Description:The GD32A742BVT3TB is a high-safety automotive microcontroller from GigaDevice, featuring a 350 MHz Arm® Cortex®-M7 core in a Dual-Core Lock-Step (DCLS) configuration. This architecture is designed for applications demanding the highest levels of functional safety integrity, supporting system development up to ASIL-D per ISO 26262. It integrates critical features for modern E/E architectures, including a TSN-capable Ethernet MAC for deterministic communication, a Hardware Security Module (HSM) for cybersecurity, and rich CAN FD interfaces. Combining top-tier performance, advanced connectivity, and unparalleled safety, it targets the most safety-critical domains in vehicle electrification and automation.Features:High-Safety Core Architecture: Dual-Core Lock-Step (DCLS) Arm® Cortex®-M7 cores running at 350 MHz, with continuous comparator for high diagnostic coverage, targeting ASIL-D functional safety level.Advanced Functional Safety Support: Comprehensive safety mechanisms including core self-test, memory ECC/parity, diversified dual watchdog timers, voltage/clocks monitoring, and dedicated error signaling pin.High-Performance Connectivity:Time-Sensitive Networking (TSN): Integrated 10/100M Ethernet MAC supporting key TSN standards for deterministic, synchronized data exchange.Automotive Networks: 4x CAN FD interfaces, multiple USARTs, I2Cs, and SPIs.Integrated Hardware Security Module (HSM): Dedicated security island providing hardware acceleration for AES-128/192/256, SHA-1/224/256, and TRNG, ensuring secure communication and boot.Memory Configuration: 1MB of embedded Flash memory and 512KB of SRAM (including TCM) with ECC/parity protection.Automotive Grade & Reliability: AEC-Q100 Grade 2 qualified, designed for extended temperature ranges and harsh automotive environments.High-Precision Analog: Three 16-bit 4.2 MSPS ADCs and two 12-bit DACs for accurate sensing.Package: LQFP100.Applications:Electric Power Steering (EPS) Systems: High-torque EPS requiring ASIL-D level safety assurance.Braking Control Systems: Electronic Stability Control (ESC), Regenerative Braking, and Brake-by-Wire systems.Advanced Chassis Domain Control: Integrated vehicle dynamics control and active suspension systems.Safety-Critical ADAS: Steering/braking intervention functions for Automated Emergency Braking (AEB) and Lane Keeping Assist.Battery Management System (BMS) Master: For high-voltage battery packs in electric vehicles, where safety is paramount.X-by-Wire Systems: Core compute element for future steer-by-wire and brake-by-wire architectures.