HARD WARE   16 BIT ADDRESS SET:

 

A0  A1   A2  A3  A4 A5   A6  A7 A8 A9  A10 A11 A12 A13 A14 A15
1     2 4   8 4 8   2 8 1    2  4  

8        bin code

              f             f              f              f all high  0xffff

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0      all low   0x00

1 1 1 1 0 0 0 0 0 0 1 1 0 1 1

0

hex

ec0f

 

 
 
1 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 hex ec01    
0 1 0 0 0 0 0 0 0 0 1 1 0 1 1 1 hex ec02    
1 1 0 0 0 0 0 0 0 0 1 1 0 1 1 1 hex ec03    
0 0 1 0 0 0 0 0 0 0 1 1 0 1 1 1 hex ec04    
1 0 1 0 0 0 0 0 0 0 1 1 0 1 1 1 hex ec05    
0 1 1 0 0 0 0 0 0 0 1 1 0 1 1 1 hex ec06    
1 1 1 0 0 0 0 0 0 0 1 1 0 1 1 1 hex ec07    
0 0 0 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec08    
1 0 0 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec09    
0 1 0 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec0a    
1 1 0 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec0b    
0 0 1 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec0c    
1 0 1 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec0d    
0 1 1 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec0e    
1 1 1 1 0 0 0 0 0 0 1 1 0 1 1 1 hex ec0f  

hex value   0xffff =  DEC value 65535