On Wed, Mar 24, 2010 at 3:22 PM, Sebastien Lelong < [email protected]> wrote:
> Hi guys, > > I received my samples from Microchip, and now got some fresh new 18F46K20. > This chip, using PLL, can run up to 64 Mhz, as specified in datasheet ( > http://ww1.microchip.com/downloads/en/DeviceDoc/41303G.pdf). From what I > understand, this can be acheived either using internal OSC, or using a > crystal. With 16 MHz Xtal, you have 16 * 4 = 64 Mhz, 4 being the black magic > factor coming from PLL. > > Now, what if I use a 20 MHz Xtal ?... Will PIC gets burnt ? Or will it just > won't work ? > 20MHz PICs works ok at 25MHz 40MHz PLL (10Mhz XTAL) works at 48Mhz (12MHz XTAL) At 80MHz there is very low chance to work. > > Cheers, > Seb > > -- > 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.
