Posted on May 17, 2011 at 11:57Hi, try 1nF-10nF (4n7) SMD805 capacitor in serial with 1u5 or 2.2uH SMD0805 inductor between ground and XTAL2. Petr Quote:On 2003-11-30 16:39, Leor wrote: Hi, Does any one have a working xtal fundamnetal frequency filt...

Posted on May 17, 2011 at 11:56Hello, 1. When a USB device is attached, the host issues a reset signal. When the reset signal is released, the USB device (uPSD) enters the unenumerated state. Then the host performs a bus enumeration to identify the ...