ARK-2231R User Manual
58
A.1
Watchdog Timer Sample Code
Watchdog function:
;The SCH3114 Runtime base I/O address is A00h
;Setting WatchDog time value location at offset 66h
;If set value "0", it is mean disable WatchDog function.
Superio_GPIO_Port = A00h
mov dx,Superio_GPI 66h
mov al,00h
out dx,al
.model small
.486p
.stack 256
.data
SCH3114_IO EQU A00h
.code
org 100h
.STARTup
;====================================================
;47H
;enable WDT function bit [0]=0Ch
;====================================================
mov dx,SCH3 47h
mov al,0Ch
out dx,al
;====================================================
;65H
;bit [1:0]=Reserved
;bit [6:2]Reserve=00000
;bit [7] WDT time-out Value Units Select
;Minutes=0 (default) Seconds=1
;====================================================
mov dx,SCH3 65h ;
mov al,080h
out dx,al
;====================================================
;66H
;WDT timer time-out value
;bit[7:0]=0~255
;====================================================
mov dx,SCH3 66h
mov al,01h
out dx,al
;====================================================
;bit[0] status bit R/W
;WD timeout occurred =1
;WD timer counting = 0
Summary of Contents for ARK-2231R-S9A1E
Page 1: ...User Manual ARK 2231R S9A1E ARK 2231R Rolling Stock Fanless Computer ...
Page 8: ...ARK 2231R User Manual viii ...
Page 12: ...ARK 2231R User Manual xii ...
Page 18: ...ARK 2231R User Manual 6 Figure 1 2 ARK 2231R S9A1E AMK R100E Dimensions ...
Page 24: ...ARK 2231R User Manual 12 2 Insert the full size WWAN module in the place marked ...
Page 30: ...ARK 2231R User Manual 18 ...
Page 31: ...Chapter 4 4 Pin Assignments This chapter explains Pin Assign ments of ARK 2231R Series ...
Page 38: ...ARK 2231R User Manual 26 ...
Page 39: ...Chapter 5 5 BIOS settings This chapter introduces how to set BIOS configuration data ...
Page 44: ...ARK 2231R User Manual 32 5 2 2 2 Super IO Configuration ...
Page 68: ...ARK 2231R User Manual 56 ...
Page 69: ...Appendix A A WDT Sample Code ...
Page 72: ...ARK 2231R User Manual 60 ...
Page 73: ...Appendix B B Software ...
Page 75: ...63 ARK 2231R User Manual Appendix B Software ...