SystemC channel/Interface

SystemC interface is an abstract class that inherits from sc_interface and provides only pure virtual declarations of methods referenced by SystemC channels and ports. No implementations or data are provided in a SystemC interface

SystemC channel is a class that implements one or more SystemC interface classes and inherits from either sc_channel or sc_prim_channel. A channel implements all the methods of the inherited interface classes.

SystemC port is a class templated with and inheriting from a SystemC interface. Ports allow access of channels across module boundaries.

from
SystemC: from the ground up.