>> tapes, etc. but that won't last, next viewing date is Thursday. Maybe
>> related I found a dozen or so Xylinx (sic) protoboards, size of a punch
>
>Xilinx are, of course, well-known for FPGA chips.
>
>> card half of it open, 2 digit display, couple buttons, some kind of serial
>> looking connection, runs off a 9v battery, big socket in the middle with a
>> square chip in it of the same name. Sorry to be doing this from memory, but
>
>These sound like FPGA demonstration boards. The FPGA is the 'big chip'.
>The connector is to link it to a PC (probably using a special 'download
>cable' at TTL levels -- I doubt if it links to a serial port) to program
>the chip. The displays and buttons got to I/O pins on the FPGA so you can
>have user inputs and outputs to the logic circuit you program into the FPGA.
>
>-tony
This has some I think relevent info
http://toolbox.xilinx.com/docsan/2_1i/data/common/hug/hug3_1.htm
The boards I have I think are all XC40xx-PC84, and the chip is a XC4003A. I
have about a dozen boards, unfortunately only maybe 3 or 4 cables, but they
don't appear complex.
Received on Wed Aug 30 2000 - 21:20:30 BST