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STC12C0154 Datasheet(PDF) 37 Page - List of Unclassifed Manufacturers

Part # STC12C0154
Description  STC12C2052AD
PDF  71 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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STC12C0154 Datasheet(HTML) 37 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
37
    ACALL IAP_Disable               ;关闭 IAP 功能, 清与 ISP 有关的特殊功能寄存器
    RET
;------------------------------------------------
;字节编程
;调用前需打开 IAP 功能
;入口:DPTR = 字节地址, A= 须编程字节的数据
byte_program:
    MOV   ISP_CONTR, #ENABLE_ISP    ;打开 IAP 功能, 设置 Flash 操作等待时间
    MOV   ISP_CMD, #02H             ;Select Byte Program Mode
    MOV   ISP_ADDRH, DPH            ;Fill page address in ISP_ADDRH & ISP_ADDRL
    MOV   ISP_ADDRL, DPL
    MOV   ISP_DATA, A               ;数据进 ISP_DATA
    CLR   EA
    MOV   ISP_TRIG, #46H            ;Trigger ISP processing
    MOV   ISP_TRIG, #0B9H           ;Trigger ISP processing
    NOP
    SETB  EA
    ACALL IAP_Disable               ;关闭 IAP 功能, 清与 ISP 有关的特殊功能寄存器
    RET
;------------------------------------------------
;擦除扇区, 入口:DPTR = 扇区地址
sector_erase:
    MOV   ISP_CONTR, #ENABLE_ISP    ;打开 IAP 功能, 设置 Flash 操作等待时间
    MOV   ISP_CMD, #03H             ;Select Page Erase Mode
    MOV   ISP_ADDRH, DPH            ;Fill page address in ISP_ADDRH & ISP_ADDRL
    MOV   ISP_ADDRL, DPL
    CLR    EA
    MOV   ISP_TRIG, #46H            ;Trigger ISP processing
    MOV   ISP_TRIG, #0B9H           ;Trigger ISP processing
    NOP
    SETB   EA
    ACALL IAP_Disable               ;关闭 IAP 功能, 清与 ISP 有关的特殊功能寄存器
    RET
;------------------------------------------------
trigger_ISP:
    CLR   EA
    MOV  ISP_TRIG, #46H             ;Trigger ISP processing
    MOV  ISP_TRIG, #0B9H            ;Trigger ISP processing
    NOP



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