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Thread: Working dual-clock speeds
www.piclist.com/techref/microchip/time.htm?key=clock
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face BY : Dan Michaels email (remove spam text)



Roman Black wrote:
.....
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Hi Roman, a variation on the old AND-OR logic, I see.
Good start. The series Rs at 10K would probably be too big
for 20 Mhz operation - 2-3K might be alright.

Do you really need the pull-up diodes to the pins? Why not
just float vs pull low.

Now the stinker - can you do the switch using only 1 PIC pin?

best regards,
- dan michaels

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