Monthly Archives: December 2009

So since I first picked up this Xilinx Spartan-3E starter kit evaluation board, I’ve been trying to get some memory working on the FPGA.  The DDR is as elusive as beast as I can find.  I’ve not yet given up, … Continue reading →

I hate when this happens. The Parallax SX microcontroller line has reached production EOL. The owner of the SX design (www.ubicom.com) has given Parallax final notice that we are to place a lifetime buy of wafers. We recognize this announcement … Continue reading →

Here’s a histogram of one track off an amiga floppy disk.  Notice the peaks near 4us, 6us, and 8us. I’ve got this data from my logic analyzer, crunched through my little C proggie, and then graphed with Excel. This shows … Continue reading →

I bought at Saleae Logic which is an inexpensive logic analyzer.  See link here. It isn’t nearly as fast (only samples at 24mhz max), and it doesn’t have as advanced triggering capabilities, but it does do millions->billions of samples. So, … Continue reading →