ATUC64L3U-Z3UR
Microchip Technology
The ATUC64L3U-Z3UR is a 32-bit AVR microcontroller from Microchip Technology featuring 64KB Flash memory, 16KB RAM, and a 50MHz core clock. It includes 51 I/O pins, multiple communication interfaces (I2C, SPI, UART, USB), and operates from 1.62V to 1.98V.