Controller, in particular motor vehicle controller

A control arrangement comprising:

• a control apparatus;
• an external source for supplying programs and data to said control apparatus;
• said control apparatus including:
• a first control unit;
• a first programmable memory unit assigned to said first control unit;
• said first programmable memory unit functioning to store programs and data for said first control unit;
• a first interface for transmitting said programs and data from said external source to said control apparatus and to said first control unit;
• said first control unit functioning to receive said programs and data transmitted thereto and to effect storing of the transmitted programs and data in said first memory unit;
• a second control unit;
• a second programmable memory unit assigned to said second control unit and functioning to store programs and data;
• a second interface for transmitting programs and data to said second control unit which were received via said first interface;
• said programs and data transmitted to said second control unit being provided for said second control unit in said second programmable memory unit;
• and,
• said first control unit being so configured that it can further transmit programs and data via said second interface to said second control unit when the programs and data are provided either not for storage in said first memory unit or are provided for storage in said second memory unit, the programs and data being received from said external source and for storage in one of the memory units of said control apparatus.