Development of a central control unit integrating ADAS functions

AUDI's partner, TTTech, has developed "zFAS," a central control unit that integrates various functions of Advanced Driver Assistance Systems (ADAS). This ECU can also fuse various sensor data. By adopting Infineon Technologies' microcontrollers in zFAS, it meets high demands regarding computing performance and safety.

zFAS was developed to meet the rapidly increasing performance demands of active and passive assistance systems. By using zFAS, new functions such as piloted driving and piloted parking can be implemented on congested roads.

Demands for “functional safety,” connectivity, and computing capacity are rising to a new level. This is because there is an increasing desire to integrate more functions and fuse various sensor data required for safety. Developers of multi-core processing platforms have sought to meet the following requirements.

Equipped with Infineon's 'AURIX' MCU products

The most important element of the platform controller is TTTech's Deterministic Ethernet, which is a reliable, real-time Ethernet backbone solution. By using this solution, data traffic of varying importance can be combined with high data throughput. In addition, by using TTTech’s TTIntegration as middleware, application functions can be executed across multiple networked microcontrollers.

Through consultations with Audi, TTTech adopted Infineon’s AURIX™ TC297T microcontroller for zFAS. The AURIX family offers a comprehensive range of microcontrollers, including advanced multicore products that provide optimal performance.

"The zFAS will be a groundbreaking turning point as a highly integrated platform control unit for use in advanced driver assistance systems," said Marc Lang, Director of Sales and Marketing at TTTech Automotive. "Infineon's advanced microcontrollers and TTTech's real-time Ethernet solutions are key components for implementing innovative ADAS solutions."

In addition, based on Deterministic Ethernet and Infineon’s AURIX TC297T, TTTech has developed a driver assistance system ECU evaluation platform called TTA Drive. By using this, customers can quickly and easily integrate various application modules in the early stages of development. To support this integration, it provides software called TTIntegration and a toolset developed for TTA Drive.