M34280M1-XXXFP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M34280M1-XXXFP

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

4280 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTERS

LIST OF INSTRUCTION FUNCTION

Grouping Mnemonic

Function

TAB

(A) ← (B)

TBA

(B) ← (A)

TAY

(A) ← (Y)

TYA

(Y) ← (A)

TEAB

(ER7–ER4) ← (B)

(ER3–ER0) ← (A)

TABE

(B) ← (ER7–ER4)

(A) ← (ER3–ER0)

TDA

(DR2–DR0) ← (A2–A0)

LXY x, y (X) ← x, x = 0 to 3

(Y) ← y, y = 0 to 15

INY

(Y) ← (Y) + 1

DEY

(Y) ← (Y) – 1

TAM j

(A) ← (M(DP))

(X) ← (X) EXOR(j)

j = 0 to 3

XAM j

(A) ←→ (M(DP))

(X) ← (X) EXOR(j)

j = 0 to 3

XAMD j

(A) ←→ (M(DP))

(X) ← (X) EXOR(j)

j = 0 to 3

(Y) ← (Y) – 1

XAMI j

(A) ←→ (M(DP))

(X) ← (X) EXOR(j)

j = 0 to 3

(Y) ← (Y) + 1

Grouping Mnemonic

Function

Grouping Mnemonic

Function

LA n

(A) ← n

SEAM (A) = (M(DP)) ?

n = 0 to 15

SEA n (A) = n ?

TABP p (SP) ← (SP) + 1

n = 0 to 15

(SK(SP)) ← (PC)

(PCH) ← p p=0 to 7

Ba

(PCL) ← a6–a0

(PCL) ← (DR2–DR0,

A3–A0)

BL p, a (PCH) ← p

When URS=0

(PCL) ← a6–a0

(B) ← (ROM(PC))7 to 4

(A) ← (ROM(PC))3 to 0

BA a

(PCL) ← (a6–a4, A3–A0)

When URS=1

(CY) ← (ROM(PC))8

BLA p, a (PCH) ← p

(B) ← (ROM(PC))7 to 4

(PCL) ← (a6–a4, A3–A0)

(A) ← (ROM(PC))3 to 0

(PC) ← (SK(SP))

BM a

(SP) ← (SP) + 1

(SP) ← (SP) – 1

(SK(SP)) ← (PC)

(PCH) ← 2

AM

(A) ← (A) + (M(DP))

(PCL) ← a6–a0

AMC

An

SC

RC

SZC

(A) ← (A) + (M(DP))

+ (CY)

(CY) ← Carry

(A) ← (A) + n

n = 0 to 15

(CY) ← 1

(CY) ← 0

(CY) = 0 ?

BML p, a

(SP) ← (SP) + 1

(SK(SP)) ← (PC)

(PCH) ← p p= 0 to 7

(PCL) ← a6–a0

BMLA p, (SP) ← (SP) + 1

a

(SK(SP)) ← (PC)

(PCH) ← p p= 0 to 7

(PCL) ← (a6–a4, A3–A0)

RT

(PC) ← (SK(SP))

(SP) ← (SP) – 1

CMA

RAR

(A) ← (A)

→ CY → A3A2A1A0

RTS

(PC) ← (SK(SP))

(SP) ← (SP) – 1

LGOP

Logic operation

instruction

XOR, OR, AND

SB j

(Mj(DP)) ← 1

j = 0 to 3

RB j

(Mj(DP)) ← 0

j = 0 to 3

SZB j

(Mj(DP)) = 0 ?

j = 0 to 3

MITSUBISHI

ELECTRIC

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