P83CX80 datasheet(2/84 Pages) PHILIPS

2 / 84 page

1997 Dec 12

Philips Semiconductors

Product speciﬁcation

Microcontrollers for monitors with DDC

interface, auto-sync detection and sync proc.

P83Cx80; P87C380

CONTENTS

FEATURES

1.1

Differences from the 80C51 core

1.2

Memory

GENERAL DESCRIPTION

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING INFORMATION

5.1

Pinning

5.2

Pin description

FUNCTIONAL DESCRIPTION

6.1

General

MEMORY ORGANIZATION

7.1

Program memory

7.2

Internal data memory

7.3

Additional Special Function Registers

INTERRUPTS

8.1

Priority level structure

8.2

How interrupts are handled

8.3

Interrupt Enable Register (IE)

8.4

Interrupt Priority Register (IP)

WATCHDOG TIMER

INPUT/OUTPUT (I/O)

10.1

The alternative functions for Port 0, Port 1,

Port 2 and Port 3

10.2

EMI (Electromagnetic Interference) reduction

REDUCED POWER MODES

11.1

Power Control Register

11.2

Idle mode

11.3

Power-down mode

11.4

Status of external pins

OSCILLATOR

RESET

13.1

External reset

13.2

Power-on-reset

13.3

T2 (Watchdog Timer) overflow

ANALOG CONTROL (DC)

14.1

8-bit PWM outputs (PWM0 to PWM9)

14.2

14-bit PWM output (PWM10)

14.3

A typical PWM output application

ANALOG-TO-DIGITAL CONVERTER (ADC)

15.1

Conversion algorithm

DIGITAL-TO-ANALOG CONVERTER (DAC)

16.1

8-bit Data Registers for the DAC outputs

(DACn; n = 0 to 3)

DISPLAY DATA CHANNEL (DDC)

INTERFACE

17.1

Special Function Registers related to the DDC

interface

17.2

Host type detection

17.3

DDC1 protocol

17.4

DDC2B protocol

17.5

DDC2AB/DDC2B+ protocol

17.6

RAM buffer for the system and DDC application

I2C-BUS INTERFACE

HARDWARE MODE DETECTION

19.1

Special Function Register for mode detection

and sync separation

19.2

System description

19.3

System operation

POWER MANAGEMENT

CONTROL MODES

ONE TIME PROGRAMMABLE (OTP)

VERSION

LIMITING VALUES

HANDLING

DC CHARACTERISTICS

DIGITAL-TO-ANALOG CONVERTER

CHARACTERISTICS

AC CHARACTERISTICS

PACKAGE OUTLINE

SOLDERING

29.1

Introduction

29.2

Soldering by dipping or by wave

29.3

Repairing soldered joints

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

P83CX80 Datasheet(PDF) 2 Page - NXP Semiconductors

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