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D17133CS Datasheet(PDF) 104 Page - NEC

Part # D17133CS
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  289 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

D17133CS Datasheet(HTML) 104 Page - NEC

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CHAPTER 11
ARITHMETIC AND LOGIC UNIT
89
Set if the operation result is
0000B; reset otherwise.
The status is retained if the
operation result is 0000B;
reset otherwise.
Set if the operation result is
0000B; reset otherwise.
The status is retained if the
operation result is 0000B;
reset otherwise.
Don't care
Don't care
Don't care
Don't care
(Held)
(Held)
(Held)
(Held)
Don't care
Don't care
Don't care
(Held)
(Held)
(Held)
Don't care
Don't care
Don't care
Don't care
(Held)
(Held)
(Held)
(Held)
Don't care
Don't care
Don't care
(Held)
(Held)
(Held)
Table 11-1. List of ALU Instructions (2/2)
ALU Function
Operational Variance Depending on Program Status Word (PSWORD)
CY flag
Z flag
BCD flag's
value
CMP flag's
value
Operating
action
Modifica-
tion by
IXE=1
The binary
operation result
is stored.
The BCD
operation result
is stored.
The binary
operation result
is not stored.
The BCD
operation result
is not stored.
00
01
10
11
Set if a
carry or
borrow is
generated;
reset
otherwise.
Yes
Arithmetic
Operation
Unchanged
Yes
Is reset
Unchanged
Yes
Unchanged
Yes
Unchanged
Yes
Logical
Operation
Bit
Judgement
Comparison
Judgement
Rotation
General
register
b0's value



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