M34280M1-396FP datasheet(5/47 Pages) MITSUBISHI

Part #	M34280M1-396FP

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

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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MITSUBISHI

ELECTRIC

5

MITSUBISHI MICROCOMPUTERS

4280 Group

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

PORT BLOCK DIAGRAMS

CLD instruction

SD instruction

RD instruction

S

R

Q

A2

S

R

Q

PU02

Ai

D

T

Q

(Note 2)

V12

A3

D

T

Q

R

V10

CARRY

Q

D

T R

A0

D

T

Q

PU00

A1

D

T

Q

PU01

CLD instruction

SD instruction

RD instruction

Register Y

Decoder

Register Y

Decoder

(Note 1)

Ports D0–D6

Port D7 (Note 4)

Pull-down

transistor

Port E0 (Note 4)

Port E1 (Note 4)

Port E2 (Note 4)

(Note 1)

Pull-down

transistor

Pull-down

transistor

Pull-down

transistor

Pull-down

transistor

(Note 1)

To timer 1

Ports G0–G3 (Note 4)

Port CARR

Carrier wave

output control

signal

TCA

instruction

OCRA instruction

Carrier wave

output circuit

Register A

Timer 1 underflow signal

Skip decision (SZD instruction)

Key-on wakeup input

Aj (Note 3)

TCA instruction

Register C

Register A

TAC instruction

OEA

instruction

IAE instruction

Register A

Key-on wakeup input

Register A

OEA

instruction

IAE instruction

Register A

Key-on wakeup input

OGA

instruction

IAG instruction

Notes 1:

2:

3:

4:

This symbol represents a parasitic diode.

i represents bits 0 to 3.

j represents bits 0 to 2.

Applied voltage must be less than VDD.

Aj (Note 3)

Register A

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M34280M1-396FP Datasheet(PDF) 5 Page - Mitsubishi Electric Semiconductor

M34280M1-396FP Datasheet(HTML) 5 Page - Mitsubishi Electric Semiconductor

Similar Part No. - M34280M1-396FP

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