upd75212a Renesas Electronics Corporation., upd75212a Datasheet - Page 41

• Manufacturer Part Number: upd75212a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

* MBE = 0 or MBE = 1 and MBS = 15 must be set for execution of IN/OUT instruction.
Note
Note
Mnemonic
Instruction Group
CALLF
HALT
STOP
NOP
RET
RETS
RETI
PUSH
POP
EI
DI
IN
OUT
SEL
CALL
*
*
!addr
!faddr
rp
BS
rp
BS
IE
IE
A, PORTn
XA, PORTn
PORTn, A
PORTn, XA
RBn
MBn
Operands
No. of
Bytes
3
2
1
1
1
1
2
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
Machine
3 + S
Cycle
3
2
3
3
1
2
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
(SP–4) (SP–1) (SP–2) PC
(SP–3)
PC
(SP–4) (SP–1) (SP–2) PC
(SP–3)
PC
MBE, RBE, PC
PC
SP SP+4
MBE, RBE, PC
PC
SP SP+4
then skip unconditionally
PC
PSW (SP+4) (SP+5), SP SP+6
(SP–1) (SP–2) rp, SP SP–2
(SP–1) MBS, (SP–2) RBS, SP SP–2
rp (SP+1) (SP), SP SP+2
MBS (SP+1), RBS (SP), SP SP+2
IME (IPS.3) 1
IE
IME (IPS.3) 0
IE
A PORTn
XA PORTn+1, PORTn
PORTn A
PORTn+1, PORTn XA
Set HALT Mode (PCC.2 1)
Set STOP Mode (PCC.3 1)
No Operation
RBS n
MBS n
, , PC
13–0
13–0
11–0
11–0
11–0
13, 12
1
0
addr, SP SP–4
000, faddr, SP SP–4
(SP) (SP+3) (SP+2)
(SP) (SP+3) (SP+2)
(SP) (SP+3) (SP+2)
MBE, RBE, PC
MBE, RBE, PC
Operation
(SP+1)
13, 12
13, 12
(SP+1)
(SP+1)
(n = 0, 1, 15)
13, 12
13, 12
(n = 0 to 6)
(n = 2 to 6)
(n = 0 to 3)
11–0
11–0
(n = 4)
(n = 4)
Addressing
Area
*10
*6
*9
PD75212A
Unconditional
Condition
Skip
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