On Thu, Apr 21, 2011 at 1:45 PM, V G wrote: > On Thu, Apr 21, 2011 at 1:28 AM, Xiaofan Chen wrote: > >> =A0The tutorial here may help. >> http://ece.wpi.edu/~rjduck/ece3810.htm >> http://ece.wpi.edu/~rjduck/ece574.htm >> >> The schematics should give you the information you want. >> http://www.digilentinc.com/Data/Products/NEXYS2/Nexys2_sch.pdf > > I found those two sites, but all examples were much too complicated and w= ere > written in VHDL. One of the tutorial is written in Verilog. http://ece.wpi.edu/~rjduck/Counter%20Tutorial%20Verilog.pdf > All I want to do right now is blink an LED, or light up an LED when a but= ton > is pressed, but I have no idea how. I learn best by examples. > Anyway, the following is the exactly what you want. I am not familiar with VHDL/Verilog/CPLD/FPGA stuff but I can at least understand what the turtorial is trying to do. http://www.digilentinc.com/Data/Documents/Tutorials/Xilinx%20ISE%20WebPACK%= 20Verilog%20Tutorial.pdf This file may help as well. http://www.lbebooks.com/downloads/nexys2.ucf --=20 Xiaofan --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .