StickIt! LED Digits V1.0 User Manual
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1. MD ESS Corporation Stickit LED Digits V1 0 User Manual How to install and use your new Sticklt LED Digits Module MANOO3 V1 0 Feb 4 2012 MD ESS XESS is disclosing this Document and Intellectual Property hereinafter the Design to you for use in the development of designs to operate on or interface with XESS hardware devices XESS expressly disclaims any liability arising out of the application or use of the Design XESS reserves the right to make changes at any time to the Design as deemed desirable in the sole discretion of XESS XESS assumes no obligation to correct any errors contained herein or to advise you of any correction if such be made XESS will not assume any liability for the accuracy or correctness of any engineering or technical support or assistance provided to you in connection with the Design THE DESIGN IS PROVIDED AS IS WITH ALL FAULTS AND THE ENTIRE RISK AS TO ITS FUNCTION AND IMPLEMENTATION IS WITH YOU YOU ACKNOWLEDGE AND AGREE THAT YOU HAVE NOT RELIED ON ANY ORAL OR WRITTEN INFORMATION OR ADVICE WHETHER GIVEN BY XESS OR ITS AGENTS OR EMPLOYEES XESS MAKES NO OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY REGARDING THE DESIGN INCLUDING ANY WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE TITLE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS IN NO EVENT WILL XESS BE LIABLE FOR ANY CONSEQUENTIAL INDIRECT EXEMPLARY SPECIAL OR INCIDENTAL DAMAGES INCLUDING2. 4 2012 www xess com StickIt LED Digits V1 0 User Manual StickIt LED Digits V1 0 User Manual MANOO3 V1 0 February 4 2012 The following table shows the revision history for this document Date Version Revision 01 18 12 1 0 Initial release for StickIt LED Digits module V1 0 MANOO3 V1 0 Feb 4 2012 www xess com StickIt LED Digits V1 0 User Manual MD ESS Table of Contents Table of Contents C L Preliminar ieS ata ita cassa sro seta Dina sda Dei ai dean itens RARR RNANA 1 COURO MERERI TET T E ST DE A ETE ET 1 TORO NONE n 1 gedacpM 1 Ci2 SC LU s M M 2 Inserting Your StickIt LED Digits Module Into Your StickIt Board cece nnn 2 Insergng Mtoa PMOD SOC E nisso Rubr UA GD ADO GOA di UCA ERE EtrMbi DUCERE PE 2 Inserting Into a Wing SOCKEL messias sas tuer TP ds Es AS Us Ud tnu nc span nad Consta aids Sitsni doc assa said 3 C 3 OperallOlnossxiszssbes vau aREREEE a VES RRVREFRERENIERERRTSEEEREREXERARUER E ii a die ado S CERE RUE 5 C 4 Using the Module issssux euxEEES FREFSAXEFRKVITE a FEM ERE SERRE Dirac CI RU ROC RR RR ON 7 A1 170 LOCALONS iicususkusuENREUEE MUSEUMS dna a RA UE NN U KENNT MEER CRESC Ras ET RE Cas Odd LED NE REN d OUR 8 A 2 SCHEMA UCs esssuxa kk Sastuwta uk
3. ANY LOST DATA AND LOST PROFITS ARISING FROM OR RELATING TO YOUR USE OF THE DESIGN EVEN IF YOU HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES THE TOTAL CUMULATIVE LIABILITY OF XESS IN CONNECTION WITH YOUR USE OF THE DESIGN WHETHER IN CONTRACT OR TORT OR OTHERWISE WILL IN NO EVENT EXCEED THE AMOUNT OF FEES PAID BY YOU TO XESS HEREUNDER FOR USE OF THE DESIGN YOU ACKNOWLEDGE THAT THE FEES IF ANY REFLECT THE ALLOCATION OF RISK SET FORTH IN THIS AGREEMENT AND THAT XESS WOULD NOT MAKE AVAILABLE THE DESIGN TO YOU WITHOUT THESE LIMITATIONS OF LIABILITY The Design is not designed or intended for use in the development of on line control equipment in hazardous environments requiring fail safe controls such as in the operation of nuclear facilities aircraft navigation or communications systems air traffic control life support or weapons systems High Risk Applications XESS specifically disclaims any express or implied warranties of fitness for such High Risk Applications You represent that use of the Design in such High Risk Applications is fully at your risk O 2012 XESS Inc XESS the XESS logo and other designated brands included herein are trademarks of XESS Corporation PMOD is a trademark of Digilent Inc All other trademarks are the property of their respective owners This document is licensed under the Attribution ShareAlike 3 0 Unported license available at http creativecommons org licenses by sa 3 0 MANOO3 V1 0 Feb
4. Xin GR COE OC RR RR CE ERO a dd en CR TRU RUE ROC CER RE ECL RR DLE TR 9 MANOO3 V1 0 Feb 4 2012 www xess com StickIt LED Digits V1 0 User Manual MD ESS Preliminaries Here s some helpful information before getting started Getting Help Here are some places to get help if you encounter problems m If you can t get the StickIt LED Digits module to work send an e mail message describing your problem to help xess com or submit a problem report at http www xess com help php Our web site also has e answers to frequently asked questions e example designs application notes and tutorials e a forum where you can post questions Take Notice It s pretty hard to get in trouble with this module Packing List Here is what you should have received in your package m a StickIt LED Digits module m PMOD male header m Wing male headers 8 pin amp 4 pin m StickIt LED Digits V1 0 User Manual WWW Xess com MANOO3 V1 0 Feb 4 2012 MD ESS Setup The StickIt LED Digits module provides a row of eight seven segment LED digits that you can insert into an eight bit PMOD or Wing socket on your StickIt board Inserting Your Sticklt LED Digits Module Into Your Sticklt Board Inserting Into a PMOD Socket To use the StickIt LED Digits module with a PMOD socket first solder the included male PMOD header to the module as shown To insure a stable connection only use a header with 0 25 square pi
