AAEON AEC-6967 - Manual (Page 87)

E m b e d d e d C o n t r o l l e r A E C - 6 9 6 7
Appendix A Programming the Watchdog Timer A-2
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 Value 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(Note2
3)
Enable/Disable
time out output via
WDTRST#
0: Disable
1: Enable