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PCA9535A 查看數據表(PDF) - NXP Semiconductors.

零件编号
产品描述 (功能)
生产厂家
PCA9535A Datasheet PDF : 38 Pages
First Prev 31 32 33 34 35 36 37 38
NXP Semiconductors
PCA9535A
Low-voltage 16-bit I2C-bus I/O port with interrupt
23. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1 21.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 36
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1 21.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 2 21.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2 21.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 22
Contact information . . . . . . . . . . . . . . . . . . . . 37
5
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3 23
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
6
Functional description . . . . . . . . . . . . . . . . . . . 5
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
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 5
Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pointer register and command byte . . . . . . . . . 5
Input port register pair (00h, 01h) . . . . . . . . . . . 6
Output port register pair (02h, 03h) . . . . . . . . . 6
Polarity inversion register pair (04h, 05h) . . . . . 7
Configuration register pair (06h, 07h) . . . . . . . . 7
I/O port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 9
Interrupt output . . . . . . . . . . . . . . . . . . . . . . . . . 9
7
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . . 9
7.1
Writing to the port registers. . . . . . . . . . . . . . . . 9
7.2
Reading the port registers . . . . . . . . . . . . . . . 11
8
Application design-in information . . . . . . . . . 14
8.1
Minimizing IDD when the I/Os are used to
control LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.2
Power-on reset requirements . . . . . . . . . . . . . 15
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 17
10
Recommended operating conditions. . . . . . . 17
11
Thermal characteristics . . . . . . . . . . . . . . . . . 17
12
Static characteristics. . . . . . . . . . . . . . . . . . . . 18
12.1
Typical characteristics . . . . . . . . . . . . . . . . . . 20
13
Dynamic characteristics . . . . . . . . . . . . . . . . . 24
14
Parameter measurement information . . . . . . 25
15
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 28
16
Handling information. . . . . . . . . . . . . . . . . . . . 30
17
Soldering of SMD packages . . . . . . . . . . . . . . 30
17.1
Introduction to soldering . . . . . . . . . . . . . . . . . 30
17.2
Wave and reflow soldering . . . . . . . . . . . . . . . 30
17.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 30
17.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 31
18
Soldering: PCB footprints. . . . . . . . . . . . . . . . 33
19
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 35
20
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 35
21
Legal information. . . . . . . . . . . . . . . . . . . . . . . 36
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. 2012.
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: 11 September 2012
Document identifier: PCA9535A

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