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UPD75336GC Datasheet(PDF) 45 Page - NEC

Part # UPD75336GC
Description  4-BIT SINGLE-CHIP MICROCOMPUTER
PDF  68 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD75336GC Datasheet(HTML) 45 Page - NEC

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45
µPD75336
Operation
Skip Condition
(SP – 4) (SP – 1) (SP – 2)
← PC11–0
(SP – 3)
← MBE, RBE, PC13, PC12
PC13–0
← addr, SP ← SP – 4
(SP – 4) (SP – 1) (SP – 2)
← PC11–0
(SP – 3)
← MBE, RBE, PC13, PC12
PC13–0
← 000 + faddr, SP ← SP – 4
PC11–0
← (SP) (SP + 3) (SP + 2)
MBE, RBE, PC13, PC12
← (SP + 1)
SP
← SP + 4
PC11–0
← (SP) (SP + 3) (SP + 2)
MBE, RBE, PC13, PC12
← (SP + 1)
SP
← SP + 4, then skip unconditionally
PC11–0
← (SP) (SP + 3) (SP + 2)
MBE, RBE, PC13, PC12
← (SP + 1)
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
× × × ← 1
IME(IPS.3)
← 0
IE
× × × ← 0
*6
*9
Unconditional
A
← PORTn
(n = 0–8)
XA
← PORTn+1, PORTn
(n = 4, 6)
PORTn
← A
(n = 2–8)
PORTn+1, PORTn
← XA
(n =4, 6)
Set HALT Mode (PCC.2
← 1)
Set STOP Mode (PCC.3
← 1)
No Operation
RBS
← n
(n = 0 – 3)
MBS
← n
(n = 0, 1, 2, 15)
• TBR Instruction
PC13–0
← (taddr) 5–0 + (taddr + 1)
• TCALL Instruction
(SP – 4) (SP – 1) (SP – 2)
← PC11–0
(SP – 3)
← MBE, RBE, PC13, PC12
PC13–0
← (taddr) 5–0 ← (taddr + 1)
SP
← SP – 4
• Other than TBR and TCALL Instruction
Execution of an instruction addressed at
(taddr) and (taddr + 1)
*10
-----------------------------------------------------------------------
-----------------------------------------------------------------------
-----------------------------
-----------------------------
Depends on the
referred instruc-
tion
*
At IN/OUT instruction execution, MBE = 0 or MBE = 1, MBS =15 must be set in advance.
Remarks
TBR and TCALL instructons are assembler pseudo instructions for GETI instruction table definition.
Note
1. Instruction Group
2. Interrupt control
3. CPU control
Note 1
CALL
CALLF
RET
RETS
RETI
PUSH
POP
EI
DI
IN*
OUT*
HALT
STOP
NOP
SEL
GETI
!addr
!faddr
rp
BS
rp
BS
IE
× × ×
IE
× × ×
A, PORTn
XA, PORTn
PORTn, A
PORTn, XA
RBn
MBn
taddr
Bytes
3
2
1
1
1
1
2
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
1
Machine
Cycles
2
2
3
3+S
3
1
2
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
3
Mne-
monic
Operands
Address-
ing Area



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