AAEON EMB-QM67 - Manual (Page 42)

M i n i - I T X E M B - Q M 6 7
Appendix A Programming the Watchdog Timer A-8
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,12h
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]
OUT DX,AL