Manufacturer Part Number
ATMEGA644PA-MUR
Manufacturer
Microchip Technology
Introduction
High-performance, low-power 8-bit AVR RISC-based microcontroller
Advanced RISC Architecture
Powerful instructions set
Product Features and Performance
64KB in-system self-programmable flash program memory
4KB SRAM
2KB EEPROM
32 general-purpose I/O lines
32 working registers
Three flexible timer/counters with compare modes
Internal and external interrupts
Serial programmable USART
Master/slave SPI serial interface
8-channel 10-bit A/D converter
Programmable watchdog timer with internal oscillator
On-chip analog comparator
Byte-oriented 2-wire serial interface
Fully static operation
Power-on reset and programmable brown-out detection
Product Advantages
High performance and low power consumption
Flexible and powerful 8-bit AVR RISC-based microcontroller
Extensive peripheral set
In-system programmable flash
Key Technical Parameters
Package: 44-VQFN (7x7)
Operating temperature: -40°C to 85°C
Operating voltage: 1.8V to 5.5V
Maximum operating frequency: 20MHz
Quality and Safety Features
RoHS3 compliant
Brown-out detection
Power-on reset
Compatibility
AVR ATmega series
Application Areas
Embedded systems
Industrial automation
Home appliances
Automotive electronics
Medical devices
Product Lifecycle
Active product, no discontinuation planned
Several Key Reasons to Choose This Product
Powerful 8-bit AVR RISC-based microcontroller with rich peripherals
High performance and low power consumption
In-system programmable flash for easy firmware updates
Wide operating temperature range and voltage range
Extensive development ecosystem and tools support