> > Yes: With a 12 MHz xtal the minimum CPU frequency is 24 MHz. > No: You could use a 18 MHz xtal, then the CPU frequency is 18 MHz. How do you get 48MHz on the USB PLL with an 18MHz crystal? When using USB, PLL1 opposed to PLL0 has to be set for 48MHz. Joel [Non-text portions of this message have been removed]
Message
Re: [lpc2000] USB question
2006-01-28 by Joel Winarske