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MIC-7900 User Manual
Appendix A
P
rogramming
the
W
atchdog
Timer
A.1.3
Example Program
1.
Enable watchdog timer and set 10 sec. as timeout interval
;-----------------------------------------------------------
Mov dx,2eh ; Unlock NCT6106D
Mov al,87h
Out dx,al
Out dx,al
;-----------------------------------------------------------
Mov al,07h ; Select registers of watchdog timer
Out dx,al
Inc dx
Mov al,08h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Enable the function of watchdog timer
Mov al,30h
Out dx,al
Inc dx
Mov al,01h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Set second as counting unit
Mov al,0f0h
Out dx,al
Inc dx
In al,dx
And al,not 08h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Set timeout interval as 10 seconds and start counting
Mov al,0f1h
Out dx,al
Inc dx
Mov al,10
Out dx,al
;-----------------------------------------------------------
Dec dx ; Lock NCT6106D
Mov al,0aah
Out dx,al
2.
Enable watchdog timer and set 5 minutes as timeout interval
;-----------------------------------------------------------
Mov dx,2eh ; Unlock NCT6106D
Mov al,87h
Out dx,al
Out dx,al
Summary of Contents for MIC-7900
Page 1: ...User Manual MIC 7900 Embedded Fan less IPC System 866 412 6278 CoastIPC com...
Page 11: ...Chapter 1 1 General Introduction This chapter gives background information on MIC 7900...
Page 16: ...MIC 7900 User Manual 6...
Page 28: ...MIC 7900 User Manual 18...
Page 29: ...Chapter 3 3 AMI BIOS Setup This chapter introduces how to set BIOS configuration data...
Page 77: ...Chapter 4 4 Software Installation This chapter introduces driver installation...
Page 82: ...MIC 7900 User Manual 72...
Page 83: ...Appendix A A Programming the Watchdog Timer...
