Product Description：

The GD32A503RDT3 is a member of the GD32A503 series, which is GigaDevice's first family of automotive-grade microcontrollers, officially marking their entry into the automotive MCU market in September 2022 . Designed following stringent automotive-grade design concepts and production standards, this series meets the high requirements for reliability and stability in vehicle applications . It delivers balanced processing performance, rich peripheral interfaces, and enhanced safety levels, serving as a mainstream choice for various automotive electrification scenarios .

Key Features :

Core & Performance：Arm® Cortex®-M33 core operating at 100 MHz

Memory：384 KB embedded Flash and 48 KB SRAM, plus dedicated code space configurable as 64 KB Data Flash / 4 KB EEPROM.

Automotive Reliability:Manufactured using a 40nm automotive-grade process. Operating temperature range: -40°C to +125°C. Operational lifespan: over 15 years. Compliant with AEC-Q100 qualification.

Power Supply：Wide voltage supply range: 2.7V to 5.5V

Communication & Peripherals:Provides a rich set of peripheral interfaces to support various automotive applications. The development ecosystem is compatible with existing GD32 MCU tools, reducing development difficulty.

Safety Features：Features excellent safety monitoring mechanisms, making it suitable for certain ADAS applications.

Typical Applications:

The GD32A503 series is designed for a broad range of automotive electronic control units (ECUs):

Body Control & Motor Systems: Power windows, wipers, air conditioning, smart door locks, power seats, and electric tailgates.

Automotive Lighting Systems: Ambient lighting and dynamic taillights.

Smart Cockpit Systems: Instrument clusters, in-vehicle infotainment, central navigation, and in-car wireless charging.

Basic ADAS Functions: Surround-view cameras and Acoustic Vehicle Alerting Systems (AVAS). It also supports specific solutions like graphical digital dashboards and LED sequential turn signals.