P80CL31 datasheet(2/68 Pages) PHILIPS

2 / 68 page

1997 Apr 15

Philips Semiconductors

Product speciﬁcation

Low voltage 8-bit microcontrollers with

UART

P80CL31; P80CL51

CONTENTS

FEATURES

GENERAL DESCRIPTION

2.1

Versions: P80CL31 and P80C51

APPLICATIONS

ORDERING INFORMATION

BLOCK DIAGRAM

FUNCTIONAL DIAGRAM

PINNING INFORMATION

7.1

Pinning

7.2

Pin description

FUNCTIONAL DESCRIPTION OVERVIEW

8.1

General

8.2

CPU timing

MEMORY ORGANIZATION

9.1

Program Memory

9.2

Data Memory

9.3

Special Function Registers (SFRs)

9.4

Addressing

I/O FACILITIES

10.1

Ports

10.2

Port options

10.3

Port 0 options

10.4

SET/RESET options

TIMERS/EVENT COUNTERS

REDUCED POWER MODES

12.1

Idle mode

12.2

Power-down mode

12.3

Wake-up from Power-down mode

12.4

Power Control Register (PCON)

12.5

Status of external pins

STANDARD SERIAL INTERFACE SIO0:

UART

13.1

Multiprocessor communications

13.2

Serial Port Control and Status Register

(S0CON)

13.3

Baud rates

INTERRUPT SYSTEM

14.1

External interrupts INT2 to INT9

14.2

Interrupt priority

14.3

Interrupt registers

OSCILLATOR CIRCUITRY

RESET

16.1

External reset using the RST pin

16.2

Power-on-reset

MASK OPTIONS FOR P80CL31 AND P80C51

17.1

P80CL31: ROMless version

17.2

P80C51: 5V standard version

SPECIAL FUNCTION REGISTERS

OVERVIEW

INSTRUCTION SET

LIMITING VALUES

DC CHARACTERISTICS FOR P80CL31 AND

P80CL51

DC CHARACTERISTICS FOR P80C51

AC CHARACTERISTICS

P85CL000HFZ ‘PIGGY-BACK’

SPECIFICATION

24.1

General description

24.2

Feature differences/additional features with

respect to P80CL51

24.3

Common specification/feature differences

between P85CL000HFZ and

P83CL410/P80CL51

PACKAGE OUTLINES

SOLDERING

26.1

Introduction

26.2

DIP

26.3

QFP and VSO

DEFINITIONS

LIFE SUPPORT APPLICATIONS

P80CL31 Datasheet(PDF) 2 Page - NXP Semiconductors

P80CL31 Datasheet(HTML) 2 Page - NXP Semiconductors

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