UM10572 - NXP Semiconductors
Contents
1. UM10572 PCA9955 demonstration board OM13330 Rev 1 7 June 2012 User manual Document information Info Content Keywords Fm I2C bus PCA9955 RGB and white LEDs 16 channel x 8 bit PWMs Abstract The OM13330 is an add on to 9 pin connector of the NXP I2C demo board 2005 1 or Fm I C bus development board This daughter board makes it easy to test and design with the PCA9955 a 16 channel Fast mode Plus Fm 57 mA constant current and outputs allow up to 40 V for LED supply These boards along with the Win I2CUSB Lite GUI PC based provide an easy to use evaluation platform NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 Revision history Rev Date Description v 1 20120607 user manual initial release Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 2 of 16 NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 1 Introduction 2 Features The PCA9955 evaluation board features LEDs for color mixing blinking and dimming demonstrations A graphical interface allows the easy exploration of the different functions of the driver The board can be connected in series with o2. 7 June 2012 5 of 16 NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 5 Hardware description RGB White RGB White LED 13 15 LED12 LED 9 11 LEDS J2 14 pin connector NXA ce ci 2 J1 select V 1 2 3 3V o PCASSSS oO EX C Ee a 2 3 5 0V 0113338 S C o A2 J5 5 pin connector J3 5 pin connector J4 9 pin connector to I2C 2005 1 board SWA for A 0 3 White RGB White RGB LEDO LED 1 3 LED4 LED 5 7 Fig 3 _PCA9955 demo board OM13330 Figure 3 shows the following items on the hardware J4 9 pin is for connection to JP1 on I2C demo board 2005 1 J3 and J5 5 pin are for connection to PCA9665 PCU9669 mini boards and cascade the second PCA9955 demo board J1 selects Vpp power for PCA9955 connected 1 2 for Vpp 3 3 V and connected 2 3 for Vpp 25V e SW1 4 position DIP switch to select I C bus address A 0 3 SW1 1 4 for this device default is OxCO all switches are ON position J2 14 pin is for connection to J1 on Win I2CUSB board 4 channel to drive four White LEDs D2 D4 D6 D9 and 12 channel to drive four RGB LEDs D3 D5 D7 D8 J6 J7 and J8 are GND pins for probing use UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 6 of 16 jenuew asn cL0c eunf 7 Ady sJeuire osip jeba o1 12efqns si jue
3. ssleesssee 14 References ssos ooo RR ee 14 Legal information eese 15 Definitions 200 00 eee eee 15 Disclaimers 000000 cee eee eee 15 Trademarks 00 00 e eee eee 15 Conlenls ences le 3m RR Em nin 16 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 2012 All rights reserved For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com Date of release 7 June 2012 Document identifier UM10572
4. reference only The English version shall prevail in case of any discrepancy between the translated and English versions 12 3 Trademarks Notice All referenced brands product names service names and trademarks are the property of their respective owners I C bus logo is a trademark of NXP B V NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 15 of 16 NXP Semiconductors UM10572 13 Contents PCA9955 demonstration board OM13330 3 1 3 2 3 3 3 4 4 1 4 2 4 3 o 8 1 8 2 10 11 12 12 1 12 2 12 3 13 Introduction sllsleseeeses 3 Features cl RR RR xr Rod 3 Getting started Llllul u s 3 Assumptions lle 3 Static handling requirements 3 Minimum system requirements 3 Power requirements 225 3 Installation RR 4 I2C demo board 2005 1 and WIN I2CUSB Lite Conr m ae Reacts ahs a tigate Xi abies evden 4 OM13330 connection to I2C demo board 2005 1 4 OM13330 connection to Win I2CUSB hardware adapter board 5 Hardware description 6 Sch rnialic 2 re LIE ERE ER 7 OM13330 demonstration board main components seeeeeeeenennnn 8 PCA9955 evaluation steps 8 Color mixing and dimming LEDs 8 Color mixing and blinking LEDs 13 Support RID ER I xr x 13 Abbreviations
