Capture Mode - MCQs with answers

Capture Mode - MCQs with answers

1. What happens when the program control enters the Interrupt Service Subroutine (ISS) due to enabling of CCP1IE bit in PIE1 especially during the initialization of CCP1 Module in capture mode?

a. CCP1F bit gets cleared in PIR1 by detecting new capture event
b. GIE bit gets enabled
c. Contents of CCPR1L & CCPR1H are automatically copied in TMR1L & TMR1H respectively
d. Interrupt flag bit CCP1IF gets enabled in PIR

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2. Which register is suitable for the corresponding count, if the measurement of pulse width is less than 65,535 μs along with the frequency of 4 MHz?

a. 4-bit register
b. 8-bit register
c. 16-bit register
d. 32-bit register

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3. The capture operation in counter mode is feasible when mode of CCP module is _________

a. synchronized
b. asynchronized
c. synchronized as well as asynchronized
d. irrespective of synchronization

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