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  1. Good day everyone! I need help on programming the Nexys 3 using a USB memory stick. Here is what I tried so far: 1. Save a single .bit file to a USB memory stick. I have tried my own .bit files as well as the Digilent's Built-In Self Test. I have also tried two USB flash drives. 2. Connect two jumpers on the mode switches. I have also tried none and mode 0 only. 3. I then attached the USB flash drive to the Nexys 3 and press the reset button. But unfortunately the bit file does not get programmed to the FPGA. The <busy> LED beside the USB port on the Nexys 3
  2. Hello everyone I am selling my almost brand-new Xilinx Nexys 3 Trainer Board w/ Spartan 6 FPGA. I've only used it for about 1 week and it is in absolute Mint condition. I am choosing to sell it because my new job at a startup uses Altera's line of products so I will be getting an Altera FPGA Unfortunately I just got my Nexys 3 so I am try to get whatever money I can for it. A link to this product on the Digilent site can be found below: As you can see, it's worth $270 on the we
  3. What is the current rating for PmodD when using the 3.3V power supply? Is the maximum rating 3A or 800mA?
  4. Hi, I'm using a nexys 3 sparten 6 fpga . I need to interface it with a keyboard, is there any core available to do that?
  5. sachin

    ethernet mac

    Hi, Can i have tutorial for bulding ethernet mac in nexys 3 board
  6. Hi, We would like to implement bluetooth capabilities on our FPGA (nexys3) board. We want an app on our mobile phone to be able to transmit and receive data to/from the FPGA. We have tried looking for sample codes all over the net but we couldn't find any. Hope that any of you guys have experience working with this pmod module. 1) How should I go about implementing this in verilog? 2) For the app, is there data formatting to be done on the phone application? I'm looking at the default slave mode for this application. To use this mode, do I need to enter command mode, and transmit '$$
  7. Hello all, I have a Nexys 3 in which, long story short, 12V found its way to pins B1-B4 via a 200Ohm resistor and now they can't source a high output. The on-board 200Ohm resistors, R9, R11, R13 and R15, all read the correct resistance (Measured in-circuit) but all of the resistors in the D3 package are shorted. I'm hoping that it's just D3 that has been affected and would like to source a replacement. The package just 6H Y on top and the schematic for the board doesn't list the part number - What is the full part number and manufacturer of this part ? Thanks, -Andrew.
  8. I cannot, for the life of me, get this: work. I'm fairly confident I have the clocks at the correct frequencies. And I've tried sending a square wave at about 12kHz ranging from max amplitude: 0111111111111111 to min amplitude: 1000000000000000 (2's compliment). But when I plug in my headphones, I do not hear anything... Does this thing need an amplifier? Any help would be greatly appreciated!
  9. I have problem in Nexys2 and nexys3 FPGA kit they are not detected as by boundary scan for system genrator even proper and compatible versions of matlab and Xilinx are installed for system genrator if anyone can help please ????
  10. Hello sir, I am using Nexys3 board along with digilent adept for bit file download. But in this board there are only 8 switches. I have seen there is possibility to extend I/O ports virtually with the help of digilent adept but how to use this feature. What is the procedure for this? If suppose i want to implement 8 bit adders i need (8+8) 16 input ports. How to achieve this with nexys3 board?
  11. ivan

    Nexys3 VGA output

    Hello everyone. I'm currently trying to create simple VGA EDK project to show something on the LCD monitor with Nexys3 board. Nexys3 board has Micron celular RAM and I have a problem that every row is represented by four same rows on the screen. I think that my problem is like problem described on Xilinx Community forum: I've used PLB bus and tried setting Video Memory on base address of Micron RAM and on high addres - 2 MB. I have also tried to set Video Memory t
  12. Hi, I need to use a FPGA board in my project where I will need to use LabView. I was thinking about using Nexys3 board. So is it compatible with labview or should I use another FPGA board? Thanks, Alok
  13. laplacier

