Aaeon COM-KB, Manual

Page: 64 / 76

C O M E x p r e s s M o d u l e C O M - K B
Appendix A Programming the Watchdog Timer A-2
A.1 Watchdog Timer Initial Program
Table 1 : Embedded BRAM relative register table
Default Value Note
Index 0x284
(Note1)
BRAM Index Register
Data 0x285
(Note2)
BRAM Data Register
Logical Device Number 0xA8
(Note3)
Watch dog Logical Device Number
Function and Device Number 0x00
(Note4)
Watch dog Function/Device Number
Table 2 : Watchdog relative register table
Option Register BitNum Value Note
Timer Counter
0x00
(Note5) (Note10)
Time of watchdog timer
(0~255)
Counting Unit
0x01
(Note6)
0
(Note7)
0
(Note11)
Select time unit.
0: second
1: minute
Watchdog RST pulse width
0x01
(Note8)
[3:2]
(Note9)
0
(Note12)
0: 20ms
1: 60ms
2: 100ms
3: 250ms