PIC18FxxJ60 w/PLLx5 and #use delay

[bkamen]

Hey all,

I'm using a PIC18F97J60 and would like to run at max speed which for this chip means turning on the PLL (x5) and then the pre/post scaler.


The datasheet allows for a 25MHz Xtal which x5 = 125MHz which is out of range... so instead you can set it for 25MHz / 3 * 5 = 41.6667MHz.

But what should one put in #use delay (clock=41.6667M, crystal=25M)??

I have this and now my #use RS232 statements produce gobbledy gook for obvious reasons.

I'll fiddle, but I thought I might ask some of you if there's a more official answer.

Thanks!

-Ben

UPDATE: I fixed this. Make sure to use clock=41666700 with #fuses H4_SW and setup_oscillator(OSC_PLL_5_DIV_3) and all is fine.
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Dazed and confused? I don't think so. Just "plain lost" will do. :D