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Anyone got a good FPGA flow?

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[quote][i]Originally posted by digits[/i]
[br]Hi guys, I have been using Easy-PC for a number of years as part of my electronics hobby, but only for pretty simple designs. I now have a few projects in mind that need FPGA's and/or modern processors in high-pincount BGA packages. Unfortunately I've come a bit unstuck at the component entry stage...

One of the advantages (or problems depending on your point of view) with FPGAs is that they don't have a fixed pinout apart from power pins etc. I can get nice ASCII pinout tables from the Xilinx-FPGA software, but I can't see an easy way to import them into Easy-PC.

I have tried to import them in CSV format, but I don't seem to be able to do that unless I can cope with a single 'gate'. This results in schematic symbols with 200+ I/O's which are pretty unmanageable IMHO.

I also don't seem to be able to get the pin-naming in row/column format quite right - the row/column offsets don't seem to stay at 1 when I edit them.

So, I guess my question is what's the best way to enter very large multi-gate components (200+ pins) from a pinout in ASCII form?

Cheers,
          Joe.

[/quote]

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T O P I C R E V I E W
digits	Posted - 31 May 2011 : 21:10:16 Hi guys, I have been using Easy-PC for a number of years as part of my electronics hobby, but only for pretty simple designs. I now have a few projects in mind that need FPGA's and/or modern processors in high-pincount BGA packages. Unfortunately I've come a bit unstuck at the component entry stage... One of the advantages (or problems depending on your point of view) with FPGAs is that they don't have a fixed pinout apart from power pins etc. I can get nice ASCII pinout tables from the Xilinx-FPGA software, but I can't see an easy way to import them into Easy-PC. I have tried to import them in CSV format, but I don't seem to be able to do that unless I can cope with a single 'gate'. This results in schematic symbols with 200+ I/O's which are pretty unmanageable IMHO. I also don't seem to be able to get the pin-naming in row/column format quite right - the row/column offsets don't seem to stay at 1 when I edit them. So, I guess my question is what's the best way to enter very large multi-gate components (200+ pins) from a pinout in ASCII form? Cheers, Joe.
2 L A T E S T R E P L I E S (Newest First)
digits	Posted - 07 Jun 2011 : 08:36:34 Hi John, thanks for the reply! It is interesting you suggest Eagle libs. I have had a quick go at importing some pre-existing Eagle libs, and it does seem to be possible to import multi-gate components. I guess this is a question for the chaps at Number One, but is the Easy-PC .eil format documented anywhere, or would I have to do : Xilinx ASCII output --> scripting-magic --> Eagle lib --> Eagle Export as .eil --> EasyPC import? Cheers, Joe.
johnt	Posted - 06 Jun 2011 : 17:14:49 hi joe If you get really stuck it may be worth looking through the eagle libraries at: http://www.cadsoft.de/cgi-bin/download.pl?page=/home/cadsoft/html_public/download.htm.en&dir=eagle/userfiles/libraries There may be something there you can import and/or adapt. I have been able to import these occasionally with just one small problem - half the text comes in upside down. This just takes a few minutes to fix though. Be careful to check the specs though - there is no guarantee they are always totally accurate. --------------------------------- New: Design For Manufacture Forum http://www.johntech.co.uk/dfm All visitors welcome.