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PCF8593T датащи(PDF) 35 Page - NXP Semiconductors

номер детали PCF8593T
подробное описание детали  Low power clock and calendar
PDF  35 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8593T датащи(HTML) 35 Page - NXP Semiconductors

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NXP Semiconductors
PCF8593
Low power clock and calendar
© NXP B.V. 2010.
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: 6 October 2010
Document identifier: PCF8593
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 and benefits . . . . . . . . . . . . . . . . . . . . 1
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 1
4
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Functional description . . . . . . . . . . . . . . . . . . . 4
7.1
Counter function modes . . . . . . . . . . . . . . . . . . 4
7.2
Alarm function modes . . . . . . . . . . . . . . . . . . . . 4
7.3
Control and status register . . . . . . . . . . . . . . . . 5
7.4
Counter registers . . . . . . . . . . . . . . . . . . . . . . . 6
7.5
Alarm control register . . . . . . . . . . . . . . . . . . . . 8
7.6
Alarm registers . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.7
Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7.8
Event counter mode . . . . . . . . . . . . . . . . . . . . 11
7.9
Interrupt control . . . . . . . . . . . . . . . . . . . . . . . 12
7.10
Oscillator and divider . . . . . . . . . . . . . . . . . . . 12
7.10.1
Designing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.11
Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8
Characteristics of the I2C-bus . . . . . . . . . . . . 14
8.1
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 14
8.1.1
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.1.2
Start and stop conditions . . . . . . . . . . . . . . . . 14
8.1.3
System configuration . . . . . . . . . . . . . . . . . . . 14
8.1.4
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.2
I2C-bus protocol . . . . . . . . . . . . . . . . . . . . . . . 16
8.2.1
Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8.2.2
Clock and calendar READ or WRITE cycles . 16
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 18
10
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 19
10.1
Static characteristics . . . . . . . . . . . . . . . . . . . . 19
10.2
Dynamic characteristics . . . . . . . . . . . . . . . . . 21
11
Application information. . . . . . . . . . . . . . . . . . 23
11.1
Oscillator frequency adjustment . . . . . . . . . . . 23
11.1.1
Method 1: Fixed OSCI capacitor. . . . . . . . . . . 23
11.1.2
Method 2: OSCI trimmer. . . . . . . . . . . . . . . . . 23
11.1.3
Method 3: Direct measurement . . . . . . . . . . . 23
12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 25
13
Soldering of SMD packages . . . . . . . . . . . . . . 27
13.1
Introduction to soldering . . . . . . . . . . . . . . . . . 27
13.2
Wave and reflow soldering . . . . . . . . . . . . . . . 27
13.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 27
13.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 28
14
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 30
15
References. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
16
Revision history . . . . . . . . . . . . . . . . . . . . . . . 32
17
Legal information . . . . . . . . . . . . . . . . . . . . . . 33
17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 33
17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
17.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 33
17.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 34
18
Contact information . . . . . . . . . . . . . . . . . . . . 34
19
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35



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