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PCA9535CD Datasheet(PDF) 32 Page - NXP Semiconductors

Part # PCA9535CD
Description  16-bit I2C-bus and SMBus, low power I/O port with interrupt
PDF  32 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9535CD Datasheet(HTML) 32 Page - NXP Semiconductors

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NXP Semiconductors
PCA9535; PCA9535C
16-bit I2C-bus and SMBus, low power I/O port with interrupt
© NXP B.V. 2007.
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: 4 October 2007
Document identifier: PCA9535_PCA9535C_3
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
20. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
3.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
5.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
6
Functional description . . . . . . . . . . . . . . . . . . . 6
6.1
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.2
Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.2.1
Command byte . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.2.2
Registers 0 and 1: Input port registers . . . . . . . 7
6.2.3
Registers 2 and 3: Output port registers. . . . . . 7
6.2.4
Registers 4 and 5: Polarity Inversion registers . 7
6.2.5
Registers 6 and 7: Configuration registers . . . . 8
6.3
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.4
I/O port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.5
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . . 9
6.5.1
Writing to the port registers . . . . . . . . . . . . . . . 9
6.5.2
Reading the port registers . . . . . . . . . . . . . . . 11
6.5.3
Interrupt output . . . . . . . . . . . . . . . . . . . . . . . . 14
7
Characteristics of the I2C-bus. . . . . . . . . . . . . 14
7.1
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.1.1
START and STOP conditions . . . . . . . . . . . . . 14
7.2
System configuration . . . . . . . . . . . . . . . . . . . 15
7.3
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 15
8
Application design-in information . . . . . . . . . 16
8.1
Minimizing IDD when the I/Os are used
to control LEDs . . . . . . . . . . . . . . . . . . . . . . . . 17
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 17
10
Static characteristics. . . . . . . . . . . . . . . . . . . . 18
11
Dynamic characteristics . . . . . . . . . . . . . . . . . 19
12
Test information . . . . . . . . . . . . . . . . . . . . . . . . 21
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 22
14
Handling information. . . . . . . . . . . . . . . . . . . . 26
15
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
15.1
Introduction to soldering . . . . . . . . . . . . . . . . . 26
15.2
Wave and reflow soldering . . . . . . . . . . . . . . . 26
15.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 26
15.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 27
16
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 28
17
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 29
18
Legal information. . . . . . . . . . . . . . . . . . . . . . . 31
18.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 31
18.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
18.3
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
18.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 31
19
Contact information . . . . . . . . . . . . . . . . . . . . 31
20
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32



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