eeprom.c

利用ATMEGA对EEPROMDE的设计程序

#include <iom64.h>
#include <intrinsics.h>
//定义延时程序
#define F_CPU 1	  //1MHz时钟
#define delay_us(t_nus)	__delay_cycles(t_nus*F_CPU)
#define delay_ms(t_nms) __delay_cycles(t_nms*F_CPU*1000)

void eeprom_write(unsigned int address,unsigned char data)
{
  while(EECR&(1<<EEWE));
  EEAR=address;
  EEDR=data;
  EECR|=(1<<EEMWE);
  EECR|=(1<<EEWE);
}
unsigned char eeprom_read(unsigned int address)
{
  while(EECR&(1<<EEWE));
  EEAR=address;
  EECR|=(1<<EERE);
  return EEDR;
}
	
void main(void)
{
  PORTA=0xFF;
  
}