Described is a method of providing the communication between two or more control units of a control apparatus that controls at least one electronic device which comprises two or more peripheral units. The method is characterized by comprising the steps of: providing a common bus; connecting said two or more control units by way of said common bus; controlling, through each control unit, at least one peripheral unit of the device to provide data necessary for the operation of the peripheral unit and to detect possible data variation of said peripheral unit; and providing for a master controller connected to the common bus, and further by the steps, carried out by each of said control units, of submitting to said master controller, information related to data consumed and to data provided by the peripheral units controlled by said control units; and sending a message over the bus whenever at least one of the data provided by the peripheral units controlled by said control units changes.