pca9575 NXP Semiconductors, pca9575 Datasheet - Page 37

• Manufacturer Part Number: pca9575
• Description: 16-bit I2c-bus And Smbus, Level Translating, Low Voltage Gpio With Reset And Interrupt
• Manufacturer: NXP Semiconductors

NXP Semiconductors
22. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
7.6.7
7.6.8
7.6.9
7.6.10
7.6.11
7.6.12
7.6.13
7.6.14
7.6.15
7.6.16
7.7
7.8
7.9
7.10
7.11
8
8.1
8.1.1
8.2
8.3
9
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 6
Functional description . . . . . . . . . . . . . . . . . . . 8
Characteristics of the I
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 22
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 7
I/O ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 8
Command register . . . . . . . . . . . . . . . . . . . . . . 9
Register definitions . . . . . . . . . . . . . . . . . . . . . . 9
Writing to port registers . . . . . . . . . . . . . . . . . . 9
Reading the port registers . . . . . . . . . . . . . . . 10
Register 0 - Input port 0 register. . . . . . . . . . . 10
Register 1 - Input port 1 register. . . . . . . . . . . 10
Register 2 - Polarity inversion port 0 register . 11
Register 3 - Polarity inversion port 1 register . 11
Register 4 - Bus-hold/pull-up/pull-down
enable 0 register . . . . . . . . . . . . . . . . . . . . . . . 12
Register 5 - Bus-hold/pull-up/pull-down
enable 1 register . . . . . . . . . . . . . . . . . . . . . . . 13
Register 6 - Pull-up/pull-down select port 0
register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Register 7 - Pull-up/pull-down select port 1
register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Register 8 - Configuration port 0 register . . . . 15
Register 9 - Configuration port 1 register . . . . 15
Register 10 - Output port 0 register . . . . . . . . 16
Register 11 - Output port 1 register . . . . . . . . 16
Register 12 - Interrupt mask port 0 register . . 17
Register 13 - Interrupt mask port 1 register . . 17
Register 14 - Interrupt status port 0 register. . 18
Register 15 - Interrupt status port 1 register. . 18
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 18
RESET input . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Software reset. . . . . . . . . . . . . . . . . . . . . . . . . 19
Interrupt output (INT) . . . . . . . . . . . . . . . . . . . 19
Standby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
START and STOP conditions . . . . . . . . . . . . . 20
System configuration . . . . . . . . . . . . . . . . . . . 20
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 21
2
C-bus. . . . . . . . . . . . . 20
16-bit I
2
C-bus and SMBus, level translating, low voltage GPIO
10
11
12
13
14
15
16
17
17.1
17.2
17.3
17.4
18
19
20
20.1
20.2
20.3
20.4
21
22
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. 2008.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Application design-in information . . . . . . . . . 24
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 24
Static characteristics . . . . . . . . . . . . . . . . . . . 25
Dynamic characteristics . . . . . . . . . . . . . . . . . 26
Test information. . . . . . . . . . . . . . . . . . . . . . . . 28
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 29
Handling information . . . . . . . . . . . . . . . . . . . 32
Soldering of SMD packages . . . . . . . . . . . . . . 32
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 34
Revision history . . . . . . . . . . . . . . . . . . . . . . . 35
Legal information . . . . . . . . . . . . . . . . . . . . . . 36
Contact information . . . . . . . . . . . . . . . . . . . . 36
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Introduction to soldering. . . . . . . . . . . . . . . . . 32
Wave and reflow soldering . . . . . . . . . . . . . . . 32
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 32
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 33
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 36
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Document identifier: PCA9575_1
Date of release: 2 October 2008
PCA9575
All rights reserved.