Combination of electric rotary machine and electronic control unit in automobile

A combination of a alternator-starter system and of an electronic control unit separate from and electrically connected to said alternator-starter system via a data communication link, said alternator-starter system being installed in an automobile and comprising:

• an alternator-starter provided for operating in a recuperative braking mode and a torque booster mode;
• an AC/DC converter;
• a DC/DC converter;
• an electrical energy storage unit electrically connected between said AC/DC converter and said DC/DC converter;
• and
• an integrated control circuit controlling modes of operation of said alternator-starter system based on internal state thereof and a state of said automobile;
• said integrated control circuit including a RAM connected to said electronic control unit via said data communication link;
• said electronic control unit including a rewritable memory comprising a permanent storage of configuration data of said system in said rewritable memory,
• said configuration data is uploadable into said RAM during an initialization phase of said system;
• said configuration data comprising at least one of a parameter table and a control software component;
• an uploading period of said configuration data being masked by an anticipated command to startup said system.