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NXP Semiconductors 

UM11009 

 

PCA9745B demonstration board OM13524 

UM11009 

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

© NXP Semiconductors N.V. 2016. All rights reserved. 

User manual 

Rev. 1 — 23 June 2016 

25 of 28 

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. 

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. 

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. 

13.3  Trademarks 

Notice: All referenced brands, product names, service names and 

trademarks are property of their respective owners. 
 

 

Содержание OM13524

Страница 1: ...nd White LEDs 16 channel x 8 bit PWMs Abstract The OM13524 demo board is easy to test and design for the PCA9745B a 16 channel SPI 4 wire bus 57 mA constant current and outputs allow up to 20 V for LE...

Страница 2: ...ion provided in this document is subject to legal disclaimers NXP Semiconductors N V 2016 All rights reserved User manual Rev 1 23 June 2016 2 of 28 Contact information For more information please vis...

Страница 3: ...he capabilities of the PCA9745B 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 externa...

Страница 4: ...2000 and XP and is compatible with any PC hardware having a minimum of a Pentium processor and an USB port The software allows the user to select one of the SPI bus driver from a menu and also provide...

Страница 5: ...our PC before connecting the OM13524 PCA9745B demo board on to it The OM13524 board has a 9 pin male connector CON1 that connects to the 14 pin male connector J1 on the Win I2CUSB board using six jump...

Страница 6: ...oard OM13524 UM11009 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2016 All rights reserved User manual Rev 1 23 June 2016 6 of 28 Fig 2 PCA9745B dem...

Страница 7: ...5B demonstration board OM13524 UM11009 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2016 All rights reserved User manual Rev 1 23 June 2016 7 of 28...

Страница 8: ...as external reset signal to RESET pin when J6 is open TP4 can be connected as external output enable signal to OE pin for blinking dimming control when J11 is open All jumpers default setting and fun...

Страница 9: ..._LED1 or RGB_LED1 J12 to control white LED J16 to control Red LED J19 to control Green LED J22 to control Blue LED Open connect current meter to measure one of the LEDs output current or open one of t...

Страница 10: ...used to short the WHT_LED4 or RGB_LED4 J26 to control white LED J28 to control Red LED J32 to control Green LED J30 to control Blue LED Open normal operation for WHT_LED4 and RGB_LED4 Short to short o...

Страница 11: ...stration board OM13524 UM11009 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2016 All rights reserved User manual Rev 1 23 June 2016 11 of 28 6 Schem...

Страница 12: ...ation board main components Table 2 OM13524 demo board main components Device Description LED Location PCA9745B 16 channel SPI bus 57 mA 20V constant current LED driver U1 See Fig 5 PRTR5V0U2AX ESD pr...

Страница 13: ...ardware is correctly connected to the USB port and the computer recognizes it the message Hardware Detected is displayed on the bottom of the window Switched 3 3 V and 5 0 V output power supplies are...

Страница 14: ...DOUT3 55h turn on LEDs 08 55 2000 82 80 Comments write IREFALL 80h 0 0A 55 0 82 00 Comments write IREFALL 00h 0 02 80 1500 82 40 Comments write IREFALL 80h 0 02 00 0 82 00 Comments write IREFALL 00h 0...

Страница 15: ...0 0E 02 2000 0E 03 Comments set GRPFREQ 03 0 0C C0 0 82 00 Comments write IREFALL 00h 0 0E 03 Sequence 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 3 After open the P...

Страница 16: ...OM13524 UM11009 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2016 All rights reserved User manual Rev 1 23 June 2016 16 of 28 Fig 7 Message data in...

Страница 17: ...tration board hardware is connected and recognized by the computer start the Fm development board software As shown in Fig 8 when the demonstration board hardware is correctly connected to the USB por...

Страница 18: ...5 0 52 47 Comments set STEP_TIME_GRP0 50 C3 0 54 D2 Comments set HOLD_CNTL_GRP0 52 47 0 56 80 Comments set IREF_GRP0 54 D2 0 58 C3 Comments set RAMP_RATE_GRP1 56 80 0 5A 47 Comments set STEP_TIME_GRP1...

Страница 19: ...number Msg The action will be performed one time 5 User can program the MOSI Master Out Slave In Data to PCA9745B the first 7 bit is to access the address of register and 8th bit to indicate Read 1 o...

Страница 20: ...1 Comments set LEDOUT3 55h 01h 0 08 55 08 01 800 82 10 82 40 Comments write IREFALL 10h 40h 0 0A 55 0A 01 800 04 01 04 40 Comments set LEDs on 0 04 01 04 40 800 06 01 06 40 Comments set LEDs ON 0 04 0...

Страница 21: ...0 54 D0 82 00 Comments write IREFALL 00h set HOLD_CNTL_GRP0 D0h 0 52 47 02 80 0 56 F0 04 05 Comments set LEDOUT0 05h turn on W_R_G_B LEDs set IREF_GRP0 F0h 0 54 D0 02 00 0 70 11 06 10 Comments set LE...

Страница 22: ...GRAD_MODE_SEL1 FFh 0 70 FF 02 00 0 04 50 06 40 Comments set LEDOUT1 40h LEDOUT0 50h 0 72 FF 04 10 0 06 50 08 00 Comments set LEDOUT2 00h LEDOUT1 50h 0 04 50 06 40 0 08 50 0A 05 Comments set LEDOUT3 05...

Страница 23: ...00 00 0E 01 Sequence 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3 1 32 33 34 35 36 37 38 3 The Fm development board as SPI master drives two PCA9745B de...

Страница 24: ...cription ESD Electro Static Discharge GUI Graphical User Interface I2 C bus Inter integrated Circuit bus IC Integrated Circuit LED Light Emitting Diode MISO Master In Slave Out MOSI Master Out Slave I...

Страница 25: ...s 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 det...

Страница 26: ...745B demo board OM13524 connecting to the WIN I2CUSB board 6 Fig 3 PCA9745B demo board OM13524 7 Fig 4 PCA9745B demo board schematic 11 Fig 5 PCA9745B SPI Daisy Chain LED driver block diagram 12 Fig 6...

Страница 27: ...l information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2016 All rights reserved User manual Rev 1 23 June 2016 27 of 28 15 List of tables Table 1 Jumper setting...

Страница 28: ...Installation 4 4 1 Fm development board and WIN SPIUSB software 4 4 2 OM13524 connection to Fm I2C bus development board 4 4 3 OM13524 connection to WIN I2CUSB hardware adapter board 5 5 Hardware des...

Страница 29: ...ts by NXP manufacturer Other Similar products are found below MAX20444BEVKIT DC871A C MIKROE 2153 MIKROE 1295 FEBFL7733A_L53U021A CY3267 105020073 DC1436A DC1268B A DC1406A DC2013A REFXDPL8221U100WTOB...

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