[hpsdr] Cypress USB Problem

Lyle Johnson kk7p at wavecable.com
Wed Jul 5 09:46:54 PDT 2006


Hello Chris!

> Now, since you've tried to boot both with and without the EEPROM, this
> doesn't seem likely, but maybe you should poke just a little more around
> pin 35; it's floating in the schematic.

It appears that this was the problem.  I re-installed the FX2 chip, 
added a ground to pin 35 (and +Vcc to pin 101) and voila!  It now 
enumerates properly.

Thanks to the list for all the help and suggestions.

73,

Lyle KK7P



More information about the hpsdr mailing list