Thanks to all for your answers, I will set a testbench today and report later on some results! Cheers, Andrea
2014-11-18 7:44 GMT+01:00 David George <dgeorges...@gmail.com>: > This problem is likely the FTDI not being configured to tristate the > IIC pins on reset, hence they are likely driven. This may be weakly > enough that IIC open drain might work, or possibly some are configured > to tristate and other aren't, or the config is random - just a > thought. -- Andrea Mattana I.N.A.F. - Istituto di Radioastronomia Radiotelescopi di Medicina Via Fiorentina, 3513 - 40059 Medicina (Bo) Tel. 051/6965834 Fax. 051/6965810
