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UPD62A

4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

NEC => Renesas Technology 

µPD62A

9.3 Mnemonic to/from Machine Language (Assembler Output) Contrast Table

Accumulator Operation Instructions

Mnemonic Operand

ANL

A, R0n

A, R1n

A, @R0H

A, @R0L

A, #data4

ORL

A, R0n

A, R1n

A, @R0H

A, @R0L

A, #data4

XRL

A, R0n

A, R1n

A, @R0H

A, @R0L

A, #data4

INC

A

RL

A

RLZ

A

Instruction Code

1st Word 2nd Word 3rd Word

FBEn

FAEn

FAF0

FBF0

FBF1

data4

FDEn

FCEn

FCF0

FDF0

FDF1

data4

F5En

F4En

F4F0

F5F0

F5F1

data4

F4F3

FCF3

FEF3

Operation

Instruction

Length

(A) ← (A) (Rmn) m = 0, 1 n = 0 to F 1

CY ← A3 • Rmn3

(A) ← (A) ((P13), (R0))7-4

CY ← A3 • ROM7

(A) ← (A) ((P13), (R0))3-0

CY ← A3 • ROM3

(A) ← (A) data4

2

CY ← A3 • data43

(A) ← (A) ∨ (Rmn) m = 0, 1 n = 0 to F 1

CY ← 0

(A) ← (A) ∨ ((P13), (R0))7-4

CY ← 0

(A) ← (A) ∨ ((P13), (R0))3-0

CY ← 0

(A) ← (A) ∨ data4

2

CY ← 0

(A) ← (A) ∨ (Rmn) m = 0, 1 n = 0 to F 1

CY ← A3 • Rmn3

(A) ← (A) ∨ ((P13), (R0))7-4

CY ← A3 • ROM7

(A) ← (A) ∨ ((P13), (R0))3-0

CY ← A3 • ROM3

(A) ← (A) ∨ data4

2

CY ← A3 • data43

(A) ← (A) + 1

1

if (A) = 0 CY ← 1

else CY ← 1

(An+1) ← (An), (A0) ← (A3)

CY ← A3

if A = 0 reset

else (An+1) ← (An), (A0) ← (A3)

CY ← A3

Instruction

Cycle

1

32

Data Sheet U14474EJ1V0DS00

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