STM8S103F2 EEPROM read and write-EEWORLD

/************ STM8S103 EEPROM read and write ******/

/*Chip model: STM8S103F2PB6 */

/*Function description: STM8S103 EEPROM read and write */

/*Author: ClimberWin */

/*Written on: 2013.11.24 */

/*Function: STM8S103 EEPROM read and write */

/*Internal crystal oscillator */

/**********************************************/

#include

//Start at address 0x004000

//The first hardware key 0xAE

//Second hardware key 0x56

unsigned char EEPROM_Date;

void main(void)

{

unsigned char *EEPROM_address;

EEPROM_address = (unsigned char *) 0x4000; // Starting address of EEPROM

//First you need to unlock the EEPROM

while(1)

{

FLASH_DUKR = 0xAE; // Write the first key datasheet p44

FLASH_DUKR = 0x56; // Write the second key

if(FLASH_IAPSR_DUL==1)break;

}

//while(FLASH_IAPSR_DUL==0); //p54 DUL 0 write protection enabled, 1 disabled

*EEPROM_address = 0x01; // Write data to the specified address

while(FLASH_IAPSR_EOP==0); //EOP=1 write operation successful

EEPROM_Date= *EEPROM_address; // Read EEPROM data from the specified address

while(1);

}

Keywords：STM8S103F2 Reference address：STM8S103F2 EEPROM read and write

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