5. 9 Support For support send an E mail to i2c support nxp com UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 13 of 16 NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 10 Abbreviations Table 2 Abbreviations Acronym Description ESD ElectroStatic Discharge GUI Graphical User Interface I C bus Inter Integrated Circuit bus IC Integrated Circuit LED Light Emitting Diode PC Personal Computer PWM Pulse Width Modulator RAM Random Access Memory RGB Red Green Blue RGBA Red Green Blue Amber SMBus System Management Bus USB Universal Serial Bus 11 References 1 PCA9955 16 channel Fm I2C bus 57 mA constant current LED driver Product data sheet NXP Semiconductors www nxp com documents data sheet PCA9952 PCA9955 pdf 2 UM10206 I2C Demonstration Board 2005 1 Quick Start Guide NXP Semiconductors www nxp com documents user manual UM10206 pdf UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 14 of 16 NXP Semiconductors UM10572 12 Legal information PCA9955 demonstration board OM13330 12 1 Definitions Draft The document is a draft version only The content is still under internal review and subject to formal approval which ma
6. disclaimers 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
7. message Hardware Detected is displayed on the bottom of the window Switched 3 3 V and 5 0 V power supplies are controlled through the Options menu or by double clicking the 3 3 V or 5 0 V symbols on the bottom of the window Power supplies are disabled by default and must be enabled before using the I C bus devices on the board I2C bus frequency is controlled through the Options menu or by double clicking on the frequency symbol on the bottom of the window 8 1 Color mixing and dimming LEDs 1 From the Device drop down menus select LED Blinkers and Dimmers and from the subsequent drop down menu select PCA9955 16 channel Constant Current LED Driver as shown in Figure 5 2 Check the Auto Write On box lower left uncheck the Low power mode oscillator off box to enable the device to Normal mode upper left 3 The device configuration screen is displayed by clicking the following options PWM 0 to 7 individual brightness control for LEDO to LED7 as shown in Figure 6 PWM 8 to 15 individual brightness control for LED8 to LED15 as shown in Figure 7 LEDOUT LED driver output state for LEDO to LED15 as shown in Figure 8 Output Gain LED output current setting for LEDO to LED15 as shown in Figure 9 UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 8 of 16 NXP Sem
8. ED9 bis E 12C master board to drive PCU9955 or LED7 LED8 SCL USCL 1 to from another I2C slave PCA PCU9955 C6 C7 GND demo board PCA9952TW PCA9955TW PCU9955TW TOHF T T 10 9F SDA USDA T 24 V os Lol 45V 5 RESET SDA USDA2 m C8 T SCL USCL2 T 10pF GND GND 45V a 2 m t ii T t t t T t T t T T ii L RD 1 close to 5 pin connector J3 1 e opm m om m m m 2 e e qe m M LEpo A D2 C9 cto Jen Te12 Teis e14 Teis cie Teir Teis Te19 c2o c21 c22 c23 c2a GND 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF O 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF LW E67C white 5V LEDO R15 00 D3 LED 13 Jl J LED1 R600 7 E LED2 Ri7 oo AT 1 P Je Ct C3 G3 BLM18BD471SN1 PRTR5VOU2AX LED3 R18 00 SDA USDA 1 735 SDA USDA filter LED4 R19 oa A2 ASETA E mia BLM18BD471SN1 TA ALS EDET T SCL USCL1 SCL USCL fiter ea 74 D4 470 Q at 100 MHz LED7 R22 00 i A1 Ci LED4 LED8 R23 00 C2 c3 LW E67C white d LED9 R24 00 Haz A3 3 LED10 R25 00 1 D7 LED URTB_G6SG f i LED11 R26 oQ 1 p close to 5 pin connector J5 LED12 R27 4 00 LEDs 4 08 i GND LED13 R28 00 LW E67C white 5V 4 LEDi4 R29 oa i ere cl I c LEDI5 R30 00 isas P i3 Toot ee A1 C1 LED12 409 BLM18BD471SN1 PRTRSVOUZAX C2 c3 1 SDA USDA2 gt SDA USDA filter Fig 4 LW E67C white A2 A3 LRTB_G6SG PCA9955 demo board schematic L4 BL
9. M18BD471SN1 SCLUSCL2 77A SCL_USCL filter 470 Q at 100 MHz 019aac728 9 oneuiauos OSEELINO pJeoq uonensuouiop GGEE6VOd CLSOLINN S10 onpuooiuleS dXN NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 7 OM13330 demonstration board main components Table 1 OM13330 demo board main components Device Description Address LED output Location PCA9955TW 16 channel Fm I2C bus 57 mA OxCO for I2C demo board 2005 1 U1 constant current LED driver interface LW E67C White LED LEDO LED4 LED8 LED12 D2 D4 D6 D9 LRTB G6SG RGB LED LED1 LED2 LED3 D3 LRTB G6SG RGB LED LED5 LED6 LED7 D5 LRTB G6SG RGB LED LED9 LED10 LED11 D7 LRTB_G6SG RGB LED LED13 LED14 LED15 D8 LTST C170KGKT Green LED for PCA9955 power supply D1 either 3 3 V or 5 V indicator 8 PCA9955 evaluation steps The PCA9955 functions are controlled by WIN I2CUSB Lite GUI Refer to the PCA9955 data sheet for additional information on the registers and functionality Connect the hardware as described in Section 4 The PCA9955 demo board address is set to OxCO on SW1 as A 0 3 SW1 1 4 0000 0 ON 1 OFF When you have correctly installed the software and the demonstration board hardware is connected and recognized by the computer start the Win I2CUSB Lite software As shown in Figure 5 when the demonstration board hardware is correctly connected to the USB port and the computer recognizes it the
