     PIC16CE625 (PIC16F84)

     :
C1+18*C2+4576*C3=F/40-89057
C4+18*C5+4576*C6=F/4-89057
C7+18*C8+4576*C9=F/0,4-9460721
0<= C1,C4,C7 <=17
0<= C2,C3,C5,C6,C8,C9 <=255
F     , .

  ,    .   
 fr_const.xls     A1     
,  4000000  4.     
    F...(F+2).      
4000000...4002000.        
 255    ,    
   .
 fr_const.txt       
   4000000...4002000.