5. 2 S2 S2 S2 S2 d S4 S4 S4 S4 S3 S S3 S3 f S6 S6 S6 S6 S6 S6 So S5 g S7 S7 S7 S7 S7 S7 S7 s6 StickIt LED Digits V1 0 User Manual www xess com 6 MANOO3 V1 0 Feb 4 2012 MD ESS Using the Module To use the StickIt LED Digits module you will need to do the following Create a Xilinx ISE FPGA project and write some HDL code for Charlieplexing the LED digits Attach the module to either a PMOD or Wing socket on the StickIt board Determine the channel signals on the PMOD or Wing socket that connect to each I O pin of the module Find which FPGA pin of the XuLA board connects to each channel signal Make a UCF file associating each FPGA pin with an I O pin of the module Include the UCF file in your ISE project That s a lot of work just to display some simple digits so we ve done most of it for you Just go to http github com xesscorp StickIt There you will find a subdirectory with a Xilinx ISE project that includes a Charlieplexing HDL module an example that uses the Charlieplexing module for displaying data on a StickIt LED Digits module and a UCF file containing the FPGA pin assignments to use when installing the StickTt LED Digits module into any of the PMOD or Wing sockets StickIt LED Digits V1 0 User Manual WWW Xess com 7 MANOO3 V1 0 Feb 4 2012 MD ESS A1 I O Locations The connections of the I O signals to the PMOD and Wing headers of th
6. e StickIt LED Digits module are shown below StickIt LED Digits V1 0 User Manual www xess com 8 MANOO3 V1 0 Feb 4 2012 MD ESS Schematic 1 OUNT HOLE 3 0 2 OUNT HOLE 3 8 A A A A A A A A 2011 XESS Corp Some rights reserved 1 1 i LED Digits 9 DO ee A PROJECT StickIt LedDigits REU 1 0 Date 11 3 2011 9 02 17 PM BY SA See creativecommans org licenses by sa 3 0 AUTHOR Dave Uandenbout XESS Corp Sheet 1 1 StickIt LED Digits V1 0 User Manual www xess com 9 MANOO3 V1 0 Feb 4 2012
7. en high by signal SO This will serve as the source of the current for any segments in this digit that are turned on To turn on a segment the corresponding signal is pulled to ground For example to turn on segments b and c signals S2 and S3 are pulled low To keep the other segments off the rest of the signals are placed in a high impedance state so there is no current path through them Note that only one signal is at a high level SO and all the others are either pulled low or in a high impedance state Because of this no segments in LED2 will be on because its CA pin driven by signal S1 will never be driven high while LED1 is active In a similar manner when digit LED2 is activated by driving signal S1 high and grounding or tristating signals SO and S2 S7 then LED1 will be inactive because SO will never be driven high StickIt LED Digits V1 0 User Manual www xess com 5 MANOO3 V1 0 Feb 4 2012 MD ESS Operation By rapidly switching the activation back and forth between digits LED1 and LED2 persistence of vision POV will make it appear that the sixteen segments are displaying a static pattern even though only eight signals are used to drive them This technique can be extended across all eight of the LED digits A table of the signal connections to the pins controlling the segments of each digit is shown below Pin LED1 LED2 LED3 LED4 LEDS LED6 LED7 LED8 a S1 so so so so so SO so C 53 S3 S3 S
8. ns StickIt LED Digits V1 0 User Manual WWW Xess com 2 MANOO3 V1 0 Feb 4 2012 MD ESS Setup Then insert the module into one of the eight bit PMOD sockets on the StickIt Board This module does not directly connect to any power supply so there is no need to change the setting of the voltage selection jumper of the PMOD socket Inserting Into a Wing Socket To use the StickIt LED Digits module with a Wing socket first solder the included male Wing headers to the module as shown To insure a stable connection only use a header with 0 25 square pins StickIt LED Digits V1 0 User Manual www xess com 3 MANOO3 V1 0 Feb 4 2012 MD ESS Setup Then insert the module into one of the eight bit Wing sockets on the StickIt board StickIt LED Digits V1 0 User Manual www xess com 4 MANOO3 V1 0 Feb 4 2012 MD ESS Operation This chapter describes the operation of the StickIt LED Digits module using a simplified schematic You can find a complete schematic at the end of this manual A total of 56 LED segments are distributed over the eight digits on the module All these segments can be controlled with only eight I O signals by using Charlieplexing You can see how this works by examining the operation of just two of the LED digits on the module SO os S1 SO S2 E S1 S2 SO S3 S3 S4 S4 E S6 10 f 5 s7 8 3 S7 LED2 To light up digit LED1 the common anode pin CA is driv
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