M34551E8 View Datasheet(PDF) - MITSUBISHI ELECTRIC

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Description

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M34551E8

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

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

4551 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for

INFRARED REMOTE CONTROL TRANSMITTER

MACHINE INSTRUCTIONS (CONTINUED)

Parameter

Instruction code

Mnemonic

Type of

instructions

D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Hexadecimal

notation

Function

DI

0 0 0 0 0 0 0 1 0 0 0 0 4 1 1 (INTE) ← 0

EI

0 0 0 0 0 0 0 1 0 1 0 0 5 1 1 (INTE) ← 1

SNZ0

0000111000

03 8 1

1 (EXF0) = 1 ?

After skipping the next instruction,

(EXF0) ← 0

SNZI0

0 0 0 0 1 1 1 0 1 0 0 3 A 1 1 I12 = 1 : (INT) = “H” ?

I12 = 0 : (INT) = “L” ?

TAV1

TV1A

TAI1

TI1A

SNZT1

SNZT2

TAW1

TW1A

TAW2

TW2A

TAW3

TW3A

0 0 0 1 0 1 0 1 0 0 0 5 4 1 1 (A) ← (V1)

0 0 0 0 1 1 1 1 1 1 0 3 F 1 1 (V1) ← (A)

1 0 0 1 0 1 0 0 1 1 2 5 3 1 1 (A) ← (I1)

1 0 0 0 0 1 0 1 1 1 2 1 7 1 1 (I1) ← (A)

1010000000

280 1

1 (T1F) = 1 ?

After skipping the next instruction

(T1F) ← 0

1010000001

281 1

1 (T2F) = 1 ?

After skipping the next instruction

(T2F) ← 0

1 0 0 1 0 0 1 0 1 1 2 4 B 1 1 (A) ← (W1)

1 0 0 0 0 0 1 1 1 0 2 0 E 1 1 (W1) ← (A)

1 0 0 1 0 0 1 1 0 0 2 4 C 1 1 (A) ← (W2)

1 0 0 0 0 0 1 1 1 1 2 0 F 1 1 (W2) ← (A)

1 0 0 1 0 0 1 1 0 1 2 4 D 1 1 (A1, A0) ← (W31, W30)

1 0 0 0 0 1 0 0 0 0 2 1 0 1 1 (W31, W30) ← (A1, A0)

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