4250 datasheet(10/59 Pages) RENESAS

部品番号	4250

部品情報	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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メーカー	RENESAS [Renesas Technology Corp]

ホームページ	http://www.renesas.com

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9

MITSUBISHI MICROCOMPUTERS

4250 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

PORT BLOCK DIAGRAMS

D

T

Q

Register A

Aj

F0, F1

OFA

instruction

IAF instruction

Register A

Ai

OSA instruction

Key-on wakeup

input

D

T

Q

S0–S3

K00

IAS instruction

Ai

LGOP instruction

LO Register

S

RQ

Skip decision

(SZD instruction)

D0, D1

Decoder

Register Y

SD instruction

RD instruction

SCP instruction

RCP instruction

S

RQ

S

RQ

Skip decision

(SZD instruction)

D2/C

Skip decision

(SNZCP instruction)

PU01

Pull-up transistor

Decoder

Register Y

SD instruction

RD instruction

(Note 1)

(Note 3)

(Note 2)

(Note 1)

D3/K

D

T

Q

S

RQ

Skip decision

(SZD instruction)

A0

OKA instruction

IAK instruction

Pull-up transistor

PU01

Register A

Decoder

Register Y

SD instruction

RD instruction

(Note 1)

This symbol represents

a parasitic diode.

Applied potential to ports D0, D1, F0, F1, S0–S3

must be 7V or less.

Applied potential to ports D2, D3 must be VDD or

less.

i represents 0, 1, 2 or 3.

j represents 0 or 1.

CLD

instruction

CLD

instruction

CLD

instruction

Logic

operator

Notes 1:

2:

3:

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