UPD17073 NEC, UPD17073 Datasheet - Page 42
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
UPD17073
Manufacturer Part Number
UPD17073
Description
4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
Manufacturer
NEC
Datasheet
1.UPD17073.pdf
(226 pages)
- Current page: 42 of 226
- Download datasheet (2Mb)
42
ALU function
Comparison
Addition
Subtraction
Logical
operation
Judgment
Transfer
Rotation
ADD
ADDC
SUB
SUBC
OR
AND
XOR
SKT
SKF
SKE
SKNE
SKGE
SKLT
LD
ST
MOV
RORC
Instruction
r, m
m, #n4
r, m
m, #n4
r, m
m, #n4
r, m
m, #n4
r, m
m, #n4
r, m
m, #n4
r, m
m, #n4
m, #n
m, #n
m, #n4
m, #n4
m, #n4
m, #n4
r, m
m, r
m, #n4
@r, m
m, @r
r
Any
(retained)
Any
(retained)
Any
(retained)
Any
(retained)
Any
(retained)
BCD flag
Value of
Table 7-1. ALU Processing Instruction List
0
0
1
1
Any
(retained)
Any
(reset)
Any
(retained)
Any
(retained)
Any
(retained)
CMP flag
Value of
Difference of operation due to program status word (PSWORD)
0
1
0
1
Stores result of
binary addition
Does not store
result of binary
operation
Stores result of
decimal operation
Does not store
result of decimal
operation
No change
No change
No change
No change
No change
Operation
Set if carry or
borrow occurs;
otherwise, reset
Retains previous
status
Retains previous
status
Retains previous
status
Retains previous
status
Value of b
general register
Operation of CY
flag
0
of
Set if result of operation
is 0000B; otherwise, reset
Retains status if result of
operation is 0000B;
otherwise, reset
Set if result of operation is
0000B; otherwise, reset
Retains status if result of
operation is 0000B;
otherwise, reset
Retains previous status
Retains previous status
Retains previous status
Retains previous status
Retains previous status
Operation of Z flag
PD17072,17073
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