ATX PSU dropped power (external event).
0111= POWER switch used to power off.
1010= Thermal fault forced power off.
1111= Unknown.
3.27 Power Status 0 (PWR_MSTAT)
3.27.1 Address
Register Offset
PWR_MSTAT 024h
3.27.2 Function
The PWR_MSTAT register monitors the overall power status of the board, including that
of the main (ATX or other) power supply used to power all other rails.
Chapter 3 Qixis Programming Model
QorIQ LX2160A Reference Design Board Reference Manual, Rev. 0, 09/2018
NXP Semiconductors 91