If i use 4mhz and 10mhz both oscillator(seperately) in a
pic microcontrolller what is the difference happens in the
input ?

Answer Posted / vinit92

when you are using 4mhz frequency than operation time will
be increases and it's getting some times for giving output .
and when u r using 10mhz frequency than it is getting lesser
time to give up a output . simply f=1/t.so when f will be
increase than t decrease and when f decrease than t will be
increase . in 4mhz freq. baud rate is lesser than the baud
rate in 10mhz frequency so operation time will be decreases
in 10mhz frequency .
....so only difference is the time required to operation
speed is increase in 4mhz and decreases in 10mhz freq.

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