The ATSAME54P20A-AUT-EFP is a high-performance, automotive-grade microcontroller unit (MCU) from Microchip Technology, renowned for its advanced features and robust design tailored for demanding automotive applications. This MCU is part of the SAM E54 series, which is based on the high-performance 32-bit ARM Cortex-M4 RISC processor with Floating Point Unit (FPU). It operates at a maximum speed of 120 MHz and features 1MB of in-system self-programmable Flash memory and 256KB of SRAM, ensuring ample space and speed for complex automotive applications.

The device boasts a rich set of peripherals, including multiple serial communication modules (SERCOM) that can be configured as UART/USART, SPI, or I2C interfaces, providing versatile connectivity options. Additionally, it offers a comprehensive set of timers, counters, and advanced analog features, such as high-speed analog comparators and a Digital-to-Analog Converter (DAC) for accurate signal processing and control tasks.

With its robust I/O capabilities, the ATSAME54P20A-AUT-EFP supports both CAN-FD for in-vehicle networking and a Full-Speed USB interface with embedded Host and Device capabilities, making it ideal for integration into modern automotive systems. Safety and reliability are paramount in automotive applications, and this MCU is designed with this in mind, featuring hardware-based security including a Cryptographic Acceleration Unit and a True Random Number Generator to protect data and ensure secure communications.

Manufactured in a 64-pin TQFP package, the ATSAME54P20A-AUT-EFP is suitable for automotive operating temperature ranges from -40°C to +125°C. It also complies with the rigorous AEC-Q100 Grade 2 qualification, ensuring its reliability and performance under the harsh conditions of automotive environments. This MCU is an excellent choice for designers seeking a powerful, secure, and reliable solution for advanced automotive systems such as body control modules, connectivity and infotainment systems, and advanced sensor interfaces.