Re: [avr-chat] XMEGA clocking questions

[Graham Davies]

Erik Walthinsen wrote:

> In theory you can use the 48MHz clock divided by 2 to drive the CPU at 
> 24Mhz, but there's no way to get 32Mhz out of the USB SOF+DFLL ;-(
>
> Also, the 2Mhz DFLL can *only* be driven from internal or external 
> 32.768KHz, which means you can't use the SOF to calibrate the CPU clock as 
> driven by the 2MHz * PLL.

OK, this doesn't contradict anything I wrote and I don't think the OP wanted 
the CPU clock synchronized to SoF, so I'm not sure where you're taking us 
with this additional information.

Graham.