Ite8712 Watchdog Timer Initial Program - Aaeon EMB-830 Manual

Embeddedatx socket 478 based intel pentium 4 with lcd, ethernet, audio,& pcmcia/mini pci

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E m b e d d e d A T X B o a r d

WDT output through KRST (pulse) enable

5-4

Reserved

3-0

Select the interrupt level

WatchDog Timer Time-out Value Register (Index=73h,

Default=00h)

Bit

Description

7-0

WDT Time-out value 7-0

A.3 ITE8712 WatchDog timer initial program

MODEL SMALL

.CODE

Main:

CALL

mov

call

;time setting

mov cl, 10 ; 10 Sec

dec

Watch_Dog_Setting:

;Timer setting

mov al, cl

mov cl, 73h

Appendix A Programming the Watchdog Timer

Enter_Configuration_mode

Check_Chip

cl, 7

Set_Logic_Device

E M B - 8 3 0

for WDT

Note

A-5

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