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Rays 4.3" LCD and _clkfreq — Parallax Forums

Rays 4.3" LCD and _clkfreq

JonathanJonathan Posts: 1,023
edited 2010-07-25 16:53 in Propeller 1
Hi All,

I'm having some serial comms issues with a Prop using Ray's 4.3" LCD. One thing I notice is that at the top of Ray's code we have:

_clkmode = xtal1+pll16x
· _clkfreq = 80_000_000

I am running a 5mHz xtal off a protoboard. I don't know why it even works, yet if I try to change it to the usual, the screen won't work.

So, the questions are:

Why does it work?
Could it be messing with the timing of my serial comms?

Thanks!

Jonathan

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