UM10709 - NXP Semiconductors
Contents
1. J1 oja Ext RST input 3 3 V 5V 9 pin male connector to from R1 lo_LED_MAX 57 3 mA p 3 33 V gt 2nd PCA9956A demo board Tee J2 4 R2 2 cl ee 9 pin female connector CONt lo_LED_MAX 38 25 mA 3l i to from 12C 2005 1 board 5 L3 CON2 5V TS kKQ 6 4 H1206N101R 10 5V 3 33 V R6_ lo LED MAX 28 6 mA JUMPER 3x2 2kQ LED max output current setting u1 3 3 V SCL Filter 1 2 gt Rext 1 kO 57 3 mA RESET J3 J3 desatVan pin GND 3 4 gt Rext 1 5 KQ 38 25 mA PCU PCA9956A E 3 ig ee BDR StF F pr SEL SDA Filter 5 6 gt Rext 2 kQ 28 6 mA 38 Cee Pad VDD IN Tas 3 GND ADO 37 R700 SDA Filter 7 SDA RESET R8 00 SCL Filter a 2 R9 4 rT J5 ADO t Z 8 1kQ RESET z o o O 9 pin Male VDD_IN R10 oQ 1 2 J7 3 1 9 pin female R11 31 6 kQ 5 YM ale p Ri see 5 E 4 2 gt force reset 7 LTST C170GKT R12 134 8 KQ Open gt normal z Green LED for if R13 on JUMPER 4x2 Vpp indicator 4 14 pin header connector to from 5 pin male connector to from st Steere Win I2CUSB 12C master to drive bus controller PCA9665 or PCA9956A demo board PCU9669 mini board Js AD1 A L R14 0a 1 2 j CON4 CON3 3 4 1 2 VDD _IN R16 S16ko 5 6 3 4 SCL i 8 5 6 GND SDA Filter a z7 8 SDA SCL Filter 10 uF2. G UM10709 PCA9956A demonstration board OM13321 Rev 1 16 December 2013 User manual Document information Info Content Keywords Fm I2C bus PCA9956A RGB and White LEDs 24 channel x 8 bit PWMs Abstract The OM13321 is an add on to 9 pin connector of the NXP I2C demo board 2005 1 or Fm 12C Bus development board This daughter board makes it easy to test and design with the PCA9956A a 24 channel Fast mode Plus Fm 57 mA constant current and outputs allow up to 20 V for LED supply This demo board along with the Win I2CUSB Lite GUI PC based provides an easy to use evaluation platform NXP Semiconductors U M1 0709 PCA9956A demonstration board OM13321 Revision history Rev Date Description 1 0 20131216 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 UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 2 of 18 NXP Semiconductors U M1 0709 PCA9956A demonstration board OM13321 1 Introduction The PCA9956A evaluation board features LEDs for color mixing blinking and dimming demonstrations A graphical interface allows the user to easily explore the different functions of the driver The board can be connected
3. J20 is used to set open error for Red LED LEDO J23 is used to set open error for Green LED LED1 J27 is used to set open error for Blue LED LED2 Open User can connect current meter to measure one of the LED 0 2 output current or open one of the RGB_LED1 for detecting an LED open error condition in EFLAG register Short normal operation for the RGB_LED1 These jumpers are used to merge the LED 0 2 outputs together for driving higher LED current for test only Open normal operation for the RGB_LED1 Short When short J22 J25 and open J23 J27 to combine LED 0 2 outputs to drive LEDO When short J22 only and open J23 to combine LED 0 1 outputs to drive LEDO This jumper is used to select LEDs supply voltage Open select external lt 20 V input from J11 when J19 is short for all LEDs Short select internal 3 3 V for LED 1 23 supply voltage when the J19 is open or for all LED 0 23 supply voltage when the J19 is short J11 is no input These jumpers are used to test open circuit for RGB_LED8 J29 is used to set open error for Red LED LED21 J31 is used to set open error for Green LED LED22 J33 is used to set open error for Blue LED LED23 Open user can connect current meter to measure one of the LED 21 23 output current or open one of the RGB_LED8 for detecting an LED open error condition in EFLAG register Short normal operation for the RGB_LED8 All information provided in this document is subj
