Microchip 8 bit AVR ATmega Microcontroller 20 MHz 64kB FLASH 44-Pin TQFP ATMEGA644PA-AU

Microchip ATMEGA644PA-AU is an 8-bit AVR microcontroller equipped with a 20 MHz maximum clock frequency and 64kB of on-chip flash memory. Packaged in a 44-pin TQFP surface mount housing measuring approximately 10.1 mm in length and width and 1.05 mm in height, this microcontroller features an AVR core architecture optimized for energy-efficient embedded designs.

Operating at supply voltages from 1.8 V to 5.5 V, it includes 4kB of SRAM, 64kB program memory, and internal EEPROM memory for data retention. The device has 32 programmable I/O pins and supports SPI and USART communication interfaces, suitable for numerous embedded industrial and commercial applications.

With 8 analog-to-digital converters (10-bit resolution), two timers, an internal temperature sensor, watchdog timer, and brown-out detection, the ATMEGA644PA-AU microcontroller facilitates precise control and reliable operation in harsh environments with operating temperatures from -40°C to 85°C.

The picoPower technology incorporated within enables ultra-low power consumption, making this microcontroller well-suited for battery-operated and energy-conscious applications such as industrial instrumentation, home automation, consumer electronics, and automotive controls.

Maximum clock frequency: 20 MHz. 64kB Flash program memory. 4kB SRAM. 44-pin TQFP package. Wide operating voltage: 1.8 V to 5.5 V. 32 programmable I/O pins. 8-channel 10-bit ADCs. Includes internal watchdog and brown-out detector.

Operating temperature range -40°C to 85°C.

This microcontroller is ideal for use in industrial automation, communication devices, embedded computing, and other applications requiring high performance and low power. Its compact package and comprehensive peripheral set enable integration in a variety of designs.

Explore EnvMart’s extensive range of Microchip Microcontrollers and related embedded solutions to find compatible development tools and accessories.