Product Description:

The GD32A503KBU3 is a 32-bit automotive-grade microcontroller from GigaDevice's GD32A503 series. It is designed to meet the stringent reliability and performance requirements of modern automotive electronics. Based on a 100MHz ARM Cortex-M33 core, this MCU offers a balanced combination of processing power, rich connectivity, and enhanced safety features, making it a mainstream choice for various vehicle electrification scenarios.

Key Features:

The core features of the GD32A503 series, which apply to the KBU3 variant, include:

Core & Memory:

100 MHz ARM Cortex-M33 processor.

384 KB of embedded Flash memory.

48 KB of SRAM.

Dedicated 64 KB data Flash / 4 KB EEPROM space.

Automotive Reliability:

Compliant with AEC-Q100 Grade 1 standard.

40nm automotive-grade process.

Operating temperature: -40°C to +125°C.

Operating lifetime of over 15 years.

Connectivity & Peripherals:

2x CAN FD and 3x LIN interfaces for in-vehicle networking.

Multiple USART, I2C, SPI, and I2S interfaces.

High-precision 12-bit ADC (1 MSPS), comparators, and DAC.

Advanced timers for motor control (PWM).

Safety & Security:

ECC for Flash/RAM, CRC for data communication.

Built-in hardware safety monitors (voltage, clock).

High ESD/EFT immunity.

Applications:

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

Body Control & Lighting: Smart door locks, power windows, ambient lighting, dynamic taillights.

Motor Power Systems: Cooling fans, seat adjusters, electric tailgates.

Smart Cockpit Systems: Instrument clusters, central infotainment, navigation, wireless charging.

Basic ADAS: Surround-view cameras, Acoustic Vehicle Alerting Systems (AVAS).