© Koninklijke Philips Electronics N.V. 2004.
Printed in The Netherlands
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
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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
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thereof does not convey nor imply any license under patent- or other industrial or
intellectual property rights.
Date of release: 12 March 2004 Document order number: 9397 750 12999
Contents
Philips Semiconductors PCF8563
Real time clock/calendar
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4 Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
5 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
6 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7 Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
7.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
8 Functional description . . . . . . . . . . . . . . . . . . . 4
8.1 Alarm function modes. . . . . . . . . . . . . . . . . . . . 5
8.2 Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8.3 Clock output . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8.4 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8.5 Voltage-low detector . . . . . . . . . . . . . . . . . . . . . 5
8.6 Register organization . . . . . . . . . . . . . . . . . . . . 6
8.6.1 Control/status 1 register . . . . . . . . . . . . . . . . . . 7
8.6.2 Control/status 2 register . . . . . . . . . . . . . . . . . . 7
8.6.3 Time and date registers . . . . . . . . . . . . . . . . . . 8
8.6.4 Alarm registers . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.6.5 Clock output control register. . . . . . . . . . . . . . 10
8.6.6 Countdown timer. . . . . . . . . . . . . . . . . . . . . . . 10
8.7 EXT_CLK test mode. . . . . . . . . . . . . . . . . . . . 11
8.8 Power-On Reset (POR) override . . . . . . . . . . 12
9 Characteristics of the I2C-bus. . . . . . . . . . . . . 12
9.1 Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9.2 Start and stop conditions . . . . . . . . . . . . . . . . 13
9.3 System configuration . . . . . . . . . . . . . . . . . . . 13
9.4 Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 13
9.5 I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 14
9.5.1 Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
9.5.2 Clock/calendar read/write cycles . . . . . . . . . . 15
10 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 16
11 Static characteristics. . . . . . . . . . . . . . . . . . . . 16
12 Dynamic characteristics . . . . . . . . . . . . . . . . . 18
13 Application information. . . . . . . . . . . . . . . . . . 20
13.1 Quartz frequency adjustment . . . . . . . . . . . . . 21
13.1.1 Method 1: fixed OSCI capacitor . . . . . . . . . . . 21
13.1.2 Method 2: OSCI trimmer. . . . . . . . . . . . . . . . . 21
13.1.3 Method 3: OSCO output. . . . . . . . . . . . . . . . . 21
14 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 22
15 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
15.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 25
15.2 Through-hole mount packages. . . . . . . . . . . . 25
15.2.1 Soldering by dipping or by solder wave . . . . . 25
15.2.2 Manual soldering . . . . . . . . . . . . . . . . . . . . . . 25
15.3 Surface mount packages . . . . . . . . . . . . . . . . 25
15.3.1 Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 25
15.3.2 Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 26
15.3.3 Manual soldering . . . . . . . . . . . . . . . . . . . . . . 26
15.4 Package related soldering information. . . . . . 27
16 Revision history . . . . . . . . . . . . . . . . . . . . . . . 28
17 Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 29
18 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
19 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
20 Licenses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29