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DATA SHEET

MOS INTEGRATED CIRCUIT

µ

PD78P4038

16/8-BIT SINGLE-CHIP MICROCONTROLLER

The

µ

PD78P4038, 78K/IV Series' product, is a one-time PROM or EPROM version of the

µ

PD784035,

µ

PD784036,

µ

PD784037, and

µ

PD784038 with internal masked ROM.

Since user programs can be written to PROM, this microcontroller is best suited for evaluation in system

development, manufacture of small quantities of multiple products, and fast start-up of applications.

For specific functions and other detailed information, consult the following user's manual.

This manual is required reading for design work.

µ

PD784038, 784038Y Subseries User's Manual, Hardware : U11316E

78K/IV Series User's Manual, Instruction

: U10905E

FEATURES

•

Compatible with the

µ

PD78P238,

µ

PD78P4026, and

µ

PD78P4038Y

•

Internal PROM: 128 Kbytes

•

µ

PD78P4038KK-T

: EPROM (best suited for system evaluation)

•

µ

PD78P4038GC-3B9 : One-time PROM (best suited for manufacture of small quantities)

µ

PD78P4038GC-8BT : One-time PROM (best suited for manufacture of small quantities)

µ

PD78P4038GK-BE9 : One-time PROM (best suited for manufacture of small quantities)

•

Internal RAM

: 4,352 bytes

•

Power supply voltage : V

DD

= 2.7 to 5.5 V

•

QTOP

TM

microcomputer (In the planning phase)

Remark

The QTOP microcomputer is a microcomputer with a built-in one-time PROM that is totally supported

by NEC. The support includes writing application programs, marking, screening, and verification.

ORDERING INFORMATION

Part number

Package

80-pin plastic QFP (14

×

14

×

2.7 mm)

80-pin plastic QFP (14

×

14

×

1.4 mm)

80-pin plastic TQFP (fine pitch) (12

×

12 mm)

80-pin ceramic WQFN (14

×

14 mm)

Internal ROM

One-time PROM

One-time PROM (QTOP microcomputer)

One-time PROM

One-time PROM (QTOP microcomputer)

EPROM

µ

PD78P4038GC-3B9

µ

PD78P4038GC-8BT

µ

PD78P4038GK-BE9

µ

PD78P4038KK-T

µ

PD78P4038GC-×××-3B9 80-pin plastic QFP (14

×

14

×

2.7 mm)

µ

PD78P4038GK-×××-BE9 80-pin plastic TQFP (fine pitch) (12

×

12 mm)

In this reference, all ROM components that are common to one-time PROM and EPROM are referred to as

PROM.

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

Document No. U10848EJ2V0DS00 (2nd edition)

Date Published July 1998 J CP(K)

Printed in Japan

The mark

shows major revised points.

©

1995

µ

PD78P4038

QUALITY GRADE

Part number

Package

80-pin plastic QFP (14

×

14

×

2.7 mm)

80-pin plastic QFP (14

×

14

×

2.7 mm)

80-pin plastic QFP (14

×

14

×

1.4 mm)

80-pin plastic TQFP (fine pitch) (12

×

12 mm)

80-pin plastic TQFP (fine pitch) (12

×

12 mm)

80-pin ceramic WQFN (14

×

14 mm)

Quality grade

Standard (for general electronic equipment)

Not applied (for function evaluation)

µ

PD78P4038GC-3B9

µ

PD78P4038GC-×××-3B9

µ

PD78P4038GC-8BT

µ

PD78P4038GK-BE9

µ

PD78P4038GK-×××-BE9

µ

PD78P4038KK-T

Please refer to "Quality Grades on NEC Semiconductor Devices" (Document No. C11531E) published by NEC Corporation

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

Caution The EPROM versions of the

µ

PD78P4038 are not intended for use in mass-produced products;

they do not have reliability high enough for such purposes. Their use should be restricted to

functional evaluation in experiment or trial manufacture.

Remark

×××

indicates ROM code suffix.

