UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 167
UPD75238GJ
Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
1.UPD75238GJ.pdf
(190 pages)
- Current page: 167 of 190
- Download datasheet (2Mb)
Branch
Subrou-
tine stack
control
I/O
Interrupt
control
CPU
control
Special
Instruc-
tion
Mnemonic
BR
BRA
BRCB
CALL
CALLA
CALLF
RET
RETS
RETI
PUSH
POP
IN
OUT
EI
DI
HALT
STOP
NOP
SEL
GETI
!addr
$addr1
PCDE
PCXA
BCDE
BCXA
!addr1
!caddr
!addr
!addr1
!faddr
rp
BS
rp
BS
A, PORTn
XA, PORTn
PORTn, A
PORTn, XA
IE
IE
RBn
MBn
taddr
Operand
(+16) to (+2)
(-1) to (-15)
1 0 1 0 1 0 1 1
0 0 0 0 A
1 1 1 1 S
1 0 0 1 1 0 0 1
1 0 0 1 1 0 0 1
1 0 0 1 1 0 0 1
1 0 0 1 1 0 0 1
1 0 1 1 1 0 1 0
0 1 0 1
1 0 1 0 1 0 1 1
1 0 1 1 1 0 1 1
0 1 0 0 0
1 1 1 0 1 1 1 0
1 1 1 0 0 0 0 0
1 1 1 0 1 1 1 1
0 1 0 0 1 P
1 0 0 1 1 0 0 1
0 1 0 0 1 P
1 0 0 1 1 0 0 1
1 0 1 0 0 0 1 1
1 0 1 0 0 0 1 0
1 0 0 1 0 0 1 1
1 0 0 1 0 0 1 0
1 0 0 1 1 1 0 1
1 0 0 1 1 1 0 1
1 0 0 1 1 1 0 0
1 0 0 1 1 1 0 0
1 0 0 1 1 1 0 1
1 0 0 1 1 1 0 1
0 1 1 0 0 0 0 0
1 0 0 1 1 0 0 1
1 0 0 1 1 0 0 1
0 0 T
5
T
4
B
1
T
3
3
3
A
S
T
2
2
2
2
2
A
S
P
P
T
1
1
1
1
1
A
S
T
1
0
0
0
0
0 0
0 0 0 0 0 1 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 1 0 1
0 0 0 0 0 0 0 1
0
caddr
0 1
0
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 0
1 1 1 1 N
1 1 1 1 N
1 1 1 1 N
1 1 1 1 N
1 0 1 1 0 0 1 0
1 0 N
1 0 1 1 0 0 1 0
1 0 N
1 0 1 0 0 0 1 1
1 0 1 1 0 0 1 1
0 0 1 0 0 0 N
0 0 0 1 N
faddr
Instruction code
5
5
1 1 N
1 1 N
B
2
3
3
3
3
3
N
N
N
N
N
2
2
2
2
2
2
2
N
N
N
N
N
N
N
1
1
1
1
1
1
1
1
N
N
N
N
N
N
N
N
0
0
0
0
0
0
0
0
addr1
addr1
addr
addr
PD75238
B
3
167
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