BMA400 I2C lock ups during debug. Known recoveries ?

[JeffCalwood]

Hello,

I am debugging a system which creates non-I2C-conform pulses on the bus during upload to the target processor. Not sure if it is those, but I occasionally have the BMA400 non responding to I2C. I tried to send several clock pulses, and several 'I2C stop signatures', but I can only get the chip back through power cycles.

Are there known conditions to lock up a BMA400, and likewise are there known ways to get it out ?

Thanks.

[kgoveas]

Hi JeffCalwood,

It is hard to ascertain what locked up the BMA400. Could you send the traces of the bus, preferably a logicdata file with the help of a Saleae logic analyzer?

Regards,
kgoveas