The Microchip ATMEGA649A-MUR is a low-power 8-bit AVR MCU with 64 KB Flash, 4 KB SRAM, and 2 KB EEPROM, running up to 16 MHz. Packaged in a 64-pad QFN/MLF with exposed pad for thermal performance, it offers 54 GPIOs, an LCD controller with contrast control, 8-channel 10-bit ADC, timers, SPI, USART, USI, JTAG debugging, and advanced power-saving modes, making it ideal for embedded control applications.