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.
Diagram
Bits
7 6 5 4 3 2 1 0
R ATXON ATXGD FAULT PWROK SSTATE
W
NONE 1 1 0 0 1 0 11
Fields
Field Function
7
ATXON
Main Power Supply Control Status:
0= Power supply is set to off.
1= Power supply is set to on.
6
ATXGD
Main Power Supply Status:
0= Power supply is off or not yet stable.
1= Power supply is on and stable.
5
-
Reserved.
4
FAULT
Faulted:
0= Power supply system operating normally.
1= Power supply system was shutdown for some reason. Check the ALARM register for details.
3
PWROK
General Power Status:
0= One or more power supplies are off or not yet stable.
1= All power supplies are on and stable.
2
-
Reserved.
1-0
SSTATE
Reports the current power savings level, for those devices which support it.
11= S3 - completely on
Note: If a device does not support hardware (i.e external) power savings modes, S3 is always reported.
NXP Semiconductors
Qixis Programming Model
QorIQ LX2160A Reference Design Board Reference Manual, Rev. 4, 07/2020
Reference Manual 78 / 116
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