Reset Status Register (Rstat); Table 18: Reset Status Register (Rstat) - Kontron CP3005-SA User Manual

4.3.6. Reset Status Register (RSTAT)

The Reset Status Register is used to determine the host's reset source.

Table 18: Reset Status Register (RSTAT)

Address
Bit 7
Name PORS
Access R/W
Reset N/A
Bitfield
7 PORS
2 FPRS
1 CPRS
0 WTRS
The Reset Status Register is set to default values by power-on (cold) reset, not by a warm
reset.
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6 5
Reserved
Description
Power-on reset status:
0 = System reset generated by warm reset
1 = System reset generated by power-on (cold) reset
Writing a '1' to this bit clears it.
Front panel push button reset status (MMEXT05/MMEXT05-CMC02):
0 = System reset not generated by front panel reset
1 = System reset generated by front panel reset
Writing a '1' to this bit clears it.
CompactPCI reset status (PRST signal):
0 = System reset not generated by CompactPCI reset input
1 = System reset generated by CompactPCI reset input
Writing a '1' to this bit clears it.
Watchdog timer reset status:
0 = System reset not generated by Watchdog timer
1 = System reset generated by Watchdog timer
Writing a '1' to this bit clears it.
0x285
4 3
R
0000
CP3005-SA – Rev. 0.6 Preliminary
2 1
FPRS CPRS
R/W R/W
0 0
0
WTRS
R/W
0
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