Group 1: Autonomous Driving Domain Controller Overview - The autonomous driving domain controller serves as the "central brain" of intelligent connected vehicles, facilitating the transition from assisted driving to fully autonomous driving [5] - It integrates multi-sensor data, path planning algorithms, and vehicle control interfaces to achieve perception, decision-making, and execution in a unified manner, making it a key platform for L2 and above autonomous driving technologies [5] Group 2: Main Functions of the Domain Controller - Multi-sensor fusion and perception involve integrating data from radar, lidar, cameras, IMU, and high-precision GPS to create an accurate environmental semantic map [6] - Decision planning and path generation require the system to complete path planning and behavior decision-making within milliseconds based on real-time traffic density and speed limits [6] - The controller ensures precise control of acceleration, braking, and steering through interaction with chassis control systems while meeting ISO 26262 ASIL-D safety standards [6] - Data security and vehicle-to-everything (V2X) communication are achieved through 5G-V2X direct communication and encryption algorithms to protect vehicle control data and user privacy [6] Group 3: Hardware Architecture Analysis - The Qualcomm SA8650 core module consists of a main SoC chip, power management chip, and memory chips, integrating various key functional components [20] - The architecture includes a powerful CPU based on Arm v8.2 Cortex technology, a high-performance GPU for graphics rendering, and a Tensor processor for machine learning tasks [22] - The system also features an image signal processor for camera data processing, a video codec module for high-quality video handling, and a dedicated safety island subsystem for critical automotive safety tasks [23] Group 4: Communication and Safety Features - The RTL9068AB switch module supports 1000 Base-T1 standard for high-speed communication, enhancing bandwidth and connectivity in automotive networks [56] - The NXP TJA1145 and TJA1044 CAN transceivers ensure compliance with industry standards and provide low-power modes for energy efficiency [62][68] - The system includes advanced message processing mechanisms and multiple operational states to enhance reliability and performance in automotive applications [64][70] Group 5: Power Management and Efficiency - The LM25143-Q1 is a synchronous buck DC/DC controller designed for high current output, supporting a wide input voltage range and low quiescent current for extended battery life [77][78] - The MPQ8875A is a versatile DC/DC converter with a wide input voltage range, designed for automotive applications, featuring robust fault protection and adjustable switching frequency [91][92] Group 6: GPS Module Specifications - The UM670A GPS module supports multiple satellite systems and offers high sensitivity and positioning accuracy, suitable for automotive applications [122][130] - It features a compact design with a wide operating temperature range and low power consumption, making it ideal for integration into vehicle systems [135][140]