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PCA9542A 데이터 시트보기 (PDF) - NXP Semiconductors.

부품명
상세내역
제조사
PCA9542A Datasheet PDF : 22 Pages
First Prev 21 22
NXP Semiconductors
PCA9542A
2-channel I2C-bus multiplexer and interrupt logic
18. Contents
1
2
3
3.1
4
5
5.1
5.2
6
6.1
6.2
6.2.1
6.3
6.4
6.5
7
7.1
7.2
7.3
7.4
7.5
8
9
10
11
12
13
13.1
13.2
13.3
13.4
14
15
16
16.1
16.2
16.3
16.4
17
18
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Device addressing . . . . . . . . . . . . . . . . . . . . . . 4
Control register . . . . . . . . . . . . . . . . . . . . . . . . . 4
Control register definition . . . . . . . . . . . . . . . . . 4
Interrupt handling . . . . . . . . . . . . . . . . . . . . . . . 5
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 5
Voltage translation . . . . . . . . . . . . . . . . . . . . . . 6
Characteristics of the I2C-bus. . . . . . . . . . . . . . 7
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
START and STOP conditions . . . . . . . . . . . . . . 7
System configuration . . . . . . . . . . . . . . . . . . . . 7
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . . 9
Application design-in information . . . . . . . . . . 9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 10
Static characteristics. . . . . . . . . . . . . . . . . . . . 11
Dynamic characteristics . . . . . . . . . . . . . . . . . 13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 15
Soldering of SMD packages . . . . . . . . . . . . . . 17
Introduction to soldering . . . . . . . . . . . . . . . . . 17
Wave and reflow soldering . . . . . . . . . . . . . . . 17
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 17
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 18
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 20
Legal information. . . . . . . . . . . . . . . . . . . . . . . 21
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 21
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Contact information. . . . . . . . . . . . . . . . . . . . . 21
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© 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: 24 November 2008
Document identifier: PCA9542A_3

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