Hi Dave -

Sign me up for one, please.

- Eric

-----Original Message-----
From: [email protected] [mailto:[email protected]]On
Behalf Of David Fry
Sent: Monday, April 27, 2015 10:17 AM
To: [email protected]
Subject: [N8VEM-S100:6834] Simple GAL programmer for GAL22V10


Hi Everyone,


Whilst recently building up my S100 XVGA board I stumbled upon a problem
with programming the Lattice GAL22V10's, my Chinese MiniPro programmer
claims to be able to program them but alas it failed to burn any of the
GAL22V10B's I had. Interestingly it would program GAL22V10's (without the
A,B,C or D suffix) but this left me with a problem as I have about 20 x
GAL22V10B's and only 2 x GAL22V10's, internet research seems to suggest that
the programming requirements may vary between different GAL suffixes and
even different manufacturers of the same part.


In the end I tracked down and old internet webpage for a simple Lattice GAL
programmer that programs various Lattice GALs via a PC parallel port. The
software is very basic being MSDOS command line stuff but it works for me
and gets the job done. So far I have erased and programmed Lattice
GAL22V10B's and Lattice GAL16V8D's I cannot vouch for any other GAL models
or GAL manufacturers.


More details can be found on the following link.


http://elm-chan.org/works/pgal/report_e.html


As a one off I have had a short PCB run done of 10 boards (they actually
supplied 12) but unfortunately the PCB house made a small but correctable
error in the fabrication of the board (see image GALprogPCB Error.jpg), I
have received a full credit for the boards and so I got them for free.


I would like to offer these PCB's for FREE to anyone out there who does not
have the facility to program GALS, with the restriction of one board per
person and you pay the P+P (shipping) cost which will be UK £3.75p to
USA/Canada (1st class airmail) or UK £3.50p to Europe (1st class airmail).


If anyone is interested submit your name to this post and payment can be
sorted once the names are in.




I'm happy to upload the KiCad files if someone can tell me which folder to
put them in.


regards


David Fry





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