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Bit
0
1
2
3
4
5:7
Bit
2:0
3
6:4
7
GE Intelligent Platforms – CM6 Hardware Reference Manual, Fourth Edition
Status Register 1 (STAT1)
Address: Base + Offset 3
Size: 8 bit
Name
Write
WDG_INT
-
reserved
-
reserved
-
DEG
-
FAL
-
reserved
-
Watchdog Register (WCR)
Address: Base + Offset 4
Size: 8 bit
Name
Write
WINT[2:0]
Set
Watchdog
Interrupt
time
Reserved
-
WRST[2:0]
Set
Watchdog
Reset time
Reserved
-
Table 12: Status Register 1 (STAT1)
Read
0 – Watchdog Interrupt not active
1 – Watchdog Interrupt active
Clear it with Watchdog Trigger (WTIG)
0 – DEG# not active
1 – cPCI backplane signal DEG# indicates
the internal temperatures of the system are
within 10°C of the thermal shutdown limit.
An active DEG signal asserts the SMI
(System Management Interrupt) to the
CPU.
0 – FAL# not active
1 – cPCI backplane signal FAL# indicates
the system supply has shut off the outputs
due to a problem or the input voltage has
been switched off.
An active FAL signal asserts the SMI to the
CPU.
Always 0
Table 13: Watchdog Register (WCR)
Read
WINT2 WINT1
WINT0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
0
1
Always 0
WRST2 WRST1 WRST0 Time
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
0
1
Always 0
Default
-
1
1
-
-
-
Default
Time
WINT[2:0]:
disabled
001
256ms
512ms
1024ms
2048ms
4096ms
8192ms
16384ms
-
WRST[2:0]
0 ms
: 000
256ms
512ms
1024ms
2048ms
4096ms
8192ms
16384ms
-
Page 49
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