I don't know how crowded the board is, but I would use an SMD DIP clip instead of unsoldering the chip.
Joe Gray W5JG On Oct 10, 2014 8:30 AM, "Tom Wimmenhove" <[email protected]> wrote: > I recently came across a thread on this list about undocumented FE5680 > commands. I have been using a little linux command line tool I wrote years > ago for tuning the unit and decided to add these commands to it. > Since this mailing list was the place I found the unit (someone linked to > an ebay seller) I figured I' d join the list and throw it on here :) > http://www.tomwimmenhove.com/otherstuff/fe5680-0.2.tgz > > Now, the bad news. I had my unit running overnight while logging the serial > command output that reads the ADC, and in the morning it was no longer > locked. The 10MHz signal disappears about 5 seconds after power-on, and > programmed offset was somehow reset to zero (it had been set to -645). So > it appears as if the internal EEPROM has been corrupted. > I read a post from Elio Corbolante where he posted EEPROM and firmware > dumps. Anyone have any idea on how to re-write this firmware back into the > EEPROM by hand (would this be possible through JTAG, or do I actually have > to solder the chip out of there? :) ) Or maybe there's someone willing to > sell their broken unit I could take the chip out of? > > Regards, > Tom > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
