CCP1 module initialization - Effect of program control entry in ISS

Q.  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?
- Published on 16 Nov 15

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

ANSWER: CCP1F bit gets cleared in PIR1 by detecting new capture event

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