Dec 6, 2006 #1 B billlee000 Newbie level 5 Joined Aug 13, 2005 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,330 homebrews cpld Dear all, I have some PLDs such PAL16L8 and PAL20L8. Does anybody have homebrew programmer for PALs ? It seems not available on the web ? Regards, Bill Lee
homebrews cpld Dear all, I have some PLDs such PAL16L8 and PAL20L8. Does anybody have homebrew programmer for PALs ? It seems not available on the web ? Regards, Bill Lee
Dec 6, 2006 #2 Kripton2035 Advanced Member level 4 Joined Jul 19, 2001 Messages 1,182 Helped 212 Reputation 428 Reaction score 193 Trophy points 1,353 Location Western Europe Activity points 8,173 homebrew cpld these one should go : http://www.geocities.com/mwinterhoff/galblast.htm or http://elm-chan.org/works/pgal/report_e.html
homebrew cpld these one should go : http://www.geocities.com/mwinterhoff/galblast.htm or http://elm-chan.org/works/pgal/report_e.html
Dec 7, 2006 #3 B billlee000 Newbie level 5 Joined Aug 13, 2005 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,330 They are only for GAL devices, not for older PAL device. Thanks, Bill Lee
Dec 9, 2006 #4 A AndaMan Junior Member level 3 Joined Apr 12, 2004 Messages 31 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 235 I used to built one 20 years ago base on appleII computer, it's quite complicate required numbers of of multi-state logic 0v/5v/12v/Hiz pins (8-10 pins) and PAL is one-time programable you may waste lots of chip before the programmer will work.
I used to built one 20 years ago base on appleII computer, it's quite complicate required numbers of of multi-state logic 0v/5v/12v/Hiz pins (8-10 pins) and PAL is one-time programable you may waste lots of chip before the programmer will work.
Dec 9, 2006 #5 B billlee000 Newbie level 5 Joined Aug 13, 2005 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,330 We can use GAL to simulate the PAL function since it can be reprogrammable. Once the design is finished. We can convert it into PAL. But so far, there is no homebrew PAL programmer available on Web. Regards, Bill Lee
We can use GAL to simulate the PAL function since it can be reprogrammable. Once the design is finished. We can convert it into PAL. But so far, there is no homebrew PAL programmer available on Web. Regards, Bill Lee