Appendix A – Watchdog Timer Programming
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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
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