Which AFDX connections are used in Airbus A380?
There are some resources.
This source shows how AFDX is used as the backbone of the IMA (Integrated Modular Avionics) and lists subsystems such as the air data inertial reference units (ADIRU), Engine Electronic Controllers (EEC) and Electrical Load Management (ELM) Systems as 'members' of the network.

This archived article talks about the development of AFDX to solve real time performance issues with the flyby wire controls of the A380.

Other articles of note would be this. The other articles are behind a paywall but for completeness they are here and here