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Assume that XTAL = 8MHz. Find the TMR0H, TMR0L value needed to generate a time delay...

Assume that XTAL = 8MHz. Find the TMR0H, TMR0L value needed to generate a time delay of 1msec. Using Timer0 in 16-bit mode and a prescale valye of 1:128.

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Answer #1

Answer :- The value of timer frequency is-

The time period value is-

Delay value needed is 1 ms. Thus the count value for the timer is-

Taking this as 62 or 63 i.e. some integer value. Thus the 16-bit representation of 63 is-

Since timer over flows when reaches 0xFFFF, hence the timer value will be-

Hence the timer values are-

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