[zxspectrum] zxmmc+
- From: "Alessandro Poppi" <apoppi@xxxxxxxx>
- To: <zxspectrum@xxxxxxxxxxxxx>
- Date: Mon, 23 Apr 2007 08:35:45 +0200
Sto incontrando difficolta` inattese durante il collaudo di questa
interfaccia.
In particolare, anche eliminando dalla cpld tutta la logica addizionale e
lasciando solo l'interfaccia sd/mmc, ampiamente collaudata sia sul badaloc
che con la zxmmc, quest'ultima non funziona.
La cpld e` la stessa (xc9572xl) anche se in contenitore diverso (68 pin
invece di 44) e l'altra unica differenza e` la connessione via pettine
invece dello zoccolo del processore. Temo possa trattarsi delle mie scelte
di piazzamento dei pin, che ho interamente deciso in base alla
"sbrogliabilita`" del pcb e che potrebbero provocare dei malfunzionamenti
imprevisti nonostante il compilatore non desse errori.
Mah.
Ciao!
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- References:
- [zxspectrum] SpecOS
- From: Francesco S.
- [zxspectrum] Re: SpecOS
- From: Stefano
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