Product Description:

The GD32A503KCU3 is a member of GigaDevice's GD32A503 series, their inaugural family of Automotive-Grade Microcontrollers -1-9. Designed to meet the stringent demands of automotive electronics, it is developed on a 40nm automotive-grade process, adheres to the AEC-Q100 Grade 1 reliability standard, and is certified under the IATF 16949:2016 automotive quality management system. The MCU delivers balanced performance, rich connectivity, and enhanced safety features, making it a competitive choice for various automotive electrical applications.

Key Features：

Core & Processing： 100 MHz ARM Cortex-M33 core -1-3-4.

Memory： 384 KB embedded Flash, 48 KB SRAM, plus configurable 64 KB Data Flash/4 KB EEPROM -1-7-9.

Power & Lifetime：Wide supply voltage: 2.7V to 5.5V. Operating temperature: -40°C to +125°C. Minimum operational lifespan: 15+ years .

Communication Interfaces：2× CAN FD and 3× LIN for in-vehicle networking . Multiple USARTs, I2Cs, SPIs, and 1× I2S. A flexible MFCOM component for additional interface configuration .

Analog & Control：1 MSPS 12-bit ADC, comparators, DAC . Advanced PWM timers for motor control.

Safety & Reliability:ECC for Flash/RAM, CRC for data communication. Built-in voltage/clock monitors, high ESD/EFT immunity.

Primary Applications：

Body Control & Motor Systems: Window lifters, wipers, HVAC, smart door locks, power seats, tailgates, and various DC motor controls .

Automotive Lighting: Interior ambient lighting and dynamic exterior taillights .

Smart Cockpit: Instrument clusters, central infotainment units, navigation systems, and in-car wireless chargers .

Basic ADAS: Supports systems like surround-view monitors and Acoustic Vehicle Alerting Systems (AVAS).