Product Description：

The GD32A722BZT3TB is a highly integrated and secure automotive microcontroller from GigaDevice's GD32A722 series. Built around a modern and efficient Arm® Cortex®-M33 core, it is designed to deliver optimal performance-per-watt for next-generation automotive electronic control units (ECUs). A key differentiator is its built-in Arm TrustZone® technology, providing a hardware-based security foundation for robust software isolation. Coupled with a dedicated Hardware Security Module (HSM), it offers a dual-layer security architecture critical for connected vehicles. Meeting AEC-Q100 Grade 2 standards and supporting ISO 26262 functional safety, it also integrates rich communication interfaces like automotive Ethernet and CAN FD. Packaged in an LQFP144 form factor, it is an ideal choice for safety- and security-critical applications requiring balanced performance, advanced connectivity, and design flexibility.

Key Features：

Modern, Secure Core: Features an Arm Cortex-M33 processor, likely operating in the range of 200-250MHz. The core integrates Arm TrustZone® technology for hardware-enforced isolation between secure and non-secure software domains, elevating system security.

Dual-Layer Security Architecture:

Layer 1 (TrustZone): Provides system-wide isolation for critical code and data.

Layer 2 (HSM): Integrated, independent Hardware Security Module with cryptographic accelerators (AES, SHA, TRNG, PKA) for secure boot, key management, and hardware-accelerated encryption.

Automotive Grade & Functional Safety: Compliant with AEC-Q100 Grade 2 standards (-40°C to +105°C). Designed to support development for ISO 26262 ASIL-B functional safety level.

Rich Communication Peripherals:

Automotive Ethernet (likely 100BASE-T1 or 1000BASE-T1) for high-speed backbone communication.

Multiple CAN FD interfaces for high-bandwidth in-vehicle networking.

LIN, FlexRay, multiple high-speed SPI, I²C, and UART interfaces.

Ample Memory for Complex Stacks: Equipped with substantial embedded Flash (e.g., 1-2MB) and SRAM (e.g., 256-512KB) to accommodate secure/non-secure application partitions, communication stacks, and security libraries.

Analog & Mixed-Signal Integration: High-precision ADCs, DACs, and comparators for accurate sensor interfacing. Advanced timers for motor control and PWM generation.

Package & I/O: Offered in an LQFP144 package, providing a robust and solderable solution with a high number of GPIOs for system expansion.

Typical Applications：

Secure Gateway & Domain Controllers: As a central node requiring strong isolation between safety/security-critical functions and general infotainment/data routing tasks.

Advanced Driver Assistance Systems (ADAS): For sensor fusion units, front camera controllers, or radar processing units where security and functional safety are paramount.

Vehicle Access & Security Systems: In Passive Entry & Passive Start (PEPS) systems, smart biometrics, or secure immobilizers leveraging TrustZone and HSM.

Connected Telematics Control Units (TCUs): As the secure core managing V2X communications, OTA updates, and GNSS data, protecting vehicle data and communications.

Electric Vehicle Control Units: In Battery Management Systems (BMS) or On-Board Chargers (OBC) where secure communication and data integrity are critical.

Industrial IoT & Critical Infrastructure: For applications in industrial automation, smart grids, or medical devices that require both high security and high reliability.