Hi, Dave
For HSPLL Osc ...
I just run a 12 Mhz XTAL on a 18F4420, PLL Engaged ... everything fine.
So, May be the XTAL ... or may be your board layout ( 40 Mhz is HF !!! ) or ... poor quality capacitors.
Alain
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Hi, Dave
For HSPLL Osc ...
I just run a 12 Mhz XTAL on a 18F4420, PLL Engaged ... everything fine.
So, May be the XTAL ... or may be your board layout ( 40 Mhz is HF !!! ) or ... poor quality capacitors.
Alain
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Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
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IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
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