Aaeon BOXER-6639 - Watchdog Timer Initial Program

Appendix A – Watchdog Timer Programming 64
Fanless Embedded Box PC BOXER-6639
A.1 Watchdog Timer Initial Program
Table 1 : SuperIO relative register table
Default Value
Note
Index
0x2E
(Note1)
SIO MB PnP Mode Index Register
0x2E or 0x4E
Data
0x2F
(Note2)
SIO MB PnP Mode Data Register
0x2F or 0x4F
Table 2 : Watchdog relative register table
LDN
Register
BitNum
Va lue
Note
Timer
Counter
0x07
(Note3)
0xF6
(Note4) (Note24)
Time of
watchdog
timer
(0~255)
This register is
byte access
Counting
Unit
0x07
(Note5)
0xF5
(Note6)
3
(Note7)
0
(Note8)
Select time
unit.
0: second
1: minute
Watchdog
Enable
0x07
(Note9)
0xF5
(Note10)
5
(Note11)
1
(Note12)
0: Disable
1: Enable
Timeout
Status
0x07
(Note13)
0xF5
(Note14)
6
(Note15)
1
1: Clear
timeout status
Output
Mode
0x07
(Note16)
0xF5
(Note17)
4
(Note18)
1
(Note19)
Select
WDTRST#
output mode
0: level
1: pulse
WDTRST
output
0x07
(Note20)
0xFA
(Note21)
0
(Note22)
1
(Note23)
Enable/Disable
time out
output via
WDTRST#
0: Disable
1: Enable