OM6281 NXP Semiconductors, OM6281 Datasheet - Page 16

• Manufacturer Part Number: OM6281
• Description: DAUGHTER CARD PCA9698 FOR OM6275
• Manufacturer: NXP Semiconductors

Specifications of OM6281

• Main Purpose: Interface, GPIO Expander
• Embedded: No
• Utilized Ic / Part: OM6275, PCA9698
• Primary Attributes: 40-Bit 40-Port GPIO Expander
• Secondary Attributes: I²C Interface
• Interface Type: I2C
• For Use With/related Products: PCA9698
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

NXP Semiconductors
13. Contents
1
2
3
3.1
3.2
3.3
3.4
4
4.1
4.2
5
6
7
8
8.1
8.2
8.2.1
8.2.2
9
9.1
9.2
10
11
12
12.1
12.2
12.3
13
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Hardware description . . . . . . . . . . . . . . . . . . . . 5
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
OM6281 demonstration board
main components . . . . . . . . . . . . . . . . . . . . . . . 8
PCA9698 evaluation steps . . . . . . . . . . . . . . . . 8
Application specific: LED blinking and
dimming with the PCA9530 and the
PCA9698 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 13
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Legal information. . . . . . . . . . . . . . . . . . . . . . . 15
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Static handling requirements . . . . . . . . . . . . . . 3
Minimum system requirements. . . . . . . . . . . . . 3
Power requirements . . . . . . . . . . . . . . . . . . . . . 3
I
software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
OM6281 connection to I
Controlling LEDs using GPIO output . . . . . . . . 8
GPIO input . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Polling mode . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Interrupt mode . . . . . . . . . . . . . . . . . . . . . . . . 10
Theory of operation . . . . . . . . . . . . . . . . . . . . 10
Blinking/dimming with the PCA9530
demonstration steps . . . . . . . . . . . . . . . . . . . . 12
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2
C 2005-1 board and WIN-12CUSB Lite
2
C 2005-1 board . . . . . 4
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]
PCA9698 demonstration board OM6281
Date of release: 24 September 2008
Document identifier: UM10267_1
UM10267
All rights reserved.