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ATmega128-16AU 데이터시트(PDF) 24 Page - ATMEL Corporation

부품명 ATmega128-16AU
상세설명  8-bit Microcontroller with 128K Bytes In-System Programmable Flash
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega128-16AU 데이터시트(HTML) 24 Page - ATMEL Corporation

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24
2467S–AVR–07/09
ATmega128
The following code examples show one assembly and one C function for writing to the
EEPROM. The examples assume that interrupts are controlled (e.g., by disabling interrupts
globally) so that no interrupts will occur during execution of these functions. The examples also
assume that no flash boot loader is present in the software. If such code is present, the
EEPROM write function must also wait for any ongoing SPM command to finish.
Assembly Code Example
EEPROM_write:
; Wait for completion of previous write
sbic
EECR,EEWE
rjmp
EEPROM_write
; Set up address (r18:r17) in address register
out
EEARH, r18
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 int uiAddress, unsigned char ucData)
{
/* Wait for completion of previous write */
while(EECR & (1<<EEWE))
;
/* Set up address and data registers */
EEAR = uiAddress;
EEDR = ucData;
/* Write logical one to EEMWE */
EECR |= (1<<EEMWE);
/* Start eeprom write by setting EEWE */
EECR |= (1<<EEWE);
}


유사한 부품 번호 - ATmega128-16AU

제조업체부품명데이터시트상세설명
logo
ATMEL Corporation
ATMEGA128-16AU ATMEL-ATMEGA128-16AU Datasheet
317Kb / 31P
   8-bit Microcontroller with 128K Bytes In-System Programmable Flash
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   8-bit Microcontroller with 128K Bytes In-System Programmable Flash
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ATmega128-16AU ATMEL-ATmega128-16AU Datasheet
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   8-bit Microcontroller with 128K Bytes In-System Programmable Flash
Rev. 2467S-AVR-07/09
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   Microcontroller with 128KBytes In-System Programmable Flash
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유사한 설명 - ATmega128-16AU

제조업체부품명데이터시트상세설명
logo
ATMEL Corporation
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