Evolution of Automotive In-Vehicle Networking Marc Osajda Global Automotive Segment Marketing Freescale Semiconductor

In-Vehicle Networking complexity Immobilizer Glow Plug Cooling Fan Lighting L Steering Column Rain Sensor Flaps Motors Sunroof Lighting R Instrument Cluster Temp Wipers RKE and TPMS Rx Seat Modules HVAC Alarm Rear Module Rear Lighting Door Module Radio Nav Transmission Fuel Pump Airbag Occupant Classification Pass. Seat Belt Pretensioner Driver Seat Belt Pretensioner Sensor Cluster Battery Management SJB 4x4 Blind Spot Detection Amplifier Video Display Body Controller / Gateway Chassis Management Engine Management Power Steering Anti-lock Braking Adaptive Cruise Control Park Assist Suspension Active Steering NOX Blower 1996 Typical Vehicle: 6 ECUs 2009 High-End Vehicle: > 70 ECUs 2

Vehicle E/E Architecture Challenges Too complex, too much energy consumption Too many different networks Too many ECUs Too many cables Too many connectors Too much weight Too many too many… With further electrification of the vehicles, A global rethinking of the vehicle E/E architecture is needed

New trends in In-Vehicle Networking Architecture C2X Vehicle Diagnostic/Access Central Switch/ Gateway Ethernet Main Engine Controller Main Chassis Controller Main ADAS Controller Infotainment Controller Main Body Controller Transmission Stability Control Reverse Camera HMI Satellite Body Satellite 1 Energy Management Chassis Satellite 1 Park Assist Camera Telephone Body Satellite 2 Chassis Satellite 2 Infotainment Satellite 1 CAN Blind Spot Detection Body Satellite 3 FlexRay LDW Ethernet/MOST Body Satellite 4 Ethernet LIN Higher ECU integration and emergence of domain controller will create new challenges in terms of functional safety (ISO26262) CAN

Architectural Evolution – Ethernet in Automotive Why Ethernet in Vehicles ? Well known technology, Widespread knowledge, Wide availability of tools Ethernet can handle future bandwidth requirements for multiple in-vehicle application Unshielded twisted pair Ethernet based network significantly reduces cost Unified Ethernet architecture eases diagnosis and maintenance Ethernet AVB audio profiles can substitute synchronous MOST

Example: Ethernet Based High-End Infotainment Network Architecture Ethernet AVB for Infotainment Rear Seat Entertainment Peripheral Functions and Upgrade Options (Trunk) NAND flash NAND flash Comm/ Telematics Nav Engine USB/ IPOD USB/ IPOD MCU MCU Ethernet AVB Ethernet AVB Audio out Infotainment MPU Audio out Audio Amp Switch Digital Radio/TV MCU MCU Display Display Ethernet AVB Ethernet AVB Ethernet AVB Ethernet LVDS Gateway: MCU Multi-Stream Audio/Control Dual-Stream Audio/Video Raw Video Car Network Ethernet Media Server/ Disc Player Service & Control Ethernet AVB Multi-Stream Audio/Video MCU Ethernet Switch Ethernet Ethernet AVB MCU Service & Control Service & Control MCU SPI GigE Ethernet AVB Cluster: MCU ADAS: MPU Infotainment: MPU Switch MCU LVDS Ethernet AVB GigE Raw Video Dashboard MCU Head Unit Ethernet AVB MCU Panorama View Ethernet AVB LVDS Front-View Camera Raw Video

Build on Power Architecture Example of silicon implementation Freescale MPC5668G – Dedicated Gateway MCU Build on Power Architecture

Objective of the ISO26262 Standard Functional Safety Objective of the ISO26262 Standard Provides and automotive specific risk based approach for determining risk classes (ASIL) Specify the necessary safety requirements for achieving an acceptable residual risk Provides confirmation to ensure a sufficient level of safety is being achieved

Functional Safety / ISO26262 Functional safety is a key paradigm of next generation electronic vehicle systems Safety standards are becoming the key enabler for the design of all new electronic application in the vehicle and associated semiconductor development

Freescale: No. 1 in Automotive Semiconductors Freescale Leadership in Driving Standards First semiconductor supplier to join the AUTOSAR development partnership Co-founded FlexRayTM Consortium with BMW, DaimlerChrysler and Philips Founding member of Local Interconnect Network LIN Consortium Founding member of the DSI protocol, and associated member of the PSI5 consortium (Airbag) Member of the GENIVI Consortium (Infotainment) Active member of JASPAR supporting Japanese automotive electronics standardization 10 10 10 10