I believe the FCC refers to the max frequency used anywhere
in the circuit, so internal frequency would matter here.

Cheers,
-Neil.



> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Peter L. Peres
> Sent: Sunday, August 25, 2002 2:13 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [AVR]: Wondering about the avr...
>
>
> On Sun, 25 Aug 2002, Pic Dude wrote:
>
> >Whereas I've never needed to run a pic at max frequency (nothing I
> >do has been that speed critical), I can see this non-div-by-4 clock
> >as being useful for getting the max speed out of a processor while
> >meeting the FCC 1.705Mhz exemption threshold.
>
> By the way what is the status of internal clock ? If one takes a 12C508A
> f.ex. and uses internal RC then what clock frequency does it run on for
> FCC purposes ? none ? In my experience a poorly decoupled switching stage
> using a fet makes much more noise than a PIC in such a configuration.
>
> Peter
>
> --
> http://www.piclist.com hint: PICList Posts must start with ONE topic:
> [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads
>
>
>

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads