Can I use a 24mhz or 19.968 mhz crystal clock oscillator ?

for 16f877 ?

use a 24 mhz or 19.968 mhz crystal clock oscillator?

Re: Can I use a 24mhz or 19.968 mhz crystal clock oscillator

xpembedded said:

for 16f877 ?

use a 24 mhz or 19.968 mhz crystal clock oscillator?

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You could certainly use 19.968MHz, it's within the specification for a 20MHz PIC - but a 24MHz is highly likely to work anyway, although it's out of specification.