    xst.exe not found

    Hello there, I'm a beginner to FPGA boards. I only learned about them recently and I purchased a Nexys3 along with a Digital Design Using Digilent FPGA Boards (2012) textbook available from this website in order to get familiar with them. I've been following the textbook religiously but I've come into an issue when I attempt to use the Synthesis Tool on Active-HDL Student Edition. I put in the settings to get it running as instructed by the textbook and I get the following error: I've attached as much information in pictures as I can. I have located xst.exe and pointed to its location for th
  14. CNFM, an academic organization in France promoting microelectronic education, created a one board one student program to let students use Digilent FPGA board outside the classroom. The professor shared their class materials in All materials are in French.
  15. does anybody know how to code PID controller? help will be appreciated?
  16. Hi, I connect the Nexys 3, and when i open the Adept software it doesn't show the PROM option, only the FPGA option which deletes the program every time i power off the Nexys. What should i do for program in the PROM memory? Thanks
  17. Hi I am new here.I want to send data to a output pin of nexys 3 using PmodBT2 to interface between android app Blue term. What I want to do is to switch on and off LED at the out put pin of nexy's 3 from my mobile phone.
  18. shrestha

    Nexys 3/ PWM

    hello all, I am doing small class project. I would really appreciate if any one can help me with this. we are using SDK and we are trying to control servo which require PWM signal. I don't know how to generate PWM signal to control servo. I know it require two timers to do it. Thanks!!!
  19. Hii.. I am presently working on NEXYS 3 FPGA board and trying to interface the PMOD TMP2 and PMOD NIC 100, I have completed programming for those modules, but while actually interfacing them I am facing a problem as to 1. HOW AND FROM WHICH PIN CAN I APPLY AN EXTERNAL CLOCK TO THE NEXYS 3 KIT ?? 2. ALSO THE PMOD PINOUTS FROM JA1 TO JD10 ON MY BOARD CANT BE ALLOTED TO THE PMOD TMP2 and PMOD NIC 100 MODULE INPUTS IN XILINX PLAN AHEAD, IF I ASSIGN THEM ON THE SOFTWARE THEN WHILE ACTUALLY CHECKING THE WORKING THERE IS NO OUTPUT..!! I AM USING Xilinx ISE Design Suite 12.4 HOW C
  20. I got redirected to this forum by the Sales Team, so I hope I'm in the right sub-forum. Currently I'm using a Nexys 3 board and I'm in the need of more Pmod connections. I therefore thought of purchasing a VmodMIB extension board. Both boards, the Nexys 3 and the VmodMIb, can be connected together over a VHDCI connector. Unfortunately the direction (male/female) of these VHDCI connectors is not indicated in the reference manuals. So my questions: Do they have opposite direction so that they can directly be plugged into each others VHDCI connector without need for a cable? If no, which dir
  21. Hii.. I am a beginner and presently I am working on NEXYS 3 FPGA board, I am trying to communicate NEXYS 3 with my computer using PMOD NIC 100. My doubt is how and by using which Protocol can I interface my PMOD NIC 100..?? can it be interfaced by RS232 since I have to transmit temperature data only (I am using PMOD TMP2 for that) Is it a proper way to communicate it..??..Or should I use any other protocol..?? Kindly Help...
  22. For a NEXYS3 is there a component you know of that will take either the PMOD outputs or the differential VHDC outputs and logic shift high logic level to above 3.6v. Need to do fast to preserve fidelity of 20nS wide pulse. Thinking 100 MHz min bandwidth for level shift component. Thanks.
  23. I've got the Nexys 3 board and it's reading some data from a peripheral, but I can't debug what's on the board because I'm not about to spend 600+ on chipscope. So I've thought about the possibility of using the UART to send data back to the PC to analyze there, but the problem is there's really just about zilch information out there on how to use the UART on this board. Let's be honest, the Digilent Nexys 3 user guide (pg 12) is absolutely useless in this regard. It explains what the UART does from a high level, and mentions using free FTDI drivers, but has absolutely no information whats
  24. I recently purchased the PmodMIC to use with my Nexys 3 board and Analog Discovery. Finally after a bit of coding, I seem to have gotten it to run continuously, but I have just a few questions. In the PmodMIC reference component PDF, it states: The VHDL component is an entity named PmodMicRefComp which has five inputs and five outputs.The input ports are a 50MHz clock,.... (BTW, I think the 5 inputs, 5 outputs thing is a typo ). But my first question is: 1) Is it possible to lower the sampling rate? Apparently the 50 MHz input clock gets divided down to 12.5 MHz inside the PmodMICRef
  25. hi, we are trying to read data from 4 wire resistive touch screen. can any one help us figuring this out? We have the voltage reading from touch screen, we don't know exactly how we code that reading to Pmode and implement it to nexys3. help will be appreciate!!!