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Found 6 results

  1. Hey all, First off, I apologize - I'm at work, now, with no access to the hardware, o-scope, etc. So all from memory for now, until I can get some time at home.... NOTE: All development being done under Xilinx ISE 14.7 WebPack. Target platform is an Opal Kelly XEM3005 (Xilinx Spartan 3E) Day 1: Wrote & sim'd Verilog to drive a PMODAD1 12b ADC. Seemed to work as planned. Day 2: Tried interfacing to an Opal Kelly XEM3005 (Spartan 3E) board with 3.3V logic & power. No joy. Funky stuff going on. Began troubleshooting. Day 3: Wrote code for Ras
  2. tomii

    Howdy

    Hey everybody! Taught myself just enough Verilog to be dangerous from 2013-2015 or so. Wrote a bunch of (boring) articles for a now-defunct trade site (absorbed into EETimes) about the process. Some of that stuff might still be available if you're lucky enough to find it. Did most of my learning on Opal Kelly XEM3005 - which I gotta say is an *excellent* platform (get yourself a breakout board, tho). I've started doing some stuff with Digilent devices a couple years ago, but haven't had any real opportunity to dig in to the "new" Arty or Zynq-based boards. So sitting
  3. Hi all, I am doing a project on vhdl in which i am trying to display a pattern (like forming an eight) on seven segment display on spartan 3 fpga kit.I have written the vhdl code and simulation works correctly,but the problem is i am not able to write the ucf code (written but may be wrong) required for implementation on spartan 3 kit.I would highly greatful if anyone can help me as to how to write ucf code or modify my vhdl code. Thanks in advance. Regards, Nikhil Singh pattern generator.txt
  4. Nikhil Singh

    FPGA projects

    Can anyone suggest me some good beginner level projects which i can implement on spartan 3 fpga kit using VHDL. I have some projects in mind like the implementation of 8-bit microcontroller in fpga. But is the project too complex is think.It would be great if anyone can suggest me how to begin.Thanks in advance.
  5. Hello, On Digilent's EEBoard, what is the max safe sink/source current for any one digital I/O pin/channel? An internet search, and parsing the Spartan 3 datasheet, suggest 8mA per pad/pin. If so, that's really unfortunate; I'd rather not have to buffer this 10~15mA IR LED if I can avoid it. -Charlie
  6. I just bought a used Spartan-3 starter board rev e. It came with no original disk, or manuals, just power supply and Xilinx ISE 6.3i. When plugged in, it does a self test and then is displaying "spartan-3 starter board" scrolling across display. If i program something else into board, how do i restore this test program. I downloaaded all avalable .zip files from the page on digilentinc.com about this product, but none seemed to include this original program. Are there more resources?