26.3 Carrier Signal Sources
The carrier high signal and carrier low signal can be supplied from
         the following sources:
      - CCPs
 - CLCs
 - PWMs
 - NCO
 - Reference clocks
 - System clocks
 - I/O pin
 
The carrier high signal is selected by using the CHS bits in the MDxCARH register.
The carrier low signal is selected by using the CLS bits in the MDxCARL register.
