On Thu, Mar 25, 2010 at 8:54 AM, Sebastien Lelong < [email protected]> wrote:
> Hi guys, > > Thanks for your answers, I think I'll stay away from overclocking this PIC > (even if hobby, as Vasile's nose smelt it despite the numerous kilometers :) > > I was hoping to use it in a Jaluino board, instead of 18f4550, even if > loosing USB. Jaluino has a 20 MHz external crystal, so my previous question. > I could run 18f46k20 at 20 MHz (no PLL), but I could also use internal OSC > and run it at 16 * 4 = 64 MHz. The problem is I don't want to > solder/unsolder the crystal. > For HC49 you may use two augat pins (three, with the center pin unused) from an 100mil IC socket. Connections to PIC must still be short. > What if I keep it on the board, but use internal OSC ? Would it cause > troubles ? Maybe setting corresponding pins to output ? > > Cheers, > Seb > > 2010/3/25 vasile surducan <[email protected]> > >> >> >> On Thu, Mar 25, 2010 at 1:51 AM, mattschinkel >> <[email protected]>wrote: >> >>> I think CPU's are built for a higher frequency. The question may be >>> "what is that frequency?". >> >> >> Take a project which is fully functional and is suitable for over >> clocking. Increase the frequency step by step and test how it works in a >> climatic chamber at requested temperature and humidity and you'll find the >> answer. I have tested only up to 25Mhz non PLL PICs (including 4MHz >> versions), and the answer you'll already knew it. >> >> Vasile >> >> -- >> You received this message because you are subscribed to the Google Groups >> "jallib" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<jallib%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/jallib?hl=en. >> > > > > -- > Sébastien Lelong > http://www.sirloon.net > http://sirbot.org > > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<jallib%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/jallib?hl=en. > -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
