UPD75518 NEC, UPD75518 Datasheet - Page 154

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

154
Instruction
Subrou-
tine stack
control
instruction
Interrupt
control
instruction
I/O
instruction
CPU
control
instruction
Note MBE = 0, or MBE = 1 and MBS = 15 must be set when an IN/OUT instruction is executed.
Mnemonic
CALL
CALLA
CALLF
RET
RETS
RETI
PUSH
POP
EI
DI
IN
OUT
HALT
STOP
NOP
Note
Note
!addr
!addr1
!faddr
rp
BS
rp
BS
IE
IE
A,PORTn
XA,PORTn
PORTn,A
PORTn,XA
Operand
Number
of bytes
3
3
2
1
1
1
1
2
1
2
2
2
2
2
2
2
2
2
2
2
1
Machine
cycle
3 + S
4
3
3
3
3
1
2
1
2
2
2
2
2
2
2
2
2
2
2
1
(SP-2)
(SP-6)(SP-3)(SP-4)
(SP-5)
PC
(SP-2)
(SP-6)(SP-3)(SP-4)
(SP-5)
PC
(SP-2)
(SP-6)(SP-3)(SP-4)
(SP-5)
PC
PC
SP
PC
SP
then skip unconditionally
PC
PSW
(SP-1)(SP-2)
(SP-1)
SP - 2
rp
MBS
SP + 2
IME(IPS.3)
IE
IME(IPS.3)
IE
A
XA
PORTn
PORTn
Set HALT Mode (PCC.2
Set STOP Mode (PCC.3
No Operation
,PC
, ,MBE,RBE
,PC
, ,MBE,RBE
,PC
14
14-0
14-0
11-0
11-0
11-0
14
14
14
PORTn (n=0-15)
(SP+1)(SP), SP
,PC
,PC
,PC
SP + 6
SP + 6
PORTn
+1
0, PC
(SP+4)(SP+5), SP
(SP+1), RBS
,PORTn
addr, SP
0000 + faddr, SP
(SP)(SP+3)(SP+2)
(SP)(SP+3)(SP+2)
(SP)(SP+3)(SP+2)
13
13
13
MBS, (SP-2)
1
0
0,PC
0,PC
0,PC
A (n=2-7,9-14)
, ,MBE,RBE
, ,MBE,RBE
, ,MBE,RBE
,PC
,PC
,PC
13-0
Operation
+1
14
14
14
1
0
12
12
12
,PORTn (n=4,6)
,PC
,PC
,PC
rp, SP
(SP+4)
(SP+4)
addr, SP
13
13
13
(SP+1)
(SP+1)
(SP+1)
XA (n=4,6)
, PC
, PC
, PC
SP - 6
PC
PC
PC
SP + 2
(SP), SP
11-0
12
11-0
12
11-0
12
RBS, SP
SP - 2
1)
1)
SP + 6
SP - 6
SP - 6
Address-
ing area
*11
*6
*9
Uncondition-
ally
PD75518(A)
Skip
condition