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What is the maximum delay that can be generated with the crystal frequency of 22MHz?

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in Microcontroller by (14.6k points)
What is the maximum delay that can be generated with the crystal frequency of 22MHz?

(a) 2978.9 sec

(b) 0.011 msec

(c) 11.63 sec

(d) 2.97 msec

The question was asked in an online quiz.

The origin of the question is Timer Programming topic in section 8051 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
The correct answer is (d) 2.97 msec

Best explanation: For generating the maximum delay we have to multiply the maximum number of counts with the time period required to execute one machine cycle( 65536*1/22MHz).

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