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PCF8563 数据表(PDF) 32 Page - NXP Semiconductors

部件名 PCF8563
功能描述  Real-time clock/calendar
PDF  32 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF8563 数据表(HTML) 32 Page - NXP Semiconductors

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NXP Semiconductors
PCF8563
Real-time clock/calendar
© NXP B.V. 2008.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 21 February 2008
Document identifier: PCF8563_6
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 4
7.1
Alarm function modes . . . . . . . . . . . . . . . . . . . . 4
7.2
Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.3
Clock output . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.4
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.5
Voltage-low detector . . . . . . . . . . . . . . . . . . . . . 5
7.6
Register organization . . . . . . . . . . . . . . . . . . . . 6
7.6.1
Control_status_1 register . . . . . . . . . . . . . . . . . 6
7.6.2
Control_status_2 register . . . . . . . . . . . . . . . . . 6
7.6.3
Time and date registers . . . . . . . . . . . . . . . . . . 7
7.6.4
Alarm registers . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.6.5
Clock output control register . . . . . . . . . . . . . . 10
7.6.6
Countdown timer. . . . . . . . . . . . . . . . . . . . . . . 10
7.7
EXT_CLK test mode . . . . . . . . . . . . . . . . . . . . 11
7.8
Power-On Reset (POR) override . . . . . . . . . . 12
8
Characteristics of the I2C-bus. . . . . . . . . . . . . 13
8.1
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.2
Start and stop conditions . . . . . . . . . . . . . . . . 13
8.3
System configuration . . . . . . . . . . . . . . . . . . . 14
8.4
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.5
I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 15
8.5.1
Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.5.2
Clock/calendar read/write cycles . . . . . . . . . . 15
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 17
10
Static characteristics. . . . . . . . . . . . . . . . . . . . 17
11
Dynamic characteristics . . . . . . . . . . . . . . . . . 20
12
Application information. . . . . . . . . . . . . . . . . . 21
12.1
Quartz frequency adjustment . . . . . . . . . . . . . 22
12.1.1
Method 1: fixed OSCI capacitor . . . . . . . . . . . 22
12.1.2
Method 2: OSCI trimmer. . . . . . . . . . . . . . . . . 22
12.1.3
Method 3: OSCO output . . . . . . . . . . . . . . . . . 22
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 23
14
Handling information. . . . . . . . . . . . . . . . . . . . 27
15
Soldering of SMD packages . . . . . . . . . . . . . . 27
15.1
Introduction to soldering . . . . . . . . . . . . . . . . . 27
15.2
Wave and reflow soldering . . . . . . . . . . . . . . . 27
15.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 27
15.4
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 28
16
Revision history . . . . . . . . . . . . . . . . . . . . . . . 30
17
Legal information . . . . . . . . . . . . . . . . . . . . . . 31
17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 31
17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
17.3
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
17.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 31
18
Contact information . . . . . . . . . . . . . . . . . . . . 31
19
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32



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