10. crement All registers C Normal mode C Does not respond to subaddress 1 Does not respond to subaddress 2 LJ Does not respond to subaddress 3 v Responds to All Call addresses Mode 2 0x05 C Temperature O K C Faut test complete C Group control dimming C Outputs changed on STOP Read Subaddresses SUBADRx suBADRi Ec SUBADR3 ec SUBADR2 EC ALLCALLADR Eo Device Address CO Auto Write On ait e All Read AIL Transmission successful PWM3 amp GRPPWM PWM2 amp GRPPWM LED1 PWM1 amp GRPP M si 111414 LED15 off LED14 off LED13 off LED12 off LED11 off LED 10 off LEDS off LEDS off 414444 8 x 44 Hardware Detected Device configuration screen for LEDOUT Fig 9 Mode 1 0x81 Auto Increment All registers C Normal mode C Does not respond to subaddress 1 O Does not respond to subaddress 2 C Does not respond to subaddress 3 v Responds to All Call addresses Mode 2 0x05 C Temperature O K C Fault test complete C Group control dimming C Outputs changed on STOP Read Subaddresses SUBADRx suBapR Ec SUBADR3 Ec SUBADR2 Ec ALLCALLADR E0 Device Address CO Auto Write On write All Read All Transmission successful Pree PWMO to 7 PWM 8 to 15 00 fp LEDOUT Hardware Detected Device configuration screen for LED output current setting All information provided in th
11. e the board is connected connect the USB cable and start the WIN I2CUSB Lite software You are now ready to evaluate the PCA9955 PCA9955 demo board 2 TETETEI o I2C demo board 2005 1 z2 E e oe L USB port to PC 7 Py e Fig 1 PCA9955 demo board OM13330 mounting to the I2C demo board 2005 1 OM6275 UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 4 of 16 NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 4 3 OM13330 connection to Win I2CUSB hardware adapter board The Win I2CUSB board should be disconnected from your PC before connecting the OM13330 board on to it The OM13330 board has a 14 pin male connector J2 that connects to the 14 pin male connector J1 on the Win I2CUSB board as shown in Figure 2 Connect the OM13330 board to the Win I2CUSB board before connecting the USB cable Once the board is connected connect the USB cable and start the WIN I2CUSB Lite software You are now ready to evaluate the PCA9955 Win I2CUSB board USB port to PC o AW E340752 XXe 94V 0 ss 8 g RRREREE PCA9955 demo board Fig 2 _PCA9955 demo board OM13330 connecting to the Win I2CUSB board UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1
12. following 1 In the Mode 2 0x25 selection window middle left check the Group control dimming box to change the mode to Group control blinking To set a blink cycle click the Other configuration screen and move the GRPFREQ bar to select blinking frequency as well as the GRPPWM bar to select the duty cycle see Figure 11 For example set the GRPPWM to 0x52 32 96 duty cycle and the GRPFREQ to 0x0B 0 5 second for a one third duty cycle and blink every half second on D3 RGB LED Change the PWM 1 3 values GRPPWM and GRPFREQ values to create different blink patterns and colors H susaor Ec SUBADR3 feco Fig 11 Example of short blink every half second Win I2CUSB Lite PCA9955 Sixteen bit Constant Current LED _ OX im File Device Options Window Help POESIE PWM 0 to 7 PWM 8 to 15 fp LEDOUT Output Gain a Other Auto Increment All registers C Normal mode Does not respond to subaddress 1 GRPPWM GRPFREQ Does not respond to subaddress 2 0x52 0x08 oFFset 8 1 000 nSeconds Does not respond to subaddress 3 o Responds to All Call addresses de 2 0x25 l Temperature O K Fault test complete Group control blinking Outputs changed on STOP Read Ki CDI EI z o ogoogo Subaddresses SUBADRx SUBADR2 EC ALLCALLADR EO Device Address CO V Auto Write On ee ended Transmission successful
