[avr-chat] XMEGA clocking questions

[Rick Mann]

It seems that it's really not necessary to include a crystal in XMEGA-based 
designs, even if using the USART or USB, is that correct? The XPLAINED boards 
only have a 32kHz crystal, I assume for good real timekeeping.

Or do they rely on that and the PLL to generate accurate peripheral and USB 
clock frequencies?

-- 
Rick