#include <mega16.h>
eeprom unsigned int *point;
void main(void)
{

}

#include <mega16.h>

const  eeprom_const_adr1=0x10;
const  eeprom_const_adr2=0x11;    
eeprom unsigned int   *point;

void main(void)
{
  unsigned int temp;

point=eeprom_const_adr1;
//в eeprom по адресу 0x10 записываем 5
*point=5;

point=eeprom_const_adr2;
temp=0x1234;
//в eeprom по адресу 0x11 записываем 0x1234
*point=temp;
}

#define EERE     0
#define EEWE    1
#define EEMWE  2

//чтение eeprom:
unsigned char readEEPROM (unsigned int addr)
        {
        unsigned char data = 0;
        while (EECR&(1<<EEWE);        
        EEAR = addr;      
        EECR|=1<<EERE;
        EECR&=~(1<<EERE);
        data = EEDR;
        return data;
        }

// запись байта data в EEPROM по заданному адресу
void writeEEPROM (unsigned int addr, unsigned char data)
        {
        while (EECR&(1<<EEWE);
        EEAR = addr;
        EEDR = data;
        EECR|=1<<EEMWE;
        EECR|=1<<EEWE;
        }

eeprom  unsigned int data1 @0x10;
eeprom  unsigned int data2 @0x20;
eeprom unsigned  int *point;
void main(void)
{
point=&data1;
*point=0x1234;
point=&data2;
*point=0x5678;
}

const unsigned char size_array_eeprom   50
eeprom unsigned int mydata[size_array_eeprom];
flash enum type_mydata {AAA,BBB,....,BLA-BLA-BLA}mydata_type;
mydata[AAA]=XXX;
mydata[BLA-BLA-BLA]=xxxx;
и читайте соответсвенно:
unsigned int mydata_aaa;
mydata_aaa=mydata[AAA];