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SR, shift register
311
02/16 MN05013001Z EN
Figure 149: Shift register SR..: Backwards operation in DW mode
a
Initial situation:
– SR..EN is not activated, the function block is not active.
– SR..D2 contains the value 8, a 0 is contained in the other
register fields.
b
Transfer of value:
– SR..EN is activated, the function block is active.
– SR..I2 has the value 10.
– With the backwards pulse from SR..BP the register field SR..D8
shifts the content of all register fields one place back and
accepts the 10 from SR..I2.
c
Transfer of value:
– SR..EN is activated, the function block is active.
– SR..I2 has the value 52.
– With the backwards pulse from SR..BP the register field SR..D8
shifts the content of all register fields one place back and
accepts the 52 from SR..I2.
d
Reset of the register:
– SR..EN is activated, the function block is active.
– Activating SR..RE clears the content of the register.
0
0
0
0
0
0
0
0
D1:
D2:
D3:
D4:
D5:
D6:
D7:
D8:
0
0
0
0
0
0
10
52
D1:
D2:
D3:
D4:
D5:
D6:
D7:
D8:
8
0
0
0
0
0
0
10
D1:
D2:
D3:
D4:
D5:
D6:
D7:
D8:
0
8
0
0
0
0
0
0
a
b
c
d
SR...DW
Shift Register
EN
SR...DW
Shift Register
EN
RE
BP
>I2
RE
BP
>I2
D1:
D2:
D3:
D4:
D5:
D6:
D7:
D8:
SR...DW
Shift Register
EN
RE
BP
>I2
SR...DW
Shift Register
EN
RE
BP
>I2
10
1
52
1
1
1
0
8
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