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PCA2003 Datenblatt(PDF) 21 Page - NXP Semiconductors

Teilenummer PCA2003
Bauteilbeschribung  32 kHz watch circuit with programmable adaptive motor pulse and pulse period
PDF  21 Pages
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Hersteller  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
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NXP Semiconductors
PCA2003
32 kHz watch circuit with programmable adaptive motor pulse
© NXP B.V. 2009.
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 July 2009
Document identifier: PCA2003_2
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
16. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Functional description . . . . . . . . . . . . . . . . . . . 3
7.1
Motor pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7.2
Step detection. . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.3
Time calibration . . . . . . . . . . . . . . . . . . . . . . . . 7
7.4
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.5
Programming possibilities. . . . . . . . . . . . . . . . . 7
7.6
Programming procedure . . . . . . . . . . . . . . . . . 10
7.7
Programming the memory cells . . . . . . . . . . . 11
7.8
Checking memory content . . . . . . . . . . . . . . . 12
7.9
Frequency tuning of assembled watch . . . . . . 13
7.10
Measurement of oscillator frequency and
inhibition time . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.11
Customer testing. . . . . . . . . . . . . . . . . . . . . . . 14
8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 15
9
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 16
10
OTP programming characteristics . . . . . . . . . 17
11
Bare die outline . . . . . . . . . . . . . . . . . . . . . . . . 18
12
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 19
13
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 19
14
Legal information. . . . . . . . . . . . . . . . . . . . . . . 20
14.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 20
14.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
14.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
14.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
15
Contact information. . . . . . . . . . . . . . . . . . . . . 20
16
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21



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