2

µ

PD78P4038

78K/IV SERIES PRODUCT DEVELOPMENT DIAGRAM

: Under mass production

: Under development

I

2

C bus supported

Multimaster I

2

C bus supported

µ

PD784038Y

Standard models

µ

PD784225Y

µ

PD784225

80 pins,

added ROM correction

Multimaster I

2

C bus supported

µ

PD784038

Enhanced internal memory capacity,

pin compatible with the

µ

PD784026

Multimaster I

2

C bus supported

µ

PD784026

Enhanced A/D,

16-bit timer,

and power

management

µ

PD784216Y

µ

PD784216

100 pins,

enhanced I/O and

internal memory capacity

µ

PD784218Y

µ

PD784218

Enhanced internal memory capacity,

added ROM correction

µ

PD784054

µ

PD784046

ASSP models

Equipped with 10-bit A/D

µ

PD784955

For DC inverter control

µ

PD784937

µ

PD784908

Equipped with IEBus

TM

controller

Enhanced function of the

µ

PD784908,

enhanced internal memory capacity,

added ROM correction

Multimaster I

2

C bus supported

µ

PD784928Y

µ

PD784928

µ

PD784915

For software servo control,

equipped with analog circuit

for VCR,

enhanced timer

Enhanced function of the

µ

PD784915

3

µ

PD78P4038

FUNCTIONS

(1/2)

Item

Number of basic instructions

(mnemonics)

General-purpose register

Minimum instruction

execution time

Internal

memory

Memory space

I/O ports

Total

Input

Input/output

Additional

function

pins

Note

Pins with pull-

up resistor

LED direct

drive outputs

Transistor

direct drive

Real-time output ports

Timer/counter

PROM

RAM

113

8 bits

×

16 registers

×

8 banks, or 16 bits

×

8 registers

×

8 banks (memory mapping)

125 ns/250 ns/500 ns/1,000 ns (at 32 MHz)

Functions

128 Kbytes (Can be changed to 48 K, 64 K, or 96 Kbytes by software)

4,352 bytes (Can be changed to 2,048 or 3,584 bytes by software)

Program and data: 1 Mbyte

64

8

56

54

24

8

4 bits

×

2, or 8 bits

×

1

Timer/counter 0: Timer register

×

1

(16 bits)

Capture register

×

1

Compare register

×

2

Pulse output capability

•

Toggle output

•

PWM/PPG output

•

One-shot pulse output

Pulse output capability

•

Real-time output (4 bits

×

2)

Timer/counter 1: Timer register

×

1

(8/16 bits)

Capture register

×

1

Capture/compare register

×

1

Compare register

×

1

Timer/counter 2: Timer register

×

1

(8/16 bits)

Capture register

×

1

Capture/compare register

×

1

Compare register

×

1

Timer 3

(8/16 bits)

PWM outputs

Serial interface

: Timer register

×

1

Compare register

×

1

Pulse output capability

•

Toggle output

•

PWM/PPG output

12-bit resolution

×

2 channels

UART/IOE (3-wire serial I/O): 2 channels (incorporating baud rate generator)

CSI (3-wire serial I/O, 2-wire serial I/O): 1 channel

8-bit resolution

×

8 channels

8-bit resolution

×

2 channels

A/D converter

D/A converter

Note

Additional function pins are included in the I/O pins.

4

µ

PD78P4038

(2/2)

Item

Clock output

Watchdog timer

Standby

Interrupt

Functions

Selected from f

CLK

, f

CLK

/2, f

CLK

/4, f

CLK

/8, or f

CLK

/16 (can be used as a 1-bit output port)

1 channel

HALT/STOP/IDLE mode

Hardware source 23 (16 internal, 7 external (sampling clock variable input: 1))

Software source

Nonmaskable

Maskable

BRK instruction, BRKCS instruction, operand error

1 internal, 1 external

15 internal, 6 external

•

4-level programmable priority

•

3 operation statuses: vectored interrupt, macro service, context switching

Supply voltage

Package

V

DD

= 2.7 to 5.5 V

80-pin

plastic QFP (14

×

14

×

2.7 mm)

plastic QFP (14

×

14

×

1.4 mm)

plastic TQFP (fine pitch) (12

×

12 mm)

ceramic WQFN (14

×

14 mm)

5

UPD78P4038KK-T

UPD78P4038KK-T概述

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