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UPD65 Datasheet(PDF) 34 Page - NEC

Part # UPD65
Description  4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
PDF  64 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD65 Datasheet(HTML) 34 Page - NEC

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34
µPD64A, 65
Data Sheet U14380EJ2V0DS00
Branch Instructions
Mnemonic
Operand
Instruction Code
Operation
Instruction
Instruction
1st Word
2nd Word
3rd Word
Length
Cycle
JMP
addr (Page 0)
E8F1
addr
PC
← addr
2
1
addr (Page 1)
E9F1
addr
JC
addr (Page 0)
ECF1
addr
if CY = 1
PC
← addr
addr (Page 1)
EAF1
addr
else PC
← PC + 2
JNC
addr (Page 0)
EDF1
addr
if CY = 0
PC
← addr
addr (Page 1)
EBF1
addr
else PC
← PC + 2
JF
addr (Page 0)
EEF1
addr
if F = 1
PC
← addr
addr (Page 1)
F0F1
addr
else PC
← PC + 2
JNF
addr (Page 0)
EFF1
addr
if F = 0
PC
← addr
addr (Page 1)
F1F1
addr
else PC
← PC + 2
Caution 0 and 1, which refer to PAGE0 and 1, are not written when describing mnemonics.
Subroutine Instructions
Mnemonic
Operand
Instruction Code
Operation
Instruction
Instruction
1st Word
2nd Word
3rd Word
Length
Cycle
CALL
addr (Page 0)
E6F2
E8F1
addr
SP
← SP + 1, ASR ← PC, PC ← addr
3
2
addr (Page 1)
E6F2
E9F1
addr
RET
E8F2
PC
← ASR, SP ← SP – 1
1
1
Caution 0 and 1, which refer to PAGE0 and 1, are not written when describing mnemonics.
Timer Operation Instructions
Mnemonic
Operand
Instruction Code
Operation
Instruction
Instruction
1st Word
2nd Word
3rd Word
Length
Cycle
MOV
A, T0
FFFF
(A)
← (Tn)
n = 0, 1
1
1
A, T1
FEFF
CY
← 0
T0, A
E5FF
(Tn)
← (A)
n = 0, 1
T1, A
F4FF
(T) n
← 0
Mnemonic
Operand
Instruction Code
Operation
Instruction
Instruction
1st Word
2nd Word
3rd Word
Length
Cycle
MOV
T, #data10
E6FF
data10
(T)
← data10
1
1
T, @R0
F4FF
(T)
← ((P13), (R0))



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