Leighton, > Ok then...forgot about the divider value. Well, I tried out what u said too. I expect it to work but apparently the PLL's still not locking...Any ideas? > > > Your setting of PLLCFG would cause it to run at 4*14.7456MHz * 2 * 1 == 117.96MHz, > > just outside the allowed range. Set P to 2 and you should be ok => PLLCFG = 0x23. > > <snip> > > PLLFEED = 0xAA; > > PLLFEED = 0x55; <snip> the only thing left I can think of is, that the feed sequence doesn't do what it should. Do you have interrupts enabled during the above? -wue
Message
Re: [lpc2000] PLL not locking
2004-08-25 by Uwe Arends