3.5位数据采集程序 采用 5G14433芯片 INTL1: MOV A,P1 JNB ACC.4,INTL1 JB ACC.0,ERR JB ACC.3,L2 MOV 21H,#01H AJMP L3 L2: MOV 21H,#00H L3: MOV A,P1 JNB ACC.5,L3 MOV R0,#22H XCHD A,@R0 L4: MOV A,P1 JNB ACC.6,L4 INC R0 XCHD A,@R0 L5: MOV A,P1 JNB ACC.7,L5 INC R0 XCHD A,@R0 AJMP L6 ERR: MOV 20H,#0FH L6: RETI