Re: Serial connection is garbled at 32MHz

Greg Ungerer <[email protected]> Sat, 19 Apr 2008 02:59:28 +1000
Newsgroups gmane.comp.hardware.motorola.microcontrollers.coldfire
Message-ID <[email protected]>
Hi John,

John Bodnar wrote:
> Greg Ungerer wrote:
>> I presume that you mean you are hooking up a 32MHz crytsal to the
>> 5282 chip?
> 
> The 5282 crystal oscillator is specified for 2 to 10 MHz, so it cannot 
> run directly from a 32 MHz crystal.  If you want to run at 32 MHz, the 
> PLL needs to be configured, appropriately, to multiply up some reference 
> between 2 and 10 MHz to the desired frequency.

Ok, thanks John.

So Loren, what is the external clock frequency?
What do you have the PLL setup for?

Regards
Greg


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Greg Ungerer  --  Chief Software Dude       EMAIL:     [email protected]
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