4. 125 possible programmable 2C bus slave address e LED 0 23 24 channel output to drive eight RGB LEDs RGB_LED 1 8 e TP2 and TP3 are GND pins for probing use e TP1 can be connected as external reset signal to RESET pin when J7 is open e TP4can be connected as external output enable signal to OE pin for blinking dimming control when J10 is open All jumpers default setting and function as shown in Table 1 UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 6 of 18 NXP Semiconductors UM10709 PCA9956A demonstration board OM13321 Table 1 Jumper settings for test and evaluation Jumper Default setting Comment J1 1 2 This jumper is used to select Vpp for PCA9956A 3 pin Voo 5 V 1 2 select 5 V 2 3 select 3 3 V J2 1 2 This 3 x 2 jumper is used to select REXT pin 1 value for PCA9956A 3 x 2 pin REXT 1 kQ 57 3 mA 1 2 select REXT 1 kQ and maximum output current is 57 3 mA almax 3 4 select REXT 1 5 KQ and maximum output current is 38 25 mA 5 6 select REXT 2 kQ and maximum output current is 28 6 mA J3 1 2 Short external 1 1 KQ pull up resistor for SDA on PCA9956A 2 pin short Open no external pull up resistor for SDA on PCA9956A J4 1 2 Short external 1 1 KQ pull up resistor for SCL on PCA9956A 2 pin short Open no external pull up resistor for SCL on PCA9956A J5 1 201
5. 26 s for binking period wak for 2 s 0 ST FA Wrte 88 C0 06 Yes write GRPPWM 0xC0h for duty cycle ON OFF ratio in 75 and GRPFREQ 0x06h 0 46 s for blinking period wait for 2 s 1 ST FA Wrte 88 F0 09 Yes write GRPPWM OxFOh for duty cycle ON OFF ratio in 94 and GRPFREQ 0x09h 0 65 s for binking period wat for 3 s 12 ST FA Write 81 Yes set control register start 01h to read MODE2 register esecounntnees e o saye sss uw ses Ss ses 13 ST FA Read 25 Yes 14 ST FA Wrte 40 00 Yes read MODE2 register check the OVERTEMP bt7 0 and ERROR bt6 0 write IREFALL 00h to turn off al LEDs Send Message Send All Send Sequence Send Continuously Active Msg 1 Done 01 02 03 04 05 05 06 07 08 09 10 11 12 13 14 aaa 009623 Fig 7 Message data in Expert mode to demonstrate all RGB LEDs for blinking 8 2 Test of LED open or short error detection The PCA9956A is capable of detecting an LED open or short condition at its open drain LED outputs Users will recognize these faults by reading the status of a pair of error bits ERRx in error flag registers EFLAGn for each channel The user can poll the ERROR status bit bit 6 in MODE2 register to check if there is a fault condition in any of the 24 channels The EFLAGn registers can then be read to determine which channels are at fault and the type of fault in those channels 1 Copy the PCA9956A Open or Short test text file as shown below From the File drop down
6. DMBLNK 1 in MODE2 register for blinking and LDRx 11 for group blinking controlled by GRPPWM GRPFREQ FA Write Yes 0 3F C0 Comments write PWMALL 0xC0h to set the PWMALL at 75 duty cycles for all LEDs FA Write Yes 2000 88 40 00 Comments write GRPPWM 0x40h for duty cycle ON OFF ratio in 25 and GRPFREQ 0x00h 66mS for blinking period wait for 2 s FA Write Yes 2 88 80 03 Comments write GRPPWM 0x80h for duty cycle ON OFF ratio in 50 and GRPFREQ 0x03h 0 26 s for blinking period wait for 2 s FA Write Yes 2 88 C0 06 Comments write GRPPWM 0xC0h for duty cycle ON OFF ratio in 75 and GRPFREQ 0x06h 0 46 s for blinking period wait for 2 s FA Write Yes 3000 88 F0 09 Comments write GRPPWM 0xF0h for duty cycle ON OFF ratio in 94 and GRPFREQ 0x09h 0 65 s for blinking period wait for 3 s FA Write Yes 0 81 Comments set control register start 01h to read MODE2 register FA Read Yes 0 25 Comments read MODE2 register check the OVERTEMP bit7 0 and ERROR bit6 0 FA Write Yes 0 40 00 Comments write IREFALL 00h to turn off all LEDs Sequence 01 02 03 04 05 06 06 07 08 09 10 11 12 13 14 After opening the PCA9956A RGB LED blinking demo i2c address OxFAh text file the WIN I2CUSB GUI in Expert mode screen will be displayed as shown in Figure 7 Click the Send All button All the valid messages on the screen will be sent in order of the
