D75108CW NEC, D75108CW Datasheet - Page 42

• Manufacturer Part Number: D75108CW
• Description: Search -----> UPD75108CW
• Manufacturer: NEC

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42
*: 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.
Instruc-
tions
Inter-
rupt
Control
I/O
CPU
Control
Special
Mne-
monics
EI
DI
IN*
OUT*
HALT
STOP
NOP
SEL
GETI
IExxx
IExxx
A, PORTn
XA, PORTn
PORTn, A
PORTn, XA
RBn
MBn
taddr
Operand
Bytes
2
2
2
2
2
2
2
2
2
2
1
2
2
1
chine
Cyc-
Ma-
les
2
2
2
2
2
2
2
2
2
2
1
2
2
3
.........................................................
.........................................................
.........................................................
.........................................................
IME (IPS.3)
IExxx
IME (IPS.3)
IExxx
A
XA
PORT
PORT
Set HALT Mode (PCC.2
Set STOP Mode (PCC.3
No Operation
RBS
MBS
• PD75104
• Where TBR instruction,
• Where TCALL instruction,
• Except for TBR and TCALL
• PD75106, 75108
• Where TBR instruction,
• Where TCALL instruction,
• Except for TBR and TCALL
PC
(SP-4)(SP-1)(SP-2)
(SP-3)
PC
SP
instructions,
Instruction execution of
(taddr)(taddr+1)
PC
(SP-4)(SP-1)(SP-2)
(SP-3)
PC
SP
instructions,
Instruction execution of
(taddr)(taddr+1)
11-0
11-0
12-0
12-0
PORT
n+1
n
PORT
SP-4
SP-4
,
n (n = 0-3)
n (n = 0, 1, 15)
PORT
1
0
A
(taddr)
(taddr)
(taddr)
(taddr)
n
MBE, RBE, 0, 0
MBE, RBE, 0, PC
Operation
n+1
,PORT
n
1
0
3-0
3-0
4-0
4-0
XA
+(taddr+1)
+(taddr+1)
+(taddr+1)
+(taddr+1)
n (n = 4, 6, 8, 12)
(n = 0-9, 12-14)
(n = 2-9, 12-14)
(n = 4, 6, 8, 12)
PC
PC
11-0
11-0
1)
1)
12
PD75104, 75106, 75108
Addressing
*10
Area
.............................
.............................
Depends on
referenced
instruction
Depends on
referenced
instruction
Skip
Conditions