[quote user="Roberto Romano"]Hi, I abandoned Microchip stuff a lot of time ago, IMHO try Fairchild or NXP if compatible with, I read about a lot of issue with Mchip device to stay away.[/quote]
USB3320 was a SMSC product. Microchip has acquired SMSC.
I don't have any objection to SMSC parts quaility.
[quote user="mil meh"]Would you be super kind and direct me to where I can find the tested Microchip USB3320 design?[/quote]
Refer to EVB-USB3320 design - an evaluation board of USB3320
http://ww1.microchip.com/downloads/en/DeviceDoc/evb3320user.pdf
Tsuneo