7. This 4 x 2 jumper is used to select quinary input value for ADO pin 2 4 x 2 pin Von Open floating 1 2 select Vpp 3 4 select pull up with 31 6 KQ 5 6 select pull down with 34 8 KQ 7 8 select GND J6 1 2 Short connect Vpp to pin 38 power supply of the PCA9956A 2 pin short Open connect current meter to measure the Ipp on PCA9956A J7 1 2 Short force RESET pin 35 to GND to reset device 2 pin open Open 10 KQ pull up the RESET pin 35 to Vpp and the TP1 can be used as external reset input signal J8 1 201 This 4 x 2 jumper is used to select quinary input value for AD1 pin 3 4 x 2 pin VoD Open floating 1 2 select Vpp 3 4 select pull up with 31 6 KQ 5 6 select pull down with 34 8 KQ 7 8 select GND J9 1 211 This 4 x 2 jumper is used to select quinary input value for AD2 pin 4 4 x 2 pin Voo Open floating 1 2 select Vpp 3 4 select pull up with 31 6 KQ 5 6 select pull down with 34 8 KQ 7 8 select GND J10 1 2 Short force OE pin 5 to GND to enable LEDs output 2 pin short Open 10 kQ pull up OE pin 5 to Vpp when apply external clock for blinking and dimming control on TP4 test point J11 External supply voltage External supply voltage lt 20 V input to LED for test only 2 pin input to LEDO or all The external supply voltage lt 20 V connects to LEDO only when J19 is open LEDS The external supply voltage lt 3 3 V connects to all LEDs when the J19 is short and J28 is open J
8. in series with other 12C demo boards to create an evaluation system The IC communicates to the host via the industry standard C bus SMBus port The evaluation software runs under Microsoft Windows PC platform 2 Features e A complete evaluation platform for the PCA9956A 24 channel Fm C bus constant current LED driver e Easy to use GUl based software demonstrates the capabilities of the PCA9956A e On board eight RGB LEDs for visual experience e Convenient test points for easy scope measurements and signal access e USB interface to the host PC e No external power supply required 3 Getting started 3 1 Assumptions Familiarity with the 1 C bus is helpful but not required 3 2 Static handling requirements CAUTION 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 3 3 Minimum system requirements e PC Pentium 60 processor or equivalent 8 MB RAM 10 MB of hard drive space e One USB port either 2 0 or 1 1 compatible e Windows 98SE ME 2000 XP or Vista e 2C demonstration board 2005 1 OM6275 or WIN I2CUSB board from http www demoboard com 3 4 Power requirements The NXP demonstration board I2C 2005 1 and OM13321 hardware obtain power from the PC USB port Care should be taken not to exceed the USB port cur
9. menus select Open and from the open data file window select the PCA9956A Open or Short test text file Expert Mode Data File 00 Write Yes 5 06 Comments software reset FA Write Yes 0 A2 80 80 Comments set current to 50 of max in IREFO IREF1 FA Write Yes 0 02 05 Comments set LEDO and LED1 are fully ON FA Write Yes 1 01 15 Comments Clear all error status bits in EFLAGn registers by writing bit4 1 in MODE2 FA Read Yes 0 05 Comments read ERROR status bit6 in MODE2 FA Write Yes 0 41 Comments set EFLAGO register address FA Read Yes 0 00 Comments Read EFLAGO status bit1 0 for LED 0 and bit 3 2 for LED error status FA Write Yes 1 01 15 Comments Clear all error status bits in EFLAGn registers by writing bit4 1 in MODE2 FA Write Yes 0 A2 00 00 Comments set output current to zero in IREFO IREF1 Sequence 01 02 03 04 05 06 07 08 09 2 After opening the PCA9956A Open or Short test text file the WIN I2CUSB GUI in Expert mode screen will be displayed as shown in Figure 8 3 Click the Send All button All the valid messages on the screen will be sent in order of the row number The action will be performed one time All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 14 of 18 NXP Semiconductors UM10709 PCA9956A demonstration board OM13321 4 To verify the re
