ADC0832转换程序

ADC0832转换程序                

                   CLK     bit P1.6
                   DATA_I  bit P1.4
                   DATA_O  bit P1.5
                   CS      bit P1.2
           org 0000h
           ajmp start
           org 0020h
           
adc0832:                           ;;A/D处理主程序
               CLR   A                           
                    MOV    R7,A                         
                   CLR   CS                         
                   SJMP  adc_wait   ;;判断A/D是否准备好?                    
wait_loop:         JNB   DATA_O,adc_process                 
adc_wait:          SETB  CLK                        
                   NOP                               
                   NOP                               
                   CLR   CLK                         
                   NOP                               
                   NOP                                
                   SJMP  wait_loop                        
adc_process:       CLR   A             ;;A/D处理子程序                       
                    MOV    R6,A                         
pro_loop:          SETB  CLK                         
                   NOP                                
                   NOP                               
                   CLR   CLK                         
                   NOP                                
                   NOP                                
                    MOV    A,R7                         
                   ADD   A,ACC                        
                    MOV    R7,A                         

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