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PCA9535HF Ver la hoja de datos (PDF) - NXP Semiconductors.

Número de pieza
componentes Descripción
Fabricante
PCA9535HF Datasheet PDF : 34 Pages
First Prev 31 32 33 34
NXP Semiconductors
PCA9535; PCA9535C
16-bit I2C-bus and SMBus, low power I/O port with interrupt
20. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1 18.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 32
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1 18.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 2 18.3
3.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2 18.4
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4 19
Contact information . . . . . . . . . . . . . . . . . . . . 33
5
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5 20
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
6
Functional description . . . . . . . . . . . . . . . . . . . 7
6.1
6.2
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.3
6.4
6.5
6.5.1
6.5.2
6.5.3
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 7
Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Command byte . . . . . . . . . . . . . . . . . . . . . . . . . 7
Registers 0 and 1: Input port registers . . . . . . . 8
Registers 2 and 3: Output port registers. . . . . . 8
Registers 4 and 5: Polarity Inversion registers . 8
Registers 6 and 7: Configuration registers . . . . 9
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 9
I/O port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 10
Writing to the port registers. . . . . . . . . . . . . . . 10
Reading the port registers . . . . . . . . . . . . . . . 13
Interrupt output . . . . . . . . . . . . . . . . . . . . . . . . 16
7
Characteristics of the I2C-bus . . . . . . . . . . . . 16
7.1
7.1.1
7.2
7.3
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
START and STOP conditions . . . . . . . . . . . . . 16
System configuration . . . . . . . . . . . . . . . . . . . 17
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 17
8
Application design-in information . . . . . . . . . 18
8.1
Minimizing IDD when the I/Os are used to control
LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 19
10
Static characteristics. . . . . . . . . . . . . . . . . . . . 20
11
Dynamic characteristics . . . . . . . . . . . . . . . . . 21
12
Test information . . . . . . . . . . . . . . . . . . . . . . . . 23
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 24
14
Handling information. . . . . . . . . . . . . . . . . . . . 28
15
Soldering of SMD packages . . . . . . . . . . . . . . 28
15.1
Introduction to soldering . . . . . . . . . . . . . . . . . 28
15.2
Wave and reflow soldering . . . . . . . . . . . . . . . 28
15.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 28
15.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 29
16
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 30
17
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 31
18
Legal information. . . . . . . . . . . . . . . . . . . . . . . 32
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP Semiconductors N.V. 2017.
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: 7 November 2017
Document identifier: PCA9535_PCA9535C

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