Re: Sudden failure in early life
Steve in Okinawa
Thanks for this diagnostic, Glen. Since i just started yesterday from the, "Doctor, I don't feel well" level, I have no idea what all that actually means, not to mention what to do about it. I'm an old RF guy but in the dark ages with microprocessors.toggle quoted messageShow quoted text
73 from Okinawa
Steve Fabricant JS6TMW
On Mar 18, 2018, at 4:57, Glen Leinweber <leinwebe@...> wrote:
Your I2C transaction looks to be corrupted.
I have transformed your 'scope image (below).
SDA should rise between transactions. It doesn't.
"ACK" looks to come in the middle of a transaction (should come at the end.
Am guessing a power-up problem. Perhaps a slow rise in the DC supply?
In any case, looks like SI5351A sees a I2C framing error.