unsigned long int probeg_m; //   (4  )


   DS 1307:

rtc_write(0x0A,probeg_m);  // 0 () 

rtc_write(0x0B,probeg_m>>8);//1 () 

rtc_write(0x0C,probeg_m>>16);//2 () 

                            //3    ,   .  

                            //99 999,.. 999,99



   DS 1307:


probeg_m=rtc_read(0X0C);
probeg_m=probeg_m<<16;   // 2() 


probeg_m=rtc_read(0x0B);
probeg_m=probeg_m<<8;    //  1-() 


probeg_m|=rtc_read(0x0); // 0-() 

  ,      65535     ,

     65535(3- ),   2   ,   0  1 

    ,..