Microchip Technology ATUC64L4U-AUT Product Overview

The ATUC64L4U-AUT is a high-performance, low-power AVR® microcontroller from Microchip Technology, specifically designed for automotive applications. This microcontroller is built on Microchip's advanced picoPower® technology, offering an optimal solution for power-sensitive designs in the automotive industry.

With its 64KB of in-system self-programmable flash memory, the ATUC64L4U-AUT provides ample space for complex applications. Additionally, it features 4KB EEPROM and 4KB SRAM, ensuring sufficient storage for data logging and real-time processing. The device operates at a voltage range of 2.7V to 5.5V, delivering robust performance even under varying power supply conditions.

The microcontroller's advanced RISC architecture enables fast processing with a throughput of 1 MIPS per MHz, ensuring that time-critical tasks are handled efficiently. It supports a wide range of peripherals, including USART, SPI, and TWI interfaces, which facilitate easy communication with other devices in automotive systems. Moreover, it has a 10-bit ADC with up to 16 channels, allowing for precise analog signal measurement.

Safety and reliability are paramount in automotive applications, and the ATUC64L4U-AUT is designed with features such as Power-on Reset, Brown-out Detection, and a Watchdog Timer to maintain system integrity. The device also supports QTouch® library for capacitive touch functionality, adding a modern user interface component to automotive designs.

This microcontroller is qualified for high-temperature operation, with a temperature range of -40°C to 85°C, making it suitable for under-the-hood applications. The ATUC64L4U-AUT comes in a 44-lead TQFP package, providing a compact footprint for space-constrained automotive environments.

In conclusion, the Microchip Technology ATUC64L4U-AUT microcontroller is a versatile and robust choice for automotive developers looking for a microcontroller that offers a balance of performance, power efficiency, and advanced features to drive the next generation of automotive electronics.