PCA9672BS NXP [NXP Semiconductors], PCA9672BS Datasheet - Page 27

• Manufacturer Part Number: PCA9672BS
• Description: Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt and reset
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
21. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.1.1
7.2
7.2.1
7.2.2
8
8.1
8.2
8.3
8.4
8.5
8.6
9
9.1
9.1.1
9.2
9.3
10
10.1
10.2
11
12
13
14
15
16
16.1
16.2
16.3
16.4
17
18
19
19.1
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
I/O programming . . . . . . . . . . . . . . . . . . . . . . . . 9
Characteristics of the I
Application design-in information . . . . . . . . . 14
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 15
Static characteristics. . . . . . . . . . . . . . . . . . . . 15
Dynamic characteristics . . . . . . . . . . . . . . . . . 17
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 19
Handling information. . . . . . . . . . . . . . . . . . . . 22
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 25
Legal information. . . . . . . . . . . . . . . . . . . . . . . 26
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 5
Address map. . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Software Reset Call, and device ID
addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Software Reset . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device ID (PCA9672 ID field) . . . . . . . . . . . . . . 8
Quasi-bidirectional I/O architecture . . . . . . . . . 9
Writing to the port (Output mode) . . . . . . . . . . . 9
Reading from a port (Input mode) . . . . . . . . . 10
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 11
Interrupt output (INT) . . . . . . . . . . . . . . . . . . . 11
RESET input . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
START and STOP conditions . . . . . . . . . . . . . 12
System configuration . . . . . . . . . . . . . . . . . . . 12
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 13
Bidirectional I/O expander applications . . . . . 14
High current-drive load applications . . . . . . . . 14
Introduction to soldering . . . . . . . . . . . . . . . . . 22
Wave and reflow soldering . . . . . . . . . . . . . . . 22
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 22
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 23
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 26
2
C-bus. . . . . . . . . . . . . 12
Remote 8-bit I/O expander for Fm+ I
19.2
19.3
19.4
20
21
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. 2007.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Contact information . . . . . . . . . . . . . . . . . . . . 26
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2
C-bus with interrupt and reset
Document identifier: PCA9672_2
PCA9672
Date of release: 6 July 2007
All rights reserved.