[time-nuts] Low cost logic analyzer
had at to-way.com
Fri Apr 25 12:32:26 EDT 2008
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..............
At 08:49 AM 4/25/2008, you wrote:
>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:
>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.
>Ortholzer Weg 1
>27243 Gross Ippener
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