NXP demo board for Fast- 2 mode Plus 4-bit I C LED controller PCA9633 EHaesaidly tlineest and demonstrate LED dimming and blinking This flexible,easy-to-pr ogramboar dmakes it simpleto test and demonstrate LED blinkingand dimming. Integrated Fast-modePlus supports faster updates and longerbuses with higher capacitance. Key features The PCA9633 demob oardi sa 256b rightness levels.T he fifth is used 4 I ndividual andg roup LEDc ontrol complete,r eady-to-run test environment for groupc ontrol, dimming,o r blinking with upt o2 56l evelso fb rightness for dimminga ndb linking LEDs. allt he LEDs simultaneouslyt oc reate 2 4 Familiar I C commands Designed for flexibility, it comes pre- 256 levels of brightnessw ith combined 4 Fast-modeP lusf orl onger LED programmed withs ixo peratingm odes, colors. stringsa nd faster updates includingc olorw ash and random color, 4 O utput Enable pin for full control of and can be reprogrammed to create TheP CA9633 has four individually multiple devices controlling LEDs customc olorp atterns. controlled outputs, configurable as 4 P reprogrammedw ith six operating 25-mAo pend rains or 10-mA/25-mA 2 modes Theb oardu sesf amiliarI C commands push-pulls, that can bes elected for 4 User-reprogrammablef orc ustom ands upports the higher drive of Fast- off, on, dim, or dim withg lobalc ontrol. colorp atterns mode Plus( 1-MHza nd 30-mA), so An Output Enablep in makes it easy 4 Daisy-chainc onfigurationsw ith upt o designs can use longer strings of LEDs to configureh ardwared imming or eight boards andh igherf requencies. synchronizedb linking overm ultiple devices. The board is configuredw ithf ourL EDs, 2 one eachf or red, green, blue, and Seven address pins allowu pt o1 26 I C 2 amber. The LEDs are connectedt o the addresses on the I C-bus.A dditionally, 2 PCA9633, which has a total of five 8-bit four I C addressesa res oftware Pulse WidthM odulators (PWMs)f or programmable,s og roupso fd evices dimminga ndb linkingt heL EDs. The canb e assignedt hes amea ddress and first fourP WMs are used to controle ach controlledw ith as ingle command. of the four LEDs individually, with up to PCA9633 PCA9633 PCA9633 PCA9633 PCA9633 PCA9633 PCA9633 The board includes external 60-V FET drivers, which Operating modess upportedb yt heP CA9633d emo board can be connected to high-current, 350-mA LEDs. A Mode1 AutoDemonstration Displays Mode2 for 10seconds, Mode 3 for 10 seconds, Mode and then repeats.Automatically selected at start-up. four-key keypad gives the user direct control over Mode2 ColorW ashMode Continuously blendscolors. the RGBA color mixing and light patterns. Mode3 RandomColor Mode Randomlyshows different colors without blending Power can be supplied by the boards 9-V battery transitions. or via an external power connector. The RJ45 Mode4 User Color Mode Displays user-selected colors. User can specify output of all five PWMs. connector and cable can be used to daisy-chain Mode 5 Multiple-card Chase Generates a chase patternof multiple colors using the multiple boards, enabling the microcontroller on Mode PCA9633sgr oup-call featureand additional cards. Color one board to act as the master for up to seven combinations can use two (amber/red), three (amber/red/ green), orfour (amber/red/green/blue) colors.Supports up additional boards. to eight boards(master plus seven boards) connectedvia the RJ45 jacks. Reprogramming the microcontroller Mode 6 Output Enable Demonstrates the Output Enable pin, which places the LED Control Mode outputs in High Z. Changesthe LEDdif fuser color topurple Reprogramming them icrocontroller requiresa n in- and blinks all LEDsat the same rate. circuit programmer (ICP), Flash Magic software (for loadingt he microcontroller with compiled hex files), 2 I C BUS and source code. For theI CP, NXP recommends the RJ45 USB-ICP-LPX9xx, available at www.teamfdi.com. DIFFUSER SW-5 PULLUP FlashM agics oftwarei ss ponsoredb yN XPa ndi s SW-6 G 2 I C 5V RJ45 OE BFR SW-4 availablef romt heE mbedded Systems Academy REG 82B96 B LEDs R (www.esacademy.com/software/flashmagic/). A MODE SEL PCA9633 LPC925 LED MICRO CTRLR + SW1-3 ADDR - Devices on the PCA9633 demo board PUSHBUTTONS ICP FET FET FET FET HDR Device Description OFF-BOARD LED SUPPORT 3V 2 REG PCA9633 Fast-mode Plus 4-bit I C-bus LED controller with CABLE individual8-bit, 256-step PWMsfor each LED plus SW-7 SW-8 ON/OFF POWER afifth 8-bit, 256-step group PWM for dimmingor blinking combined colors. P89LPC925 Flash microcontroller.Uses embedded fir mwareto 9V BATT controlthe PCA9633. User -programmablevia 10- pin headerand an external ICP-stylepr ogrammer. P82B96 Buffer for microcontroller. Supports thehigher drive The PCA9633 demo board of Fast-mode Plus, and enables off-board operation. SW1, 2, 3 Sets addresspins to GNDor V so upto CC eight boardscan be connected to the same microcontroller. 5 V SW 4 Sends Ouput Enable signalto other boards. SW 5, 6 Turnson bus pull-up r esistors formaster and P82B96 termination cards only. SW 7 Sends powerof 9-V battery overcables. SW 8 Turns onpower to 9-V battery . Microcontroller FETs 60-V, 350-mA devices thatuse with high-brightness LEDs. 2 RJ45 Suppliesadditional car ds with I C-bus, power, and connector OutputEnable signals. The PCA9633 demo board configured in Multiple-card Chase Mode (Mode 5) www.nxp.com 2007 NXP N.V. Date of release: January 2007 All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The Document order number: 9397 750 15907 information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and Printed in the USA may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.