pca9674a NXP Semiconductors, pca9674a Datasheet - Page 34

• Manufacturer Part Number: pca9674a
• Description: Remote 8-bit I/o Expander For Fm+ I2c-bus With Interrupt
• Manufacturer: 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
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
16.2.1
16.2.2
16.3
16.3.1
16.3.2
16.3.3
16.4
17
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 6
I/O programming . . . . . . . . . . . . . . . . . . . . . . . 13
Characteristics of the I
Application design-in information . . . . . . . . . 18
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 19
Static characteristics. . . . . . . . . . . . . . . . . . . . 20
Dynamic characteristics . . . . . . . . . . . . . . . . . 21
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 23
Handling information. . . . . . . . . . . . . . . . . . . . 28
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 6
Address maps. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Software Reset Call, and device ID addresses 10
Software Reset . . . . . . . . . . . . . . . . . . . . . . . . 11
Device ID (PCA9674/74A ID field) . . . . . . . . . 12
Quasi-bidirectional I/O architecture . . . . . . . . 13
Writing to the port (Output mode) . . . . . . . . . . 13
Reading from a port (Input mode) . . . . . . . . . 14
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 15
Interrupt output (INT) . . . . . . . . . . . . . . . . . . . 15
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
START and STOP conditions . . . . . . . . . . . . . 16
System configuration . . . . . . . . . . . . . . . . . . . 16
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 17
Bidirectional I/O expander applications . . . . . 18
High current-drive load applications . . . . . . . . 18
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Through-hole mount packages . . . . . . . . . . . . 28
Soldering by dipping or by solder wave . . . . . 28
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 28
Surface mount packages . . . . . . . . . . . . . . . . 28
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 28
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 30
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 30
Package related soldering information . . . . . . 30
2
C-bus. . . . . . . . . . . . . 16
Remote 8-bit I/O expander for Fm+ I
18
19
19.1
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. 2006.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Revision history . . . . . . . . . . . . . . . . . . . . . . . 32
Legal information . . . . . . . . . . . . . . . . . . . . . . 33
Contact information . . . . . . . . . . . . . . . . . . . . 33
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 33
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 33
PCA9674/74A
Document identifier: PCA9674_PCA9674A_2
2
C-bus with interrupt
Date of release: 12 October 2006
All rights reserved.