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UPD75P308GF-001-3B9: 产品描述4-BIT SINGLE-CHIP MICROCOMPUTER; 文件大小242KB，共34页; 制造商NEC ( Renesas ); 官网地址https://www2.renesas.cn/zh-cn/

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UPD75P308GF-001-3B9概述

4-BIT SINGLE-CHIP MICROCOMPUTER

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DATA SHEET

MOS INTEGRATED CIRCUIT

PD75P308

4-BIT SINGLE-CHIP MICROCOMPUTER

DESCRIPTION

The

PD75P308 is a model of the

PD75308 equipped with a one-time PROM or EPROM instead of an

internal mask ROM.

Two types are available as the

PD75P308. The one-time PROM type is ideal for production of a small

quantity of many different types of application systems as data can only be written once to the one-time

PROM of this type. Programs can be written and rewritten to the built-in EPROM type making it ideal

for system evaluation.

Detailed functions are described in the followig user's manual. Be sure to read it for designing.

PD75308 User's Manual: IEM-5016

FEATURES

•

PD75308 compatible

Memory capacity

• Program memory (PROM): 8064 x 8 bits

• Data memory (RAM): 512 x 4 bits

•

Can be connected to a pull-up resistor through software: Ports 0-3, 6, 7

Open-drain input/output: Ports 4 and 5

Single power source: 5V

ORDERING INFORMATION

Part Number

Package

80-pin plastic QFP (14 x 20 mm)

80-pin ceramic WQFN (LCC w/window)

Internal ROM

One-time PROM

EPROM

PD75P308GF-3B9

PD75P308K

QUALITY GRADE

Part Number

Package

80-pin plastic QFP (14 x 20 mm)

80-pin Ceramic WQFN (LCC w/window)

Quality Grade

Standard

PD75P308GF-001-3B9

PD75P308K

Please refer to "Quality Grade on NEC Semiconductor Devices" (Document number IEI-1209) published by NEC

Corporation to know the specification of quality grade on the devices and its recommended applications.

The function common to the one-time PROM and EPROM types of product is referred to as PROM throughout this document.

The information in this document is subject to change without notice.

Document No. IC-2472B

(O. D. No. IC-7208C)

Date Published November 1993 P

Printed in Japan

The mark

shows major revised points.

NEC Corporation 1989

PD75P308

CONTENTS

PIN FUNCTIONS .................................................................................................................................

1.1

1.2

1.3

PORT PINS ................................................................................................................................................. 5

NON PORT PINS ....................................................................................................................................... 6

PIN INPUT/OUTPUT CIRCUITS ................................................................................................................ 7

NOTES ON USING P00/INT4 AND RESET PINS ..................................................................................... 9

1.4

DIFFERENCES BETWEEN

PD75P308 AND

PD75308 ..................................................................

WRITING AND VERIFYING PROM (PROGRAM MEMORY) ...........................................................

3.1

3.2

3.3

3.4

OPERATION MODES FOR WRITING/VERIFYING PROGRAM MEMORY ............................................ 11

PROGRAM MEMORY WRITE PROCEDURE .......................................................................................... 12

PROGRAM MEMORY READ PROCEDURE ............................................................................................ 13

ERASURE (

PD75P308K ONLY) ............................................................................................................. 14

ELECTRICAL SPECIFICATIONS ........................................................................................................

PACKAGE DRAWINGS ......................................................................................................................

RECOMMENDED SOLDERING CONDITIONS .................................................................................

APPENDIX A. DEVELOPMENT TOOLS .................................................................................................

APPENDIX B. RELATED DOCUMENTS ................................................................................................

UPD75P308GF-001-3B9相似产品对比

	UPD75P308GF-001-3B9	UPD75P308GF-3B9	UPD75P308K	UPD75P308
描述	4-BIT SINGLE-CHIP MICROCOMPUTER	4-BIT SINGLE-CHIP MICROCOMPUTER	4-BIT SINGLE-CHIP MICROCOMPUTER	4-BIT SINGLE-CHIP MICROCOMPUTER

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