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HT66F005 датащи(PDF) 30 Page - Holtek Semiconductor Inc |
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HT66F005 датащи(HTML) 30 Page - Holtek Semiconductor Inc |
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30 / 109 page ![]() Rev. 1.30 30 ���i� ��� �01� Rev. 1.30 31 ���i� ��� �01� HT66F005/HT66F006 Cost-Effective A/D Flash MCU with EEPROM HT66F005/HT66F006 Cost-Effective A/D Flash MCU with EEPROM Programming Examples Reading data from the EEPROM – polling method MOV A,EEPROM_ADRES;userdefinedaddress MOV EEA,A MOV A,040H;setupmemorypointerMP1 MOV MP1,A;MP1pointstoEECregister MOV A,01H ;setupBankPointer MOV BP,A SET IAR1.1 ;setRDENbit,enablereadoperations SET IAR1.0 ;startReadCycle-setRDbit BACK: SZ IAR1.0 ;checkforreadcycleend JMP BACK CLR IAR1;disableEEPROMread/write CLR BP MOV A,EED;movereaddatatoregister MOV READ_DATA,A Writing data from the EEPROM – polling method MOV A,EEPROM_ADRES;userdefinedaddress MOV EEA,A MOV A,EEPROM_DATA;userdefineddata MOV EED,A MOV A,040H;setupmemorypointerMP1 MOV MP1,A;MP1pointstoEECregister MOV A,01H ;setupBankPointer MOV BP,A SET IAR1.3;setWRENbit,enablewriteoperations SET IAR1.2 ;startWriteCycle-setWRbit BACK: SZ IAR1.2 ;checkforwritecycleend JMP BACK CLR IAR1;disableEEPROMread/write CLR BP |
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