H a l f - s i z e C P U C a r d
H S B - 8 3 5 A
Appendix B Programming the Watchdog Timer
B-7
B.2 W83627HF Watchdog Timer Initial Program
Example: Setting 10 sec. as Watchdog timeout interval
;///////////////////////////////////////////////////////////////////////////////////////////////
Mov dx,2eh
;Enter W83627HF config mode
Mov al,87h
(out 87h to 2eh twice)
Out dx,al
Out dx,al
;///////////////////////////////////////////////////////////////////////////////////////////////
Mov al,07h
Out dx,al
Inc dx
Mov al,08h
;Select Logical Device 8 (GPIO Port
2)
Out dx,al
;///////////////////////////////////////////////////////////////////////////////////////////////
Dec dx
Mov al,30h
;CR30 (GP20~GP27)
Out dx,al
Inc dx
Mov al,01h
;Activate GPIO2
Out dx,al
Summary of Contents for HSB-835A
Page 17: ...Half size CPU Card H S B 8 3 5 A Chapter 2 Quick Installation Guide 2 4 Solder Side...
Page 19: ...Half size CPU Card H S B 8 3 5 A Chapter 2 Quick Installation Guide 2 6 Solder Side...
Page 28: ...Half size CPU card H S B 8 3 5 A Chapter 3 Award BIOS Setup 3 1 Award BIOS Setup Chapter 3...
Page 38: ...Half size CPU Card H S B 8 3 5 A Appendix A I O Information A 1 I O Information Appendix A...
Page 39: ...Half size CPU Card H S B 8 3 5 A Appendix A I O Informaion A 2 A 1 I O Address Map...
Page 40: ...Half size CPU Card H S B 8 3 5 A Appendix A I O Informaion A 3 A 2 1st MB Memory Address Map...
Page 41: ...Half size CPU Card H S B 8 3 5 A Appendix A I O Informaion A 4 A 3 IRQ Mapping Chart...
Page 42: ...Half size CPU Card H S B 8 3 5 A Appendix A I O Informaion A 5 A 4 DMA Channel Assignments...