13. iconductors U M1 0572 PCA9955 demonstration board OM13330 Other GRPPWM is group PWM for global brightness control GRPFREQ is group frequency for global blinking control when group control blinking in Mode 2 register PWMALL is brightness control for all LED outputs OFFSET is control LED output delay offset IREFALL is control output current for all LEDs as shown in Figure 10 4 Click the LEDOUT configuration screen and select PWMn amp GRPPWM for LED 1 3 see Figure 8 5 Click the Output Gain configuration screen and adjust the IREF 1 3 0x30 for LED 1 3 output current at 3 8 mA 48 x 80 uA see Figure 9 6 Click the PWM 0 to 7 configuration screen and move the PWM1 red PWM2 green PMW3 blue bars for color mixing see Figure 6 7 Once you set a color on D3 RGB LED with the PWM 1 3 values click the Other configuration screen and move the GRPPWM bar for dimming effect see Figure 10 Win I2CUSB Lite PEE File MESI Options Window Help ADC DAC gt EEPROM d m SAS6004E PCF8574 PCA9536 I O Expanders b kco 0x98 0x40 0x82 PCA9530 2 bit LED Dimmer with 8 bit PWM Master Selector 2 to 1 demux PCA9531 8 bit LED Dimmer with 8 bit PWM Multiplexers Switches Non volatile Registers RAM FRAM i Real Time Clocks PCA9551 8 bit LED Blinker with 8 bit PWM Thermal Management Universal Modes PCA9622 16 bit 100mA 40V LED Driver with 8 bit PWM PCA9624 8 bit 100mA 40V LED Driver w
14. is document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 11 of 16 NXP Semiconductors UM10572 UM10572 PCA9955 demonstration board OM13330 3 Win I2CUSB Lite PCA9955 Sixteen bit Constant Current LED E X M File Device Options Window Help r Mode 1 0x81 34 Auto Increment All registers Cl Normal mode CI Does not respond to subaddress 1 CI Does not respond to subaddress 3 V Responds to All Call addresses Mode 2 0x05 C Temperature O K C Fault test complete C Group control dimming C Outputs changed on STOP Read Subaddresses SUBADRx rl z me suBapR ec sUBADR3 Ec JE Sl SUBADR2 EC ALLCALLADR Eo Device Address co 52 34 0 04 sec Auto Write On C Does not respond to subaddress 2 orrseT 8 2 1 000 nSeconds Transmission successful Hardware Detected Fig 10 Device configuration screen for Other Group and All registers All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 12 of 16 NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 8 2 Color mixing and blinking LEDs To set up a blinking demo repeat step 1 through step 7 as in Section 8 1 then do the
15. ith 8 bit PWM PCA9626 24 bit 100mA 40V LED Driver with 8 bit PWM PCA9632 Low power 4 bit LED Driver with 8 bit PWM PCA9633 4 bit LED Driver with 8 bit PWM PCA9634 8 bit LED Driver with 8 bit PWM PCA9635 16 bit LED Driver with 8 bit PWM PCA9685 16 channel LED Driver with 12 bit PWM PCA9901 One wire single LED driver M PCA9955 16 channel Constant Current LED Driver HW detection Switched power I2C frequency message NS indicators Hardware Detected 3 3 5 0V 1000 kHz Fig 5 Drop down menu selections All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved Rev 1 7 June 2012 9 of 16 NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 Win I2CUSB Lite PCA9955 Sixteen bit Constant Current LED _ OX iB File Device Options Window Help Mode 1 0x81 PWM8 to 15a fp LEDOUT od fr Output Gain coed fms Other ow Auto Increment All registers C Normal mode C Does not respond to subaddress 1 Pwwo PwMi PwM2 PWM3 PwM4 PWMS PWM6 C Does not respond to subaddress 2 0x00 Ox42 0x86 s 0x00 0x00 C Does not respond to subaddress 3 v Responds to All Call addresses Mode 2 0x05 CI Temperature O K O Fault test complete C Group control dimming C Outputs changed on STOP Read Subaddresses SUBADRX SUBADRI Ec SUBADR3 Ec zi ilie suBADR2 Ec ALLCALLADR ro Device Address CO Auto Write O
16. n Write Al Read Al Transmission successful Hardware Detected 25 78 152 34 Fig 6 Device configuration screen for PWM 0 7 i File Device Options Window Help Mode 1 0x81 C PWM 019 2 Auto Increment All registers C Normal mode C Does not respond to subaddress 1 PWMI0 PWM1l PWM13 PWM15 CI Does not respond to subaddress 2 0x00 0x00 0x00 0x00 C Does not respond to subaddress 3 7 Responds to All Call addresses Mode 2 0x05 C Temperature O K C Fault test complete O Group control dimming L tputs changed on STOP Read Subaddresses SUBADRx sueaor c SUBADR3 EC ske aeh sa SUBADR2 EC ALLCALLADR eo eat leat mm 10 0 00 0 00 0 00 0 00 Device Address CO Auto Write On Nites ead Ak Transmission successful Hardware Detected 3 3 0n 5 0VOn Fig 7 Device configuration screen for PWM 8 15 UM10572 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 10 of 16 NXP Semiconductors UM10572 UM10572 PCA9955 demonstration board OM13330 Fig 8 Win I2CUSB Lite PCA9955 Sixteen bit Constant Current LED OX i File Device Options Window Help f amon Big PWM 8 to 15 Jff Output Gain Y ove Mode 1 0x81 Auto In
