From: Gideon Zweijtzer (gideonz_at_dds.nl)
Date: 2002-05-02 15:50:37
|> The fact is that I haven't access to FPLA programming equipment :-/
|
|Since a standard PAL/GAL like 22V10 or similar won't be enough in terms of
|I/O you need to move towards CPLDs anyway - and these guys usually come
|with in-circuit programmability these days which means that all you need
|is a programming cable from your PC's parport to the 4 JTAG pins of the
|CPLD.
|
|The programming software usually is free, some vendors even supply raw
|material for people needing to embed these routines into own computer
|designs.
True. I think you can even use the Altera WebPack and use an EPM7032S. This
device only costs a few $, in the slowest speed grade. For programming you
can directly connect the parallel port pins to the jtag pins of the pld; you
don't necessarily need a ByteBlaster for that. (Note: the 3032 would even be
cheaper, but it's a 3.3V only device.)
I found the PLA contents somewhere written out in logic formulas, but I
guess I don't even have to mention this on this hackers group..
Gideon
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