10. 0 kHz aaa 009624 9 Support For support please send an e mail to i2c support nxp com 10 Abbreviations Table 3 Abbreviations Acronym Description ESD ElectroStatic Discharge Fm Fast mode Plus GUI Graphical User Interface l2C 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 SMBus System Management Bus USB Universal Serial Bus UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 15 of 18 NXP Semiconductors U M1 0709 PCA9956A demonstration board OM13321 11 References 1 PCA9956A 24 channel Fm I2C bus 57 mA 20 V constant current LED driver Product data sheet NXP Semiconductors 2 UM10206 I2C Demonstration Board 2005 1 Quick Start Guide NXP Semiconductors www nxp com documents user_manual UM10206 pdf UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 16 of 18 NXP Semiconductors UM10709 12 Legal information PCA9956A demonstration board OM13321 12 1 Definitions Draft The document is a draft version only The content is still under internal review and subject to formal approval which may resu
11. 0709 13 Contents PCA9956A demonstration board OM13321 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 200 e cece eee eee 3 F atureS een cianat caer Rates ee eae ce eck esac 3 Getting started 22 cee eee eee 3 Assumptions 0 00 e eee eee eee 3 Static handling requirements 3 Minimum system requirements 3 Power requirements 005 3 Installation 2 65 eee Bees aoe ee ete eee 4 12C demo board 2005 1 and WIN I2CUSB Lite SOMWaANC sia iha aara i tigate manus oa 4 OM13321 connection to I2C demo board 2005 1 4 OM13321 connection to WIN I2CUSB hardware adapter board 5 Hardware description 0 200eeee 6 Schematic sissies he ete eacden ewes 10 OM13221 demonstration board main components 0 000 eee eeee 12 PCA9956A evaluation steps 12 PCA9956A blinking demo for all RGB LEDs 13 Test of LED open or short error detection 14 SUPPOM ss eke eee ieee eee ne ee eta 15 Abbreviations 000 c cece eee eee 15 ROTErGnCe aie se cise deine Gee nee oe tere eae oe 16 Legal information 00ee eee e eee 17 Definitions saca saa naana o a 17 Disclaimers oaea sepa ciie a iee t anena 17 Trademarks 0 0 eee 17 GOMTCIIS icc occ eceeiera cs ea ERE EEEa 18 Please be aware that important notices concerning this
12. 1 nF 0 1 nF 0 1 nF 0 1 nF a r 4 2 7 RGB_LED5 5 LRTB_G6SG a LED12 E R Kea LED13 3 QD g LED14 amp 4 4 gt t RGB_LED6 a LED16 LRTB_G6SG g LED17 k R D z l 5 l LED18 RGB_LED7 LED19 LRTB_G6SG LED20 R LED21 open test and output current J29 J30 LED21 measurement 1 o R 4 oe LED22 open test RGB_LED8 and output current J34 LRTB_G6SG LED21 Shortitest LED22measurement l5 o2 R J32 LED23 open test a i2 and output current J33 LED23 short test LED23measurement 1 2 I T o O 1 Tez Tezz Tez3 Te24 Te25 726 Te27 Teze Tez29 Teso Jes1 e32 J34 Z 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 0 1nF o x A LED22 short test T 4 aaa 010421 w lt nN 2 gt z z 2 z 8 g n s Fig 5 PCA9956A demo board schematic part B S10 9NpuodIW S dXN LZEELINO p120q uonesuowap v9966V3d 60Z0 LNN NXP Semiconductors U M1 0709 PCA9956A demonstration board OM13321 7 OM13221 demonstration board main components Table 2 OM13321 demo board main components Device Description Address LED Location PCA9956ATW 24 channel Fm 1 C bus OxFAh for I2C demo board U1 57 mA 20 V constant current LED driver PRTR5VOU2AX ESD protection diode U2 LW E67C White LED 6 white LEDs WHT_LED 1 6 LRTB_G6SG RGB LED 8 RGB LEDs RGB_LED 1 8 LTST C170GKT Green LED for PCA9956A 1 green LED D1 power supply either 3 3 V or 5V 8 PCA9956A ev
