.


:




:

































 

 

 

 


- 5551




.2.10 - -

32- 16 . 16- . , 22- . . 22- . . , , 16 , 32- .


 

2.3.1 5551 (SN74LS630)

.2.11 5551 (SN74LS630)

D0-D15 - / ;

CB0-CB5 - / ;

S0, S1 - ;

SEF - ;

DEF - .

 

, 6- 16 . , ; , , . , ', , ' . , 6- 16 . . , CBi , .

 

. 2.2

 

'
S0 S1 SEF DEF
Write () Low () Low () Low () Low ()
Read (-) High () Low () Low () Low ()
Read (-) High () High ()
Read (-) Low () High () -

 

. 2.3

 

16-
                               
  CB0                  
  CB1                  
  CB2                  
  CB3                  
  CB4                  
  CB5                  

 

. 2.4

 

16- 6- SEF DEF
    Low () Low ()
    High () Low ()
    High () Low ()
    High () High ()
    High () High ()
    High () High ()

 

. 2.5

 

CB0 CB1 CB2 CB3 CB4 CB5
D0 Low () Low () High () Low () High () High ()
D1 Low () High () Low () Low () High () High ()
D2 High () Low () Low () Low () High () High ()
D3 Low () Low () High () High () Low () High ()
D4 Low () High () Low () High () Low () High ()
D5 High () Low () Low () High () Low () High ()
D6 High () Low () High () Low () Low () High ()
D7 High () High () Low () Low () Low () High ()
D8 Low () Low () High () High () High () Low ()
D9 Low () High () Low () High () High () Low ()
D10 Low () High () High () Low () High () Low ()
D11 High () Low () High () Low () High () Low ()
D12 High () High () Low () Low () High () Low ()
D13 Low () High () High () High () Low () Low ()
D14 High () Low () High () High () Low () Low ()
D15 High () High () Low () High () Low () Low ()
CB0 Low () High () High () High () High () High ()
CB1 High () Low () High () High () High () High ()
CB2 High () High () Low () High () High () High ()
CB3 High () High () High () Low () High () High ()
CB4 High () High () High () High () Low () High ()
CB5 High () High () High () High () High () Low ()
High () High () High () High () High () High ()

 


 





:


: 2016-03-26; !; : 364 |


:

:

, .
==> ...

1686 - | 1500 -


© 2015-2024 lektsii.org - -

: 0.014 .