upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 160
upd75238
Manufacturer Part Number
upd75238
Description
4 Bit Single-chip Microcomputer
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD75238.pdf
(190 pages)
- Current page: 160 of 190
- Download datasheet (2Mb)
160
Instruction
Subrou-
tine stack
control
Interrupt
control
I/O
CPU
control
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-5)(SP-6)(SP-3)(SP-4)
(SP-2)
PC
(SP-5)(SP-6)(SP-3)(SP-4)
(SP-2)
PC
(SP-5)(SP-6)(SP-3)(SP-4)
(SP-2)
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
, , MBE, RBE
, , MBE, RBE
, PC
14
14-0
14-0
14-0
14-0
11-0
PORTn
14,13,12
(SP+1)(SP), SP
SP+6
SP+6
PORTn
+1
0, PC
(SP+4)(SP+5), SP
(SP+1), RBS
, PORTn
1
0
addr1, SP
0000, faddr, SP
(SP+1)(SP)(SP+3)(SP+2)
(SP+1) (SP)(SP+3)(SP+2)
(SP)(SP+3)(SP+2)
MBS, (SP-2)
A
, , MBE, RBE
, , MBE, RBE
, , MBE, RBE
Operation
13-0
+1
(SP+1)
0
1
, PORTn
rp, SP
(SP+4)
(SP+4)
addr, SP
XA
SP-6
SP+2
(SP), SP
RBS, SP
SP-2
1)
1)
PC
PC
PC
SP-6
SP+6
14-0
14-0
14-0
SP-6
Address-
ing area
*11
*6
*9
Uncondition-
ally
Skip
condition
PD75238
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