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ATMEGA325P Fiches technique(PDF) 26 Page - ATMEL Corporation

No de pièce ATMEGA325P
Description  8-bit Microcontroller with 32K Bytes In-System Programmable Flash
Download  336 Pages
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Fabricant  ATMEL [ATMEL Corporation]
Site Internet  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA325P Fiches technique(HTML) 26 Page - ATMEL Corporation

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26
8023A–AVR–12/06
ATmega325P/3250P
The next code examples show assembly and C functions for reading the EEPROM. The exam-
ples assume that interrupts are controlled so that no interrupts will occur during execution of
these functions.
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);
}


Numéro de pièce similaire - ATMEGA325P_06

FabricantNo de pièceFiches techniqueDescription
logo
ATMEL Corporation
ATMEGA325P ATMEL-ATMEGA325P_07 Datasheet
449Kb / 24P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA325P ATMEL-ATMEGA325P_08 Datasheet
332Kb / 22P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA325P ATMEL-ATMEGA325P_09 Datasheet
503Kb / 25P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
More results

Description similaire - ATMEGA325P_06

FabricantNo de pièceFiches techniqueDescription
logo
ATMEL Corporation
ATMEGA325P ATMEL-ATMEGA325P_08 Datasheet
332Kb / 22P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA329P ATMEL-ATMEGA329P_08 Datasheet
471Kb / 25P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA324PA ATMEL-ATMEGA324PA Datasheet
546Kb / 24P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA32A ATMEL-ATMEGA32A Datasheet
427Kb / 18P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA325P ATMEL-ATMEGA325P Datasheet
346Kb / 25P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA32 ATMEL-ATMEGA32_08 Datasheet
5Mb / 346P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA329P ATMEL-ATMEGA329P_1 Datasheet
5Mb / 385P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA32A ATMEL-ATMEGA32A_09 Datasheet
518Kb / 18P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA328P ATMEL-ATMEGA328P_09 Datasheet
5Mb / 345P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
ATMEGA32A ATMEL-ATMEGA32A_1 Datasheet
6Mb / 352P
   8-bit Microcontroller with 32K Bytes In-System Programmable Flash
More results


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