13. 21 GND input External supply voltage ground input to LED 2 pin UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 7 of 18 NXP Semiconductors UM10709 PCA9956A demonstration board OM13321 Table 1 Jumper settings for test and evaluation continued Jumper Default setting J12 J13 J14 1 2 J15 J16 J17 short 2 pin J18 J24 J26 1 2 2 pin open J19 Short 2 pin J20 J23 J27 Short 2 pin J22 J25 Open 2 pin J28 Short 2 pin J29 J31 J33 Short 2 pin UM10709 Comment These jumpers are used to connect or disconnect white LEDs WHT_LED 1 6 on LEDO output for test only Open connected the white LED on LEDO output Short bypass the white LED on LEDO output These jumpers are used to test short circuit for RGB_LED1 J18 is used to set short error for Red LED LEDO J24 is used to set short error for Green LED LED1 J26 is used to set short error for Blue LED LED2 Open normal operation for the RGB_LED1 Short short one of the RGB_LED1 to test an LED short error condition in EFLAG register This jumper is used to select LEDO supply voltage Open select external lt 20 V input from J11 to LEDO only Short select either internal 3 3 V when J28 is short or external lt 20 V when J28 is open to all LEDs These jumpers are used to test open circuit for RGB_LED1
14. R17 oa JUMPER 4x2 GND 9 10 pet ee 11 12 c6 10 pF j 3 3 V 13 ma 5v SpinMale LED 0 23 Ji R18 oa 1 2 LED 0 23 HEADER 7x2 8M R19 31 6kKQ 3 2 Thermal pad 48 x3mm 7 3 T add thermal vias 5 x 3 R20 134 8 kQ 0 28 mm diameter with 1 mm pitch R21 oa JUMPER 4x2 with the barrel plated to about 1 0 ounce copper a a Sanay input pad connectio to AD 2 0 VDD_IN GND pen gt floating GND 1 2 gt VDD Ext OE input ake TP2 3 4 gt pull up 3 C7 TP3 ki 5 6 gt pull down TP4 L1 T 0 01 pF el 7 8 gt GND BLM18BD471SN1 PRTR5V0U2AX SDA SDA filter R22 25 1 2 gt Output enabled BNiseoariSi g 10 kQ Open gt Output disabled SCL L SCL filter 470 Q at 100 MHz aaa 009891 Fig 4 PCA9956A demo board schematic part A 9 o1eWsYyIS LZEELINO PAeog UOl e1 SUOWAP VW9S66VOd 60Z0 LNN S10 9NpuodIW S dXN LOZ 4equieseq 94 L AY jenuew asn SLJOLL a oO ma o o 8 RGB LEDs connect to PCU PCA9956A 24 channel outputs i Ext 20 V input The LEDO has voltage selection either 3 3 V or 20 V and additional 6 white LEDs for t
15. ad data on message line 5 for ERROR status and line 7 for EFLAG status 5 To open the J20 and J23 for open circuit test on LEDO and LED1 repeat steps 3 and 4 to find the error report in message line 5 and line 7 6 To short the J18 and J24 for short circuit test on LEDO and LED1 repeat steps 3 and 4 to find the error report in message line 5 and line 7 Win I2CUSB PCA9956A Open or Short test txt File Edit Device Options Window Help Msa Start Address R W Data ss Stop Dely Notes 4 ut 129 o8 2 BGR Pisco reo Cear all error status bits in EFLAGn registers by writing bt4 1 in MODE2 Read EFLAGO status bit1 0 for LED 0 and bit 3 2 for LED1 error status Cear all error status bits in EFLAGn registers by writing bt4 1 in MODE2 1 ST o0 Whrtelo6 Yes 5 software reset 2 ST FA Write A2 80 80 Yes 0 set current to 50 of max in IREFO IREF1 3 ST FA Write 02 05 Yes O set LEDO and LED1 are fully ON 4 ST FA Write 01 15 Yes 1 5 ST FA Read 05 Yes 0 read ERROR status bit6 in MODE2 6 ST FA Write 41 Yes 0 set EFLAGO register address 7 ST FA Read 00 Yes 0 8 ST FA Wrte 01 15 Yes 1 9 ST FA Write A2 00 00 Yes 0 set output current to zero in IREFO IREF1 Send Message Send All Send Sequence Send Continuously Active Msg 1 Done 01 02 03 04 05 06 07 08 09 Transmisson successful Hardware Detected 3 3 On 5 0V On Fig 8 Example of Open or Short circuit test for LEDO and LED1 100
