Aaeon EMB-A50M Manuale Utente Scaricare il pdf (Pagina 44)

Mini-ITX EMB-A50M

Appendix A Programming the Watchdog Timer A-8

CALL Write_Configuration_Data

RET

Exit_Configuration_Mode ENDP

Check_Chip PROC NEAR

MOV AL,20h

CALL Read_Configuration_Data

CMP AL,87h

JNE Not_Initial

MOV AL,21h

CALL Read_Configuration_Data

CMP AL,81h

JNE Not_Initial

Need_Initial:

STC

RET

Not_Initial:

CLC

RET

Check_Chip ENDP

Read_Configuration_Data PROC NEAR

MOV DX,WORD PTR CS:[Cfg_Port+04h]

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Aaeon EMB-A50M Manuale Utente Pagina 44