unsigned char ReadIIC_24CXX(uint address,uchar ID_A1A0,uchar *p,uchar lenth)
{ 
 unsigned char address_in_page; //page
 unsigned char ddata=0;
 unsigned char i=8;
 
 address_in_page=(unsigned char)(address);

 I2CStart();
// write_8bit(0xa0 | page); //
 write_8bit(ID_A1A0);
 ACK();

 write_8bit(address>  >  8);
 ACK();
 //Èç¹ûÊÇ24C01£­24C16£¬µØַΪһ×Ö½Ú;
 write_8bit(address_in_page);
 ACK(); //ÒÔÉÏÊÇÒ»¸ö¡°ÑÆ¡±Ð´²Ù×÷£¬Ï൱ÓÚÉèÖõ±Ç°µØÖ·

// SCL=1;
// SDA=0;_nop_();
// SDA=1; //STOPÍ£Ö¹Ðźſɼӿɲ»¼Ó

// delay();ÑÓʱ¿É¼Ó¿É²»¼Ó

 I2CStart();
// write_8bit(0xa1); //д´ÓµØÖ·£¬ÖÃΪ¶Áģʽ
 ID_A1A0 = ID_A1A0 + 1;
 write_8bit(ID_A1A0);
 ACK();

 for(;lenth>  0;lenth--)
 {
  while (i--)
  {
   SDA=1;
   ddata  <  <=1;
   SCL=0;_nop_();
   SCL=1;
   if (SDA) ddata|=0x01;
  }
  if(lenth>  1) SendAck();
  *p = ddata;
  p++;
  i = 8;

 }

 SendNotAck();
 I2CStop();

 delay();
 return ddata;
}