UPD780024 datasheet, PDF - EEWORLD Datasheet

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UPD780024: Description8-BIT SINGLE-CHIP MICROCONTROLLER; File Size180KB，42 Pages; ManufacturerNEC ( Renesas ); Websitehttps://www2.renesas.cn/zh-cn/

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UPD780024 Overview

8-BIT SINGLE-CHIP MICROCONTROLLER

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PRELIMINARY PRODUCT INFORMATION

PD780016Y, 780018Y

8-BIT SINGLE-CHIP MICROCONTROLLER

MOS INTEGRATED CIRCUIT

DESCRIPTION

The

PD780016Y and 780018Y are members of the

PD780018Y subseries of the 78K/0 series microcontrollers.

Besides a high-speed, high-performance CPU, these microcontrollers have on-chip ROM, RAM, I/O ports, timer,

serial interface, real-time output port, interrupt control, and various other peripheral hardware.

The

PD78P0018Y devices including a one-time PROM version and an EPROM version, both of which can operate

in the same power supply voltage range as a mask ROM version, and various development tools are available.

The details of the functions are described in the following user’s manuals. Be sure to read it before starting design.

PD780018,780018Y Subseries User’s Manual: U11754E

78K/0 Series User’s Manual – Instructions

: IEU-1372

FEATURES

•

Internal high capacity ROM and RAM

Item

Part

Number

Program

Memory

(ROM)

48K bytes

60K bytes

Data Memory

Internal High-Speed

RAM

1024 bytes

Buffer RAM

Internal Extended

RAM

1024 bytes

(14

20 mm)

Package

PD780016Y

PD780018Y

32 bytes

100-pin plastic QFP

• External memory expansion space: 64K bytes

•

Instruction execution time can be changed from

high-speed (0.4

s) to ultra-low-speed (122

•

I/O ports: 88

•

Serial interface: 3 channels

• 3-wire serial I/O mode

(with automatic data transmit/receive function): 1 channel

• 3-wire serial I/O mode

(with time division transfer function): 1 channel

• I

C bus mode (supporting multi-task): 1 channel

•

Supply voltage : V

= 2.7 to 5.5 V

•

8-bit resolution A/D converter: 8 channels

•

Timer: 7 channels

APPLICATION FIELD

Cellular phones, cordless phones, AV equipment, etc.

The information contained in this document is being issued in advance of the production cycle for the

device. The parameters for the device may change before final production or NEC Corporation, at its own

discretion, may withdraw the device prior to its production.

Document No. U11810EJ1V0PM00 (1st edition)

Date Published December 1996 N

Printed in Japan

1996

PD780016Y, 780018Y

CONTENTS

1. PIN CONFIGURATION (TOP VIEW) ................................................................................................... 6

2. BLOCK DIAGRAM .............................................................................................................................. 8

3. PIN FUNCTIONS ................................................................................................................................. 9

3.1

3.2

3.3

Port Pins ...................................................................................................................................................... 9

Non-port Pins ............................................................................................................................................ 11

Pin I/O Circuits and Recommended Connection of Unused Pins ..................................................... 13

4. MEMORY SPACE .............................................................................................................................. 16

5. PERIPHERAL HARDWARE FUNCTIONS ....................................................................................... 17

5.1

5.2

5.3

5.4

5.5

5.6

5.7

Ports ........................................................................................................................................................... 17

Clock Generator ........................................................................................................................................ 18

Timer/Event Counter ................................................................................................................................ 18

Clock Output Control Circuit .................................................................................................................. 22

Buzzer Output Control Circuit ................................................................................................................ 22

A/D Converter ........................................................................................................................................... 23

Serial Interfaces ........................................................................................................................................ 24

6. INTERRUPT FUNCTIONS AND TEST FUNCTIONS ....................................................................... 26

6.1

6.2

Interrupt Functions .................................................................................................................................. 26

Test Functions .......................................................................................................................................... 29

7. EXTERNAL DEVICE EXPANSION FUNCTIONS ............................................................................. 30

8. STANDBY FUNCTION ...................................................................................................................... 30

9. RESET FUNCTION ............................................................................................................................ 31

10. INSTRUCTION SET ........................................................................................................................... 32

11. PACKAGE DRAWINGS ..................................................................................................................... 34

APPENDIX A. DEVELOPMENT TOOLS................................................................................................ 35

APPENDIX B. RELATED DOCUMENTS ............................................................................................... 37

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