Product Description：

The GigaDevice GD32A741AZT3TB is an advanced automotive-grade microcontroller engineered for safety-critical vehicle applications . It is a member of the GD32A74x series, which represents the highest safety tier within the GD32A7 family, fully certified to the ISO 26262 ASIL-D standard . Combining the powerful computing capability of the Arm® Cortex®-M7 core with robust security features and a rich set of automotive-specific peripherals, it is designed as a reliable core for next-generation chassis systems, vehicle electrification, and advanced domain control units .

Core Features：

Feature Category： Specific Description

Core & Performance： Features the ultra-high-performance Arm® Cortex®-M7 core, operating at 160 MHz and delivering up to 763 DMIPS of computing power. The GD32A74x series utilizes a single-core lockstep configuration for maximum functional safety.

Memory：Equipped with up to 4 MB of on-chip Flash memory and 512 KB of SRAM. It supports a dual Flash BANK architecture, enabling seamless Over-The-Air (OTA) firmware updates without interrupting operation.

Functional Safety & Reliability：Certified to the highest automotive functional safety level, ISO 26262 ASIL-D. Meets the AEC-Q100 Grade 1 qualification, guaranteeing stable operation across the extended temperature range of -40°C to +125°C with a design lifespan exceeding 15 years.

Information Security：Designed to meet the EVITA-full standard for in-vehicle security and integrates hardware acceleration for China's National Cryptographic Algorithms (SM2, SM3, SM4). Complies with the ISO/SAE 21434 cybersecurity management standard.

Automotive Peripherals：Integrates a comprehensive suite of in-vehicle network interfaces, including 8 channels of CAN FD, 12 channels of LIN, 6 channels of SENT, and a 10/100 Mbps Ethernet controller supporting AVB/TSN protocols. Also provides multiple SPI, Quad-SPI, and I2C interfaces.

Software & Ecosystem：Natively supports the AUTOSAR® classic platform and offers a complete MCAL (MCU Abstraction Layer). The ecosystem is supported by leading toolchains (IAR, Keil, GreenHills, etc.) and major AUTOSAR solution providers (Vector, ETAS, EB, etc.). Comprehensive functional safety documentation (Safety Manual, FMEDA) is provided.

Primary Application Areas：

As a high-safety MCU, the GD32A741AZT3TB is ideally suited for the following automotive domains:

Chassis & Safety Systems: Electric Power Steering (EPS), Braking Systems, Suspension Control.

Powertrain & Electrification: Battery Management System (BMS) for electric vehicles, On-Board Charger (OBC), DC-DC Converters.

High-End Body & Domain Control: Central Body Domain Controller (BDC), where ASIL-D capability is required.