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PICList Thread
'Pic Clock-Speed'
2000\05\29@182253 by lu01ts

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Hi picsters,

I've got a simple question (hope so).

What does is meant if a pic is designed for 10Mhz ? 10Mhz external clock
which would mean that the pic would work with 2,5Mhz internal clock or
external 40Mhz maximum which would lead us to 10Mhz internal clock ?

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2000\05\29@182502 by David VanHorn

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>What does is meant if a pic is designed for 10Mhz ? 10Mhz external clock
>which would mean that the pic would work with 2,5Mhz internal clock or
>external 40Mhz maximum which would lead us to 10Mhz internal clock ?


The speed rating is the external xtal speed.  A 10 MHz pic gets 2.5 MIPS.

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2000\05\29@183123 by Mark Willis

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The 10MHz means maximum clock (crystal) speed that it's been tested with
- we call it 10MHz Clock, and 2.5 MIPS (Million instructions per
second.)  While you can overclock, it's at least a good idea to TEST if
you do - and if you tried feeding a 40MHz clock to a 10MHz PIC chip, I'd
recommend a heat sink...

 Mark

spam_OUTlu01tsTakeThisOuTspamGMX.NET wrote:
{Quote hidden}

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