Datasheet

PIC18FXX2
DS39564C-page 118 © 2006 Microchip Technology Inc.
14.1 CCP1 Module
Capture/Compare/PWM Register 1 (CCPR1) is com-
prised of two 8-bit registers: CCPR1L (low byte) and
CCPR1H (high byte). The CCP1CON register controls
the operation of CCP1. All are readable and writable.
TABLE 14-1: CCP MODE - TIMER
RESOURCE
14.2 CCP2 Module
Capture/Compare/PWM Register2 (CCPR2) is com-
prised of two 8-bit registers: CCPR2L (low byte) and
CCPR2H (high byte). The CCP2CON register controls
the operation of CCP2. All are readable and writable.
TABLE 14-2: INTERACTION OF TWO CCP MODULES
CCP Mode Timer Resource
Capture
Compare
PWM
Timer1 or Timer3
Timer1 or Timer3
Timer2
CCPx Mode CCPy Mode Interaction
Capture Capture TMR1 or TMR3 time-base. Time-base can be different for each CCP.
Capture Compare The compare could be configured for the special event trigger,
which clears either TMR1 or TMR3 depending upon which time-base is used.
Compare Compare The compare(s) could be configured for the special event trigger,
which clears TMR1 or TMR3 depending upon which time-base is used.
PWM PWM The PWMs will have the same frequency and update rate
(TMR2 interrupt).
PWM Capture None
PWM Compare None