PCA9555PW NXP Semiconductors, PCA9555PW Datasheet - Page 34

• Manufacturer Part Number: PCA9555PW
• Description: IC, I2C-BUS AND SMBUS I/O PORT, TSSOP24
• Manufacturer: NXP Semiconductors

Specifications of PCA9555PW

• Chip Configuration: 16 Bit
• Bus Frequency: 400kHz
• Ic Interface Type: I2C
• No. Of I/o's: 16
• Supply Voltage Range: 2.3V To 5.5V
• Digital Ic Case Style: TSSOP
• No. Of Pins: 24
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
21. Contents
1
2
3
3.1
4
5
5.1
5.2
6
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
7
7.1
7.1.1
7.2
7.3
8
9
10
11
12
13
14
15
15.1
15.2
15.3
15.4
16
16.1
16.2
16.3
16.4
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 6
Characteristics of the I
Application design-in information . . . . . . . . . 16
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 17
Static characteristics. . . . . . . . . . . . . . . . . . . . 18
Dynamic characteristics . . . . . . . . . . . . . . . . . 20
Test information . . . . . . . . . . . . . . . . . . . . . . . . 21
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 22
Handling information. . . . . . . . . . . . . . . . . . . . 28
Soldering of SMD packages . . . . . . . . . . . . . . 28
Soldering of through-hole mount packages . 30
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
Device address . . . . . . . . . . . . . . . . . . . . . . . . . 6
Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Command byte . . . . . . . . . . . . . . . . . . . . . . . . . 6
Registers 0 and 1: Input port registers . . . . . . . 7
Registers 2 and 3: Output port registers. . . . . . 7
Registers 4 and 5: Polarity Inversion registers . 7
Registers 6 and 7: Configuration registers . . . . 8
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 8
I/O port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . . 9
Writing to the port registers . . . . . . . . . . . . . . . 9
Reading the port registers . . . . . . . . . . . . . . . 11
Interrupt output . . . . . . . . . . . . . . . . . . . . . . . . 14
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
START and STOP conditions . . . . . . . . . . . . . 14
System configuration . . . . . . . . . . . . . . . . . . . 15
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 15
Introduction to soldering . . . . . . . . . . . . . . . . . 28
Wave and reflow soldering . . . . . . . . . . . . . . . 28
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 28
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 29
Introduction to soldering through-hole mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Soldering by dipping or by solder wave . . . . . 30
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 30
Package related soldering information . . . . . . 31
2
C-bus. . . . . . . . . . . . . 14
17
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. 2009.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
16-bit I
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 31
Revision history . . . . . . . . . . . . . . . . . . . . . . . 32
Legal information . . . . . . . . . . . . . . . . . . . . . . 33
Contact information . . . . . . . . . . . . . . . . . . . . 33
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 33
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2
C-bus and SMBus I/O port with interrupt
Date of release: 22 October 2009
Document identifier: PCA9555_8
PCA9555
All rights reserved.