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STC12C2052 Datasheet(PDF) 21 Page - List of Unclassifed Manufacturers

Part No. STC12C2052
Description  STC12C2052AD
Download  71 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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STC12C2052 Datasheet(HTML) 21 Page - List of Unclassifed Manufacturers

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宏晶科技:www.MCU-Memory.com   Mobile:13922805190(姚永平)   Tel:0755-82948409    Fax: 0755-82944243
宏晶科技:专业单片机 / 存储器供应商   www.MCU-Memory.com   STC12C2052AD 系列 1T 8051 单片机中文指南
21
    MOV   A, #00H                    ;连续发送 4 个 00H, 便于观察输出显示
    ACALL Send_Byte
    ACALL Send_Byte
    ACALL Send_Byte
    ACALL Send_Byte
    INC   counter                    ;循环若干次后换通道
    MOV   A, counter
    CLR   C
    SUBB  A, #06H
    JC    main_1
    MOV   counter, #0
    INC   display_AD_channel_ID
    ANL   display_AD_channel_ID, #03H
main_1:
    ACALL set_P1_IO_port             ;P1 口设置为普通 I/O 模式
    ACALL display
    MOV   R2, #10
main_loop2:
    MOV   A, #0A0H                   ;延时
    ACALL delay
    DJNZ  R2, main_loop2
    SJMP  main_loop1
;---------------------------------------------------------------------
get_AD_result_and_send_it:           ;A = A/D 当前通道, 测量电压并发送结果
    ACALL get_AD_result
    ACALL Send_Byte
    MOV   A, #1
    ACALL delay
    RET
;---------------------------------------------------------------------
get_AD_result:
    ANL   ADC_CONTR, #0E0H           ;1110,0000 清 ADC_FLAG, ADC_START 位和低 3 位
    ANL   A, #07H                    ;0000,0111 清 0 高 5 位
    MOV   AD_channel_temp, A         ;暂存当前通道号
    ORL   ADC_CONTR, A               ;设置 A/D 当前通道
    MOV   A, #1                      ;延时, 使输入电压达到稳定
    ACALL delay


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