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UPD75112F Datasheet(PDF) 39 Page - NEC

Part # UPD75112F
Description  4-BIT SINGLE-CHIP MICROCOMPUTER
PDF  78 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD75112F Datasheet(HTML) 39 Page - NEC

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39
µPD75108F,75112F,75116F
•
µPD75108F
(SP – 4) (SP – 1) (SP – 2)
← PC11–0
(SP – 3)
← MBE, RBE, 0, PC12
PC12–0
← 00, faddr, SP ← SP – 4
•
µPD75112F, 75116F
(SP – 4) (SP – 1) (SP – 2)
← PC11–0
(SP – 3)
← MBE, RBE, PC13, PC12
PC13–0
← 000, faddr, SP ← SP – 4
•
µPD75108F
MBE, RBE,
×, PC12 ← (SP + 1)
PC11–0
← (SP) (SP + 3) (SP + 2)
SP
← SP + 4
•
µPD75112F, 75116F
MBE, RBE, PC13, PC12
← (SP + 1)
PC11–0
← (SP) (SP + 3) (SP + 2)
SP
← SP + 4
•
µPD75108F
MBE, RBE,
×, PC12 ← (SP + 1)
PC11–0
← (SP) (SP + 3) (SP + 2)
SP
← SP + 4, then skip unconditionally
•
µPD75112F, 75116F
MBE, RBE, PC13, PC12
← (SP + 1)
PC11–0
← (SP) (SP + 3) (SP + 2)
SP
← SP + 4, then skip unconditionally
•
µPD75108F
MBE, RBE,
×, PC12 ← (SP + 1)
PC11–0
← (SP) (SP + 3) (SP + 2)
PSW
← (SP + 4) (SP + 5 ), SP ← SP + 6
•
µPD75112F, 75116F
MBE, RBE, PC13, PC12
← (SP + 1)
PC11–0
← (SP) (SP + 3) (SP + 2)
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
Operation
Instruction
Group
Mne-
monic
Skip Condition
Operands Bytes Machine
Cycles
Addressing
Area
*9
2
2
!faddr
3
1
CALLF
RET
3 + S
1
RETS
Subroutine
stack control
RETI
3
1
PUSH
POP
EI
DI
rp
BS
rp
BS
IE
×××
IE
×××
1
2
1
2
2
2
2
2
1
2
1
2
2
2
2
2
Unconditional
Interrupt
control



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