參數(shù)資料
型號(hào)： UPD75108AGC
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁(yè)數(shù)： 41/66頁(yè)
文件大?。?/td> 460K
代理商： UPD75108AGC
μ
PD75104A, 75108A
41
Ma-
chine
Cyc-
les
Instruc-
tions
Mne-
monics
Operand
Bytes
Operation
Addressing
Area
Skip
Conditions
Inter-
EI
2
2
IME (IPS.3)
←
1
rupt
IExxx
2
2
IExxx
←
1
Control
DI
2
2
IME (IPS.3)
←
0
IExxx
2
2
IExxx
←
0
I/O
IN*
A, PORTn
2
2
A
←
PORT
n
(n = 0-9, 12-14)
XA, PORTn
2
2
XA
←
PORT
n+1
,PORT
n
(n = 4, 6, 8, 12)
OUT*
PORTn, A
2
2
PORT
n
←
A
(n = 2-9, 12-14)
PORTn, XA
2
2
PORT
n+1
,
PORT
n
←
XA
(n = 4, 6, 8, 12)
CPU
HALT
2
2
Set HALT Mode (PCC.2
←
1)
Control
STOP
2
2
Set STOP Mode (PCC.3
←
1)
NOP
1
1
No Operation
Special
SEL
RBn
2
2
RBS
←
n (n = 0-3)
MBn
2
2
MBS
←
n (n = 0, 1, 15)
GETI
taddr
1
3
μ
PD75104A
Where TBR instruction,
11-0
←
(taddr)
3-0
+(taddr+1)
.....PC
*10
Where TCALL instruction,
(SP-4)(SP-1)(SP-2)
←
PC
11-0
(SP-3)
←
MBE, RBE, 0, 0
PC
11-0
←
(taddr)
3-0
+(taddr+1)
SP
←
SP-4
.........................................................
Except for TBR and TCALL
instructions,
Instruction execution of
(taddr)(taddr+1)
Depends on
referenced
instruction
μ
PD75108A
Where TBR instruction,
12-0
←
(taddr)
4-0
+(taddr+1)
....PC
Where TCALL instruction,
(SP-4)(SP-1)(SP-2)
←
PC
11-0
(SP-3)
←
MBE, RBE, 0, PC
12
PC
12-0
←
(taddr)
4-0
+(taddr+1)
SP
←
SP-4
.........................................................
Except for TBR and TCALL
instructions,
Instruction execution of
(taddr)(taddr+1)
Depends on
referenced
instruction
*: When executing the IN/OUT instruction, MBE = 0, or MBE = 1, and MBS = 15.
Remarks:
TBR and TCALL instructions are assembler instructions for GETI instruction table definition.
.............................
.............................
#
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