Volkswagen will use the microcontroller to support the increasing networking and communication requirements between individual automotive subsystems.
Today's cars have as many as 50 different subsystems, grouped in separate communication networks. These subsystems take care of everything from engine and powertrain management to body and convenience electronics and infotainment applications, and need to communicate with one another, depending on current driving conditions. This communication is managed by a dedicated control unit known as the Central Gateway Unit which is built around the microcontroller. The central gateway unit's task is to exchange, reconcile and prioritise data across the various networks. It controls all of the internal interfaces, including those for engine management, entertainment systems, the instrument cluster, and the control units that manage the body and convenience electronics, as well as the external communication capabilities needed to allow future software updates to be installed by auto dealerships.
"Volkswagen decided in favour of a microcontroller from the XC2200 family not just because of the compelling feature set but also because Infineon has built up considerable expertise over many years of serving the automotive sector and is involved in a number of strategic collaboration projects with the Volkswagen Group and many of its electronics suppliers," says Jochen Hanebeck, senior vice president, Microcontrollers at Infineon Technologies.
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