17. nt capabilities All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 7 June 2012 3 of 16 NXP Semiconductors U M1 0572 PCA9955 demonstration board OM13330 4 Installation 4 1 12C demo board 2005 1 and WIN I2CUSB Lite software The OM13330 is a daughter card to the OM6275 I2C demo board 2005 1 You can download the WIN I2CUSB Lite Software the OM6275 user manual UM10206 and find ordering information at the NXP web site ics nxp com support boards i2c2005 1 The 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 user to select one of the I2C bus devices on the board from a menu and also provides a Universal mode I2C Expert mode to allow users to create their own I2C bus commands with the same I C bus devices 4 2 OM13330 connection to I2C demo board 2005 1 The I2C demo board 2005 1 should be disconnected from your PC before mounting the OM13330 board on to it The OM13330 board has a 9 pin female connector J4 that connects to the JP1 male connector on the 12C demo board 2005 1 as shown in Figure 1 With both boards facing you with USB connector on the right hand side as shown in the Figure 1 connect the OM13330 board to the I2C demo board 2005 1 before connecting the USB cable Onc
18. 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
19. s 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 UM10572 All information provided in this document is subject to legal
20. ther IC bus demo boards to create an evaluation system The IC communicates to the host via the industry standard I C bus SMBus port The evaluation software runs under Microsoft Windows PC platform A complete evaluation platform for the PCA9955 16 channel Fm I C bus constant current LED driver e Easy to use GUI based software demonstrates the capabilities of the PCA9955 On board RGB and White LEDs for visual experience Convenient test points for easy scope measurements and signal access USB interface to the host PC No external power supply required 3 Getting started 3 1 3 2 Assumptions Familiarity with the I2C bus is helpful but not required Static handling requirements CAUTION AN This device is sensitive to ElectroStatic Discharge ESD Therefore care should be taken during transport and handling You must use a ground strap or touch the PC case or other grounded source before unpacking or handling the hardware UM10572 3 3 3 4 Minimum system requirements PC Pentium 60 processor or equivalent 8 MB RAM 10 MB of hard drive space One USB port either 2 0 or 1 1 compatible Windows 98SE ME 2000 XP or Vista 2C demonstration board 2005 1 OM6275 or WIN I2CUSB board from www nxp com redirect demoboard com Power requirements The NXP demonstration board I2C 2005 1 and OM13330 hardware obtain power from the PC USB port Take care to not exceed the USB port curre
21. uinoop siy ui pepivoud uomeuuojur v 9L107 2ZS0 LN pamasa Su Ily ZLOZ A a dXNO J1 3 3 V TIN 5 V 5 pin connector to from PCU9669 UFm I2C master board to drive PCU9955 or to from another I2C slave PCA PCU9955 demo board VDD IN VDD IN J3 14 pin connector to from VP supplies the g g a a 24 V WIN I2CUSB Fm I2C master power to the 12C 2 2 8 8 to drive PCA9952 PCA9955 pull up resistors ISET max 20 4 mA Jig lc RE c SDA USDA 1 J2 on WIN I2CUSB d mS le x 10yF SCL USCL 1 2 VP VDO IN amp 28kQ erg x 4 SCLUSCL 2 i 10 00 SDA_USDA Titer I Le CONN TRBLK5 t Rt1 00 SCL USCL filter ca Foil eva SDA USDA 2 RESET 4 7 uF gt D1 dpi LI ji GND s Ms LTST C170KGKT LEDO LED15 ec 2 E A 3 3V 5V gig BU Ss Te output enable LED Lo ee 5 2 Y 9 pin connector to from I2C 2005 1 10 uF 10 uF ii i demo board for PCA9952 PCA9955 V HEADER 7x2 SM T LEDS PEDIS i CON f sw GND GND I 4 female 7 I2CUSBCONNECTOR 7 erz z 45V SW DIP 4 SM LED4 LED11 do not populate 1 LEDS LED10 433V 5 pin connector to from PCU9669 UFm LED6 L
22. y 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 12 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 change
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