PCD3745AH datasheet(2/32 Pages) PHILIPS

Part #	PCD3745AH

Description	8-bit microcontroller with 4.5 kbytes OTP memory and 32 kHz real-time clock

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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2 / 32 page

1999 Feb 02

2

Philips Semiconductors

Product speciﬁcation

8-bit microcontroller with 4.5 kbytes OTP

memory and 32 kHz real-time clock

PCD3745A

CONTENTS

1

FEATURES

2

GENERAL DESCRIPTION

3

ORDERING INFORMATION

4

BLOCK DIAGRAM

5

PINNING INFORMATION

5.1

Pinning

5.2

Pin description

6

REAL-TIME CLOCK (RTC)

6.1

Oscillator

6.2

Divider chain

6.3

Frequency adjustment

6.4

Clock Control Register (CLCR)

6.5

Frequency Adjustment Register (FAR)

7

PERIPHERAL COUNTER 1 AND

COUNTER 2

7.1

Peripheral Counter Control Register (PCCR)

8

THE RTC, COUNTER 1 AND COUNTER 2

INTERRUPTS

9

REDUCED POWER MODES

9.1

Idle mode

9.2

Stop mode

10

INSTRUCTION SET RESTRICTIONS

11

TIMING

12

RESET

13

SUMMARY OF CONFIGURATIONS

14

OTP PROGRAMMING

15

SUMMARY OF DERIVATIVE REGISTERS

16

LIMITING VALUES

17

HANDLING

18

DC CHARACTERISTICS

19

AC CHARACTERISTICS

20

PACKAGE OUTLINES

21

SOLDERING

21.1

Introduction

21.2

Through-hole mount packages

21.3

Surface mount packages

21.4

Suitability of IC packages for wave, reflow and

dipping soldering methods

22

DEFINITIONS

23

LIFE SUPPORT APPLICATIONS

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