PCD3350A datasheet(2/36 Pages) PHILIPS

2 / 36 page

1996 Dec 18

Philips Semiconductors

Product speciﬁcation

8-bit microcontroller with DTMF generator,

256 bytes EEPROM and real-time clock

PCD3350A

CONTENTS

FEATURES

GENERAL DESCRIPTION

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING INFORMATION

5.1

Pinning

5.2

Pin description

FREQUENCY GENERATOR

6.1

Frequency generator derivative registers

6.2

Melody output (P1.7/MDY)

6.3

DTMF clock divider and output (DP1.7/DCO)

6.4

Frequency registers

6.5

DTMF frequencies

6.6

Modem frequencies

6.7

Musical scale frequencies

EEPROM AND TIMER 2 ORGANIZATION

7.1

EEPROM registers

7.2

EEPROM latches

7.3

EEPROM flags

7.4

EEPROM macros

7.5

EEPROM access

7.6

Timer 2

REAL-TIME CLOCK

8.1

Oscillator

8.2

Divider chain

8.3

Frequency adjustment

8.4

Real-time clock derivative registers

DERIVATIVE INTERRUPTS

TIMING

RESET

IDLE MODE

STOP MODE

SUMMARY OF I/O PORTS AND ROM MASK

OPTIONS

SUMMARY OF DERIVATIVE REGISTERS

HANDLING

LIMITING VALUES

DC CHARACTERISTICS

AC CHARACTERISTICS

PACKAGE OUTLINES

SOLDERING

21.1

Introduction

21.2

Reflow soldering

21.3

Wave soldering

21.4

Repairing soldered joints

DEFINITIONS

LIFE SUPPORT APPLICATIONS

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