Watchdog Timer Initial Program - Aaeon PFM-CVS Manual

P C / 1 0 4 M o d u l e
A.1 Watchdog Timer Initial Program
Table 1 : SuperIO relative register table
Default Value
Index 0x2E
(Note1)
Data 0x2F
(Note2)
0x07
Timer Counter
0x07
Counting Unit
0x07
Watchdog Enable
0x07
Timeout Status
0x07
Output Mode
0x07
WDTRST output
Appendix A Programming the Watchdog Timer A-2
Note
SIO MB PnP Mode Index Register
0x2E or 0x4E
SIO MB PnP Mode Data Register
0x2F or 0x4F
Table 2 : Watchdog relative register table
LDN Register
0xF6
(Note3) (Note4)
0xF5
(Note5) (Note6)
0xF5
(Note9) (Note10)
0xF5
(Note13) (Note14)
0xF5
(Note16) (Note17)
0xFA
(Note20) (Note21)
P F M - C V S R e v . B
BitNum Value
(Note24)
3 0
(Note7) (Note8)
5 1
(Note11) (Note12)
6 1
(Note15)
4 1
(Note18) (Note19)
0 1
(Note22) (Note23)
Note
Time of watchdog timer
(0~255)
This register is byte access
Select time unit.
0: second
1: minute
0: Disable
1: Enable
1: Clear timeout status
Select WDTRST# output mode
0: level
1: pulse
Enable/Disable
time out output via WDTRST#
0: Disable
1: Enable