16. aluation steps The PCA9956A is controlled by WIN I2CUsB GUI in Expert mode as shown in Figure 6 File Device Options Window Help EEPROM YO Expanders LED Blinkers and Dimmers Master Selector 2 to 1 demux Multiplexers Switches Non volatile Registers RAM FRAM Real Time Clocks Therma Management Universal Modes Expert Mode User Definable Device Hardware Detected INO S0VOn if n7 Win I2CUS8 C Expert Mode File Edit Device Options Window Help AAH SG 2 G Pisce en Msas Start Address R W Data Stop Delay Notes ST aaa 009622 Fig 6 Drop down menu selection for Expert mode Connect the hardware as described in Section 4 All jumpers are in default setting and device address is set to OxFA on J5 J8 and J9 set AD 0 2 Vpp for PCA9956A demo board When you have correctly installed the software and the demonstration board hardware is connected and recognized by the computer start the Win I2CUSB Lite UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 12 of 18 NXP Semiconductors U M1 0709 UM10709 PCA9956A demonstration board OM13321 software As shown in Figure 6 when the demonstration board hardware is correctly connected to the USB port and the computer recognizes it the message Hardware Detected is displayed on the bottom of the w
17. document and the product s described herein have been included in section Legal information NXP B V 2013 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 16 December 2013 Document identifier UM10709
18. ect to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 8 of 18 NXP Semiconductors UM10709 PCA9956A demonstration board OM13321 Table 1 Jumper settings for test and evaluation continued Jumper Default setting J30 J32 J34 Open 2 pin TP1 Test Point 1 TP2 TP3 Test Point 2 3 TP4 Test Point 4 Comment These jumpers are used to test short circuit for RGB_LED8 J30 is used to set short error for Red LED LED21 J32 is used to set short error for Green LED LED22 J34 is used to set short error for Blue LED LED23 Open normal operation for the RGB_LED8 Short short one of the RGB_LED8 to test an LED short error condition in EFLAG register This TP1 is used to drive RESET input pin 35 from external when J7 is open These two test points are GND for probe ground connection This TP4 is used to drive OE input pin 5 from external when J10 is open 1 Default PCA9956A slave address is OxFAh AD 2 0 Vpp UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 9 of 18 jenuew asn ELO Jequieseq 9 H suauulejosip jea 0 2 fqns si JUBWINDOP siy u PapIAOsd uonewojzu y 8L 40 OL 60Z0LWN pamasa Syu Ily E02 A A dXN 24 ch 57 mA 20 V CC LED driver Test Demo Board
19. ember 2013 5 of 18 NXP Semiconductors U M1 0709 PCA9956A demonstration board OM13321 5 Hardware description J5 J8 J9 RGB_LED8 RGB_LED7 RGB_LED6 RGB_LED5 for AD 0 2 For LED 21 23 For LED 18 20 For LED 15 17 For LED 12 14 address inputs FAh i CON4 14 pin connector to __ CONS 5 pin Win I2CUSB connector to board PCU9669 mini demo board CON2 9 pin 3 connector to lt K a CON1 9 pin 12C 2005 1 board connector To next demo board J4 select Voo 1 2 5 0 V 2 3 3 3 V RGB_LED1 RGB_LED2 RGB_LED3 RGB_LED4 For LED 0 2 For LED 3 5 For LED 6 8 For LED 9 11 aaa 009621 Fig 3 _PCA9956A demo board OM13321 Figure 3 shows the following items on the hardware e CON1 9 pin male connector is used to daisy chain to next I C bus slave device or demo board e CON2 9 pin female connector is connected to JP1 on I2C demo board 2005 1 as master device to drive this demo board e CONS 5 pin male connector is connected to the PCU9669 or PCA9665 mini board as 2C bus master device to drive this demo board e CON4 14 pin male connector is connected to J1 on WIN I2CUSB hardware board as I2C bus master device to drive this demo board e Ji selects Vpp power for PCA9956A connected 1 2 for Vpp 5 V and connected 2 3 for Vop 3 3 V e J5 J8 and J9 to select one of the five GND Pull down Floating Pull up and Vpp input levels to address inputs AD 0 2 for a maximum of
