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UM10729

All information provided in this document is subject to legal disclaimers.

© NXP Semiconductors B.V. 2017. All rights reserved.

User manual

Rev. 2 — 1 August 2017 

23 of 24

NXP Semiconductors

UM10729

PCA9955A/B demonstration board OM13483

13. Legal information

13.1 Definitions

Draft — 

The document is a draft version only. The content is still under 

internal review and subject to formal approval, which may result in 
modifications or additions. NXP Semiconductors does not give any 
representations or warranties as to the accuracy or completeness of 
information included herein and shall have no liability for the consequences of 
use of such information.

13.2 Disclaimers

Limited warranty and liability — 

Information in this document is believed to 

be accurate and reliable. However, NXP Semiconductors does not give any 
representations or warranties, expressed or implied, as to the accuracy or 
completeness of such information and shall have no liability for the 
consequences of use of such information. NXP Semiconductors takes no 
responsibility for the content in this document if provided by an information 
source outside of NXP Semiconductors.

In no event shall NXP Semiconductors be liable for any indirect, incidental, 
punitive, special or consequential damages (including - without limitation - lost 
profits, lost savings, business interruption, costs related to the removal or 
replacement of any products or rework charges) whether or not such 
damages are based on tort (including negligence), warranty, breach of 
contract or any other legal theory. 

Notwithstanding any damages that customer might incur for any reason 
whatsoever, NXP Semiconductors’ aggregate and cumulative liability towards 
customer for the products described herein shall be limited in accordance 
with the 

Terms and conditions of commercial sale

 of NXP Semiconductors.

Right to make changes — 

NXP Semiconductors reserves the right to make 

changes to information published in this document, including without 
limitation specifications and product descriptions, at any time and without 
notice. This document supersedes and replaces all information supplied prior 
to the publication hereof.

Suitability for use — 

NXP Semiconductors products are not designed, 

authorized or warranted to be suitable for use in life support, life-critical or 
safety-critical systems or equipment, nor in applications where failure or 
malfunction of an NXP Semiconductors product can reasonably be expected 
to result in personal injury, death or severe property or environmental 
damage. NXP Semiconductors and its suppliers accept no liability for 
inclusion and/or use of NXP Semiconductors products in such equipment or 
applications and therefore such inclusion and/or use is at the customer’s own 
risk.

Applications — 

Applications that are described herein for any of these 

products are for illustrative purposes only. NXP Semiconductors makes no 
representation or warranty that such applications will be suitable for the 
specified use without further testing or modification. 

Customers are responsible for the design and operation of their applications 
and products using NXP Semiconductors products, and NXP Semiconductors 
accepts no liability for any assistance with applications or customer product 

design. It is customer’s sole responsibility to determine whether the NXP 
Semiconductors product is suitable and fit for the customer’s applications and 
products planned, as well as for the planned application and use of 
customer’s third party customer(s). Customers should provide appropriate 
design and operating safeguards to minimize the risks associated with their 
applications and products. 

NXP Semiconductors does not accept any liability related to any default, 
damage, costs or problem which is based on any weakness or default in the 
customer’s applications or products, or the application or use by customer’s 
third party customer(s). Customer is responsible for doing all necessary 
testing for the customer’s applications and products using NXP 
Semiconductors products in order to avoid a default of the applications and 
the products or of the application or use by customer’s third party 
customer(s). NXP does not accept any liability in this respect.

Export control — 

This document as well as the item(s) described herein 

may be subject to export control regulations. Export might require a prior 
authorization from competent authorities.

Evaluation products — 

This product is provided on an “as is” and “with all 

faults” basis for evaluation purposes only. NXP Semiconductors, its affiliates 
and their suppliers expressly disclaim all warranties, whether express, implied 
or statutory, including but not limited to the implied warranties of 
non-infringement, merchantability and fitness for a particular purpose. The 
entire risk as to the quality, or arising out of the use or performance, of this 
product remains with customer.

In no event shall NXP Semiconductors, its affiliates or their suppliers be liable 
to customer for any special, indirect, consequential, punitive or incidental 
damages (including without limitation damages for loss of business, business 
interruption, loss of use, loss of data or information, and the like) arising out 
the use of or inability to use the product, whether or not based on tort 
(including negligence), strict liability, breach of contract, breach of warranty or 
any other theory, even if advised of the possibility of such damages. 

Notwithstanding any damages that customer might incur for any reason 
whatsoever (including without limitation, all damages referenced above and 
all direct or general damages), the entire liability of NXP Semiconductors, its 
affiliates and their suppliers and customer’s exclusive remedy for all of the 
foregoing shall be limited to actual damages incurred by customer based on 
reasonable reliance up to the greater of the amount actually paid by customer 
for the product or five dollars (US$5.00). The foregoing limitations, exclusions 
and disclaimers shall apply to the maximum extent permitted by applicable 
law, even if any remedy fails of its essential purpose.

Translations — 

A non-English (translated) version of a document is for 

reference only. The English version shall prevail in case of any discrepancy 
between the translated and English versions.

13.3 Trademarks

Notice: All referenced brands, product names, service names and trademarks 
are the property of their respective owners.

I

2

C-bus  — 

logo is a trademark of NXP Semiconductors N.V.

Содержание PCA9955A

Страница 1: ...tract The OM13483 is an add on to 9 pin connector of the NXP I2C demo board 2005 1 or Fm I2C bus development board This daughter board makes it easy to test and design with the PCA9955A B a 16 channel...

Страница 2: ...ust 2017 2 of 24 Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com NXP Semiconductors UM10729 PCA9955A B...

