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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ATtiny45 Datenblatt(PDF) 19 Page - ATMEL Corporation |
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ATtiny45 Datenblatt(HTML) 19 Page - ATMEL Corporation |
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19 / 196 page  19 7598H–AVR–07/09 ATtiny25/45/85 Assembly Code Example EEPROM_write: ; Wait for completion of previous write sbic EECR,EEPE rjmp EEPROM_write ; Set Programming mode ldi r16, (0<<EEPM1)|(0<<EEPM0) out EECR, r16 ; Set up address (r17) in address register out EEARL, r17 ; Write data (r16) to data register out EEDR,r16 ; Write logical one to EEMWE sbi EECR,EEMWE ; Start eeprom write by setting EEWE sbi EECR,EEWE ret C Code Example void EEPROM_write(unsigned char ucAddress, unsigned char ucData) { /* Wait for completion of previous write */ while(EECR & (1<<EEPE)) ; /* Set Programming mode */ EECR = (0<<EEPM1)|(0>>EEPM0) /* Set up address and data registers */ EEARL = ucAddress; EEDR = ucData; /* Write logical one to EEMWE */ EECR |= (1<<EEMWE); /* Start eeprom write by setting EEWE */ EECR |= (1<<EEWE); } |
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