20. est GND 1 H2 113 J14 J15 J16 J17 2 foe A 2 2 a c8 were wereceng waren wiriena wet tens wiren a HEADERS 4 4 5 l J18 o 0 1 nF LEDO open test LW E67C LW E67C LW E67C LW E67C LW E67C LW E67C 2o S19 OPEN ext 420 V at EEDO and output current J20 y a y Mq y y LEDO short test SHORT ext 20 V for all LEDs if J28 OPEN LEDO measurement o of 14 14 Red SHORT int 3 3 V for all LEDs if J28 SHORT LEDO J21 CEDI 13222 LEDI Farai J23 6 White LEDs to test chO VLED up to 20 V All jumpers ON when ch0 VLED 3 3 V RGB LEDI 19243 GND LED1 measurement 15 o2 Green LRTB_G6SG LED1 Short test 2 4225 LED2 open test R J26 LEDO J27 _ and output current go 2d HEADER 2 LED2 LED1 LED2 z is 2 measurement Blue LED2 short test wep 3 3v 12289 22 3 3 V LED voltage select LED3 OPEN gt external voltage LED4 RGB_LED2 SHORT gt internal 3 3 V LRTB_G6SG LEDS pe 1049F L t Notes LEDS R VF 3 4 V for White LED g Vp 2 1 V for Red LED S LED7 RoB Ee VF 3 2 V for Green LED Fi LEDS 7 RE VF 3 2 V for Blue LED S Open Short test for ls 4 first 3 channels 0 2 and g L last 3 channels 21 23 a LED9 a LED10 RGB_LED4 Only channel 0 allows to 5 LRTB_G6SG test 20 V for LED supply z LED11 i i LI Qa m m emt S LED 0 23 gt l g LED 0 23 4 C10 e11 C12 Jc13 Te14 Teis Teie Jc17 Teis Tc19 Te20 5 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0 1 nF 0
21. event that customer uses the product for design in and use in automotive applications to automotive specifications and standards customer a shall use the product without NXP Semiconductors warranty of the product for such automotive applications use and specifications and b whenever customer uses the product for automotive applications beyond NXP Semiconductors specifications such use shall be solely at customer s own risk and c customer fully indemnifies NXP Semiconductors for any liability damages or failed product claims resulting from customer design and use of the product for automotive applications beyond NXP Semiconductors standard warranty and NXP Semiconductors product specifications 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 interruptio
22. he 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 PCA9956A Ae ee eeeeeeerse GIS F Piiiiijji aaa 009619 Fig 1 PCA9956A demo board OM13321 mounting to the I2C demo board 2005 1 OM6275 UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 4 of 18 NXP Semiconductors U M1 0709 PCA9956A demonstration board OM13321 4 3 OM13321 connection to WIN IZCUSB hardware adapter board The Win lI2CUSB board should be disconnected from your PC before connecting the OM13321 board on to it The OM13321 board has a 14 pin male connector CON4 that connects to the 14 pin male connector J1 on the Win I2CUSB board as shown in Figure 2 Connect the OM13321 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 PCA9956A r ote f gt beakin NO j M hy Hey Bey Heyy a yt ALLELE H Me H i ToPC USB port aaa 009620 Fig 2 PCA9956A demo board OM13321 connecting to the WIN I2CUSB board UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 Dec
23. indow Switched 3 3 V and 5 0 V power supplies are controlled through the Options menu or by double clicking on the 3 3 V or 5 0 V symbols on the bottom of the window Power supplies are disabled by default and you must enable them before using the I2C 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 PCA9956A blinking demo for all RGB LEDs 1 From the Device drop down menus select Universal Modes and from the subsequent drop down menu select Expert Mode as shown in Figure 6 Copy the PCA9956A RGB LED blinking demo i2c address OxFAh text file as shown below From the File drop down menus select Open and from the open data file window select the PCA9956A RGB LED blinking demo i2c address OxFAh text file Expert Mode Data File 00 Write Yes 5 06 Comments SW reset 00h 06h and wait 5 ms FA Write Yes 0 40 3F Comments write IREFALL 0x3Fh 225ua x 63 14 ma per channel if Rext 1k FA Write Yes 800 82 41 10 04 41 10 04 Comments set LDRx 01 in LEDOUT register for all red LEDs on for 800 ms FA Write Yes 800 82 04 41 10 04 41 10 Comments set LDRx 01 in LEDOUT register for all green LEDs on for 800 ms FA Write Yes 800 82 10 04 41 10 04 41 Comments set LDRx 01 in LEDOUT register for all blue LEDs on for 800 ms FA Write Yes 0 81 25 FF FF FF FF FF FF Comments Set