Страница 3: ...he capabilities of the PCA9955A B On board four white and four RGB LEDs for visual experience Convenient test points for easy scope measurements and signal access USB interface to the host PC No exter...

Страница 4: ...Win I2CUSB Lite software from The Boardshop runs on Windows 98SE ME 2000 and XP and is compatible with any PC hardware having a minimum of a Pentium processor and a USB port The software allows the us...

Страница 5: ...ct to legal disclaimers NXP Semiconductors B V 2017 All rights reserved User manual Rev 2 1 August 2017 5 of 24 NXP Semiconductors UM10729 PCA9955A B demonstration board OM13483 Fig 1 PCA9955A B demo...

Страница 6: ...60 Fm I2C bus development board should be disconnected from your PC before mounting the OM13483 board onto it The OM13483 board has a 9 pin female connector CON2 that connects to the CN2 male connecto...

Страница 7: ...ard should be disconnected from your PC before connecting the OM13483 board on to it The OM13483 board has a 14 pin male connector CON4 that connects to the 14 pin male connector J1 on the Win I2CUSB...

Страница 8: ...s demo board CON4 14 pin male connector is connected to J1 on Win I2CUSB hardware board as I2C bus master device to drive this demo board J1 selects VDD power for PCA9955A B connected 1 2 for VDD 5 V...

Страница 9: ...resistor required for PCU9955A J5 2 pin Short Short connect VDD pin 28 to PCA9955A B Open connect current meter to measure the IDD on PCA9955A B J6 2 pin Open Short force RESET pin 25 to GND Open 10...

Страница 10: ...l 20 V input for LEDs supply voltage The J13 is open to supply this 20 V voltage to all LEDs J24 2 pin GND External GND input for LEDs supply voltage J25 J27 J29 J31 2 pin Short These jumpers are used...

Страница 11: ...d to about 1 0 ounce copper Green LED for Vdd indicator open to measure the U1 current open no PU for PCU9955A 1 2 normal I2C or SPI addressable 2 3 SPI daisy chain SPI_SCLK SPI_SCLK SPI_SDI Pins 5 9...

Страница 12: ...channels LED 0 3 and last four channels LED 12 15 LED voltage select OPEN use external voltage 1 2 internal 3 3V 2 3 internal 5V LED15 open test ouput current measurement LED12 short test RGB4 R G B R...

Страница 13: ...ess is set to 0x02 on J7 J9 and J10 set AD 0 2 GND for PCA9955A B demo board When you have correctly installed the software and the demonstration board hardware is connected and recognized by the comp...

Страница 14: ...rt Mode Data File 00 Write Yes 0 06 Comments SW reset 02 Write Yes 0 45 80 Comments write IREFALL to 80h 225 uA x 128 28 8 mA per channel 02 Write Yes 500 82 01 01 01 01 Comments start write LEDOUTx r...

Страница 15: ...Comments write GRPPWM 80h for duty cycle ON OFF ratio in 50 and GRPFREQ 02h 131 ms for blinking period 02 Write Yes 2000 86 A0 02 Comments write GRPPWM C0h for duty cycle ON OFF ratio in 62 5 and GRPF...

Страница 16: ...ax in IREF0 IREF1 02 Write Yes 50 02 05 Comments set LED0 and LED1 are fully ON 02 Write Yes 1 01 11 Comments Clear all error status bits in EFLAGn registers by writing bit4 1 in MODE2 02 Read Yes 0 0...

Страница 17: ...is subject to legal disclaimers NXP Semiconductors B V 2017 All rights reserved User manual Rev 2 1 August 2017 17 of 24 NXP Semiconductors UM10729 PCA9955A B demonstration board OM13483 Fig 9 Exampl...

Страница 18: ...ardware as described in Section 4 3 All jumpers are in default setting and device address is set to 0x02 on J7 J9 and J10 set AD 0 2 GND for PCA9955A B demo board When you have correctly installed the...

Страница 19: ...EDOUTx register to turn on blue LEDs 02 Write Yes 300 82 01 00 00 00 Comments start write LEDOUTx register to turn on white LEDs 02 Write Yes 300 82 00 05 00 00 Comments start write LEDOUTx register t...

Страница 20: ...C9 78 00 00 00 00 00 00 00 00 00 00 00 00 55 55 00 00 00 00 03 Comments set group0 in continuous mode IREF_GRP 240x225 27mA 60 step 64ms 450ua per step ramp up dn time 3 9s hold on off 0 25s 02 Write...

Страница 21: ...disclaimers NXP Semiconductors B V 2017 All rights reserved User manual Rev 2 1 August 2017 21 of 24 NXP Semiconductors UM10729 PCA9955A B demonstration board OM13483 Fig 11 Message data in Expert mod...

Страница 22: ...LED driver Product data sheet NXP Semiconductors www nxp com documents data_sheet PCA9955A pdf 2 UM10206 I2C Demonstration Board 2005 1 Quick Start Guide NXP Semiconductors www nxp com documents user_...

Страница 23: ...iconductors products and NXP Semiconductors accepts no liability for any assistance with applications or customer product design It is customer s sole responsibility to determine whether the NXP Semic...

Страница 24: ...equirements 3 3 4 Power requirements 3 4 Installation 4 4 1 I2C demo board 2005 1 and Win I2CUSB Lite software 4 4 2 OM13483 connection to I2C demo board 2005 1 4 4 3 OM13483 connection to Fm I2C bus...

Страница 25: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information NXP OM13483UL...

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