Ulrich, I'm sure you have looked for this but, check for ringing on the bus lines. As the buss is loaded with additional devices and/or lengths increase ringing can occur and create false clock cycles causing all kinds of weird problems.
Not an answer to your basic question, but.............. Had, K7MLR At 08:49 AM 4/25/2008, you wrote: >Gents, > >I know some of you are hardware hackers like me too. In the 25 years of >electronic development I have always refused to work with logic >analysers and always have claimed "Give me a fast scope and some hours >and I will do the job". However, these days I had VERY strange problems >with an I2C bus based device. > >Communication on the bus would work flawlessly over hours and then stop >due to... yes, due to what? That clearly is an situation where the "fast >scope" mentality not applies. On the search for something affordable I >came over this: > >http://www.pctestinstruments.com/ > >I still have the device not here and still do not know the reason of my >problems but the technicians at Intronix said to me "That is exactly >what we have built it for" when I asked them very specific if their >device could be helpful in this situation. It it were true this thing >were worth its price in gold. > >Best regards > >Ulrich Bangert >www.ulrich-bangert.de >Ortholzer Weg 1 >27243 Gross Ippener > > >_______________________________________________ >time-nuts mailing list -- time-nuts@febo.com >To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.