Hello! didier derny wrote: > I know that they are bot pin compatible > my question should have been: > can I do with a CPLD all I can do with a GAL ? Yes, and much more. > actually on the main cpld, I have > - 12 bits of address A15-A4 (for the register and the exclusion in > $FFF0-$FFFF > - 8 bits of data for the register and experiment > - 4 bits for the selection of the page in ram > - 1 bit den signal > - 1 bit cs for sram > - 1 bit cs for eprom > - 1 bit used but I dont remember for what :( OK, that is 28 lines which is exactly how many you can extract from your CPLD now :-) I would suggest narrowing your data bus to 4 bits, and using more than one register instead. Internally you will still have the same number of latches, but outwardly it will require less pins. This will save you pins and you will have some free for your experiments. Regards, Michau. Message was sent through the cbm-hackers mailing listReceived on 2012-09-18 09:00:05
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