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why we are using only 11.0592MHZ by only crystal oscillator,why not other oscillators?and why we are using external oscillators,in 8051 itself consists internal oscillators give reasons?
Hi,
Sounds like you a question from an exam.
That particular frequecy can give 9600 baud rate which will give theoritically 0% error.
External crystak oscillators are supposed to be more reliable. In most of the designs the internal oscillator is used as a back up only whenever the external oscillator fails.
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