uPD750066GTA datasheet, PDF - EEWORLD Datasheet

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uPD750066GTA: Description4-BIT SINGLE-CHIP MICROCONTROLLERS; File Size306KB，82 Pages; ManufacturerNEC ( Renesas ); Websitehttps://www2.renesas.cn/zh-cn/

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uPD750066GTA Overview

4-BIT SINGLE-CHIP MICROCONTROLLERS

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DATA SHEET

MOS INTEGRATED CIRCUIT

PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)

4-BIT SINGLE-CHIP MICROCONTROLLERS

The

PD750068 is one of the 75XL Series 4-bit single-chip microcontrollers and has a data processing capability

comparable to that of an 8-bit microcontroller.

The

PD750068 provides more CPU functions compared to the 75X Series and realizes high-speed operation

at the low voltage of 1.8 V, making it ideal for battery-driven applications. This device has on-chip A/D converters,

and sophisticated timers capable of operating as a 16-bit timer. The

PD750068(A) has a higher reliability than

the

PD750068.

A version with on-chip one-time PROM,

PD75P0076, is also available for the evaluation during system

development or for small-scale production.

Detailed function descriptions are provided in the following user’s manual. Be sure to read

the document before designing.

PD750068 User’s Manual: U10670E

Features

Low-voltage operation: V

= 1.8 to 5.5 V

On-chip memory

• Program memory (ROM):

4096

8 bits (

PD750064, 750064(A))

6144

8 bits (

PD750066, 750066(A))

8192

8 bits (

PD750068, 750068(A))

• Data memory (RAM):

512

4 bits

Variable instruction execution time for high-speed

operation and power-saved operation

• 0.95, 1.91, 3.81, 15.3

s (@ 4.19-MHz operation)

• 0.67, 1.33, 2.67, 10.7

s (@ 6.0-MHz operation)

• 122

s (@ 32.768-kHz operation)

Internal low-voltage A/D converters

(AV

REF

= 1.8 to 5.5 V)

8-bit resolution

8 channels

Small packages (shrink SOP, shrink DIP)

Uses instructions of 75X Series for easy replacement

Applications

PD750064, 750066, 750068

Cordless phones, audio-visual equipment, home appliances, office machines, fitness machines, meters, gas

ranges, etc.

PD750064(A), 750066(A), 750068(A)

Electrical equipment for automobiles

The

PD750064, 750066, 750068 and

PD750064(A), 750066(A), 750068(A) differ only in quality grade. In

this manual, the

PD750068 is described as typical product unless otherwise specified.

Users of other than the

PD750068 should read the

PD750068 as referring to the pertinent product.

When the description differs among the

PD750064, 750066, and 750068, they also refer to the pertinent (A)

products.

PD750064

→

PD750064(A),

PD750066

→

PD750066(A),

PD750068

→

PD750068(A)

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local NEC representative for

availability and additional information.

Document No. U10165EJ2V0DS00 (2nd edition)

Date Published April 1999 N CP(K)

Printed in Japan

The mark

shows major revised points.

1995

PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)

CONTENTS

1. PIN CONFIGURATION (Top View) ...................................................................................................... 6

2. BLOCK DIAGRAM ................................................................................................................................ 7

3. PIN FUNCTION ..................................................................................................................................... 8

3.1 Port Pins ...................................................................................................................................... 8

3.2 Non-port Pins ............................................................................................................................ 10

3.3 Pin Input/Output Circuits ......................................................................................................... 12

3.4 Recommended Connection of Unused Pins .......................................................................... 15

4. SWITCHING FUNCTION BETWEEN Mk I MODE AND Mk II MODE ................................................ 16

4.1 Differences between Mk I Mode and Mk II Mode .................................................................... 16

4.2 Setting Method of Stack Bank Select Register (SBS) ........................................................... 17

5. MEMORY CONFIGURATION ............................................................................................................. 18

6. PERIPHERAL HARDWARE FUNCTION ........................................................................................... 23

6.1 Port ............................................................................................................................................. 23

6.2 Clock Generator ........................................................................................................................23

6.3 Subsystem Clock Oscillator Control Function ...................................................................... 25

6.4 Clock Output Circuit ................................................................................................................. 26

6.5 Basic Interval Timer/Watchdog Timer ..................................................................................... 27

6.6 Watch Timer ..............................................................................................................................28

6.7 Timer/Event Counter .................................................................................................................29

6.8 Serial Interface .......................................................................................................................... 32

6.9 A/D Converter ............................................................................................................................ 33

6.10 Bit Sequential Buffer ................................................................................................................ 34

7. INTERRUPT FUNCTION AND TEST FUNCTION .............................................................................. 35

8. STANDBY FUNCTION ........................................................................................................................37

9. RESET FUNCTION ............................................................................................................................. 38

10. MASK OPTION ...................................................................................................................................41

11. INSTRUCTION SET ............................................................................................................................ 42

12. ELECTRICAL SPECIFICATIONS ....................................................................................................... 55

13. CHARACTERISTICS CURVES (REFERENCE VALUES) ................................................................. 68

14. PACKAGE DRAWINGS ...................................................................................................................... 70

15. RECOMMENDED SOLDERING CONDITIONS .................................................................................. 72

Data Sheet U10165EJ2V0DS00

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