Hi,

> So, FTDI or CDC ? FTDI indeed requires a driver, but doesn't CDC too ?? FTDI
> is also widely used, it's become a standard. I would prefer a USB converter
> acting as a FTDI device, but I think implementation is far from easy (and
> maybe not open).
Microsoft started off quite bad on the cdc driver. They do improve but
iirc there is still a bug with toggling RTS / DTR on XP. Don't know if
this is resolved in newer versions. FDTI  drivers are much more stable
in my experience. Downside is you are not allowed to use the FTDI
drivers with other chips than FTDI. There are however implementations
of the driver on PICs that seem to work okay.

Joep

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