24. lt 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 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 a
25. n 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 12 3 Trademarks Notice All referenced brands product names service names and trademarks are the property of their respective owners 2C bus logo is a trademark of NXP B V NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 17 of 18 NXP Semiconductors UM1
26. nd 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 accepts 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
27. rent capabilities UM10709 All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 3 of 18 NXP Semiconductors U M1 0709 PCA9956A demonstration board OM13321 4 Installation 4 1 12C demo board 2005 1 and WIN I2CUSB Lite software The OM13321 is a daughter card to the OM6275 I2C demo board 2005 1 You may download the WIN I2CUSB Lite Software the OM6275 user manual UM10206 and find ordering information at the NXP web site http www nxp com demoboard OM6275 htnl The Win l2CUSB 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 an USB port The software allows the user to select one of the I C bus devices on the board from a menu and also provides a Universal mode 12C Expert mode to allow users to create their own I2C bus commands with the same I C bus devices 4 2 OM13321 connection to 12C demo board 2005 1 The 12C demo board 2005 1 should be disconnected from your PC before mounting the OM13321 board on to it The OM13321 board has a 9 pin female connector CON2 that connects to the JP1 male connector on the 12C demo board 2005 1 as shown in Figure 1 With both boards facing you and with USB connector on the right hand side as shown in Figure 1 connect the OM13321 board to the I2C demo board 2005 1 before connecting t
28. row number The action will be performed one time All information provided in this document is subject to legal disclaimers NXP B V 2013 All rights reserved User manual Rev 1 16 December 2013 13 of 18 NXP Semiconductors U M1 0709 UM10709 PCA9956A demonstration board OM13321 Win I2CUSB PCA99S6A RGB LED blinking demo i2c address OxFAh ba E Ay File Edit Device Options Window Help lalxl Ju OGR0S BBO eters o Msas Start Address R W Data Stop Dey Notes ST 00 Wrte 06 Yes SW reset 00h 06h and wat 5 ms write IREFALL 0x3Fh 22Sua x 63 14 ma per channel f Rext 1k set LORK 01 in LEDOUT register for all red LEDs on for 800 ms set LORx 01 n LEDOUT regster for all green LEDs on for 800 ms set LDRx 01 in LEDOUT register for all blue LEDs on for 800 ms Set DMBLNK 1 in MODE2 register for binking and LORx 11 for group binking controled by GRPPWM GRPFREQ ST FA Write 40 3F Yes ST FA Wrte 82 41 10 04 41 10 04 Yes ST FA Write 82 04 41 10 04 41 10 Yes ST FA Wite 82 10 04 41 10 04 41 Yes 1 2 3 4 5 6 ST FA Write 81 25 FF FF FFFFFFAF Yes 7 8 9 1 ST FA wree 3F 00 Yes Wrte PWMALL 0xCOh to set the PWMALL at 75 duty cycles for al LEDs ST FA Wrte 88 40 00 Yes write GRPPWM 0x40h for duty cycle ON OFF ratio in 25 and GRPFREQ 0x00h 66mS for binking period wat for 2s ST FA wrze 88 80 03 Yes write GREPWM 0x80h for duty cycle ON OFF ratio in 50 and GRPFREQ 0x03h 0
29. 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 UM10709 All information provided in this document is subject to legal disclaimers 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 Non automotive qualified products Unless this data sheet expressly states that this specific NXP Semiconductors product is automotive qualified the product is not suitable for automotive use It is neither qualified nor tested in accordance with automotive testing or application requirements NXP Semiconductors accepts no liability for inclusion and or use of non automotive qualified products in automotive equipment or applications In the
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