PCF8563 datasheet(30/30 Pages) PHILIPS

30 / 30 page

Printed in The Netherlands

All rights are reserved. Reproduction in whole or in part is prohibited without the prior

written consent of the copyright owner.

The information presented in this document does not form part of any quotation or

contract, is believed to be accurate and reliable and may be changed without notice. No

liability will be accepted by the publisher for any consequence of its use. Publication

thereof does not convey nor imply any license under patent- or other industrial or

intellectual property rights.

Date of release: 16 April 1999

Document order number: 9397 750 04855

Contents

Philips Semiconductors

PCF8563

Real-time clock/calendar

General description. . . . . . . . . . . . . . . . . . 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Applications. . . . . . . . . . . . . . . . . . . . . . . . 1

Quick reference data. . . . . . . . . . . . . . . . . 2

Ordering information . . . . . . . . . . . . . . . . 2

Block diagram . . . . . . . . . . . . . . . . . . . . . . 2

Pinning information . . . . . . . . . . . . . . . . . 3

7.1

Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

7.2

Pin description . . . . . . . . . . . . . . . . . . . . . 3

Functional description . . . . . . . . . . . . . . . 4

8.1

Alarm function modes. . . . . . . . . . . . . . . . 4

8.2

Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

8.3

CLKOUT output . . . . . . . . . . . . . . . . . . . . 4

8.4

Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

8.5

Voltage-low detector and clock monitor . . 5

8.6

8.6.1

Control/Status 1 register

. . . . . . . . . . . . . . 6

8.6.2

Control/Status 2 register

. . . . . . . . . . . . . . 7

8.6.3

Seconds, Minutes and Hours registers

. . . . 8

8.6.4

Days, Weekdays, Months/Century and Years

registers

. . . . . . . . . . . . . . . . . . . . . . . . . 8

8.6.5

Alarm registers

. . . . . . . . . . . . . . . . . . . . 10

8.6.6

CLKOUT frequency register

. . . . . . . . . . . 11

8.6.7

Countdown timer registers

. . . . . . . . . . . . 11

8.7

EXT_CLK test mode. . . . . . . . . . . . . . . . 12

8.7.1

Operation example

. . . . . . . . . . . . . . . . . 12

8.8

Power-On Reset (POR) override mode . 12

8.9

Serial interface . . . . . . . . . . . . . . . . . . . . 13

8.9.1

Characteristics of the I2C-bus

. . . . . . . . . 13

8.9.2

START and STOP conditions

. . . . . . . . . 13

8.9.3

Bit transfer

. . . . . . . . . . . . . . . . . . . . . . . 14

8.9.4

Acknowledge

. . . . . . . . . . . . . . . . . . . . . 14

8.9.5

I2C-bus protocol

. . . . . . . . . . . . . . . . . . . 15

Limiting values . . . . . . . . . . . . . . . . . . . . 16

Static characteristics . . . . . . . . . . . . . . . 17

Dynamic characteristics . . . . . . . . . . . . . 19

Application information . . . . . . . . . . . . . 21

12.1

Quartz crystal frequency adjustment . . . 21

Package outline . . . . . . . . . . . . . . . . . . . . 22

Soldering . . . . . . . . . . . . . . . . . . . . . . . . . 25

14.1

Introduction . . . . . . . . . . . . . . . . . . . . . . 25

14.2

Surface mount packages . . . . . . . . . . . . 25

14.2.1

Reflow soldering

. . . . . . . . . . . . . . . . . . . 25

14.2.2

Wave soldering

. . . . . . . . . . . . . . . . . . . 25

14.2.3

Manual soldering

. . . . . . . . . . . . . . . . . . 26

14.3

Through-hole mount packages. . . . . . . . 26

14.3.1

Soldering by dipping or by solder wave

. . . 26

14.3.2

Manual soldering

. . . . . . . . . . . . . . . . . . 26

14.4

Package related soldering information . . 27

Revision history . . . . . . . . . . . . . . . . . . . 27

Data sheet status . . . . . . . . . . . . . . . . . . . 28

Definitions . . . . . . . . . . . . . . . . . . . . . . . . 28

Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . 28

Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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