ATMEGA644A-MUR
- Mfr.Part #
- ATMEGA644A-MUR
- Manufacturer
- Microchip Technology
- Package / Case
- 44-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 44VQFN
- Stock
- 766
- In Stock :
- 766
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Published :
- 2008
- Core Size :
- 8-Bit
- DMA Channels :
- No
- Product Type :
- 8-bit Microcontrollers - MCU
- Supply Voltage-Max (Vsup) :
- 5.5V
- Package Shape :
- Square
- Number of Serial I/Os :
- 2
- RoHS Status :
- ROHS3 Compliant
- RAM (bytes) :
- 4096
- RAM Size :
- 4K x 8
- Product Status :
- Active
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Reach Compliance Code :
- Compliant
- Memory Size :
- 64KB
- Number of I/Os :
- 32
- Number of I/O :
- 32
- Has ADC :
- yes
- Number of Terminals :
- 44
- Connectivity :
- I2C, SPI, UART/USART
- Terminal Form :
- NO LEAD
- Core Architecture :
- AVR
- Terminal Position :
- QUAD
- Core Processor :
- AVR
- Bit Size :
- 8
- Series :
- AVR® ATmega
- Number of Timers/Counters :
- 3
- Boundary Scan :
- yes
- Surface Mount :
- yes
- Integrated Cache :
- No
- Width :
- 7 mm
- Program Memory Size :
- 64KB 32K x 16
- Number of Pins :
- 44
- CPU Family :
- AVR RISC
- Watchdog Timer :
- yes
- Memory Type :
- Flash
- Mounting Style :
- SMD/SMT
- Temperature Grade :
- Industrial
- JESD-30 Code :
- S-PQCC-N44
- Number of Timers :
- 3
- Supply Voltage-Min (Vsup) :
- 1.8V
- Pbfree Code :
- yes
- Number of I/O Lines :
- 32
- Number of Programmable I/O :
- 32
- Operating Temperature :
- -40°C~85°C TA
- EEPROM Size :
- 2K x 8
- Number of Terminations :
- 44
- Program Memory Type :
- Flash
- On Chip Data RAM Width :
- 8
- ROM Programmability :
- Flash
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Max Operating Temperature :
- 85 °C
- Data Converter :
- A/D 8x10b
- Base Part Number :
- ATMEGA644A
- Seated Height-Max :
- 1 mm
- On Chip Program ROM Width :
- 16
- Length :
- 7mm
- DAC Channels :
- No
- PWM Channels :
- yes
- Interfaces :
- SPI/USART
- Data Converters :
- A/D 8x10b
- Min Operating Temperature :
- -40 °C
- Max Supply Voltage :
- 5.5 V
- Min Supply Voltage :
- 1.8 V
- Interface :
- I2C, SPI, UART, USART
- Mounting Type :
- Surface Mount
- RAM (words) :
- 4096
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Tradename :
- AVR
- Packaging :
- Tape and Reel (TR)
- Supply Current-Max :
- 9 mA
- Product :
- MCU
- Data Bus Width :
- 8B
- Base Product Number :
- ATMEGA644
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Terminal Pitch :
- 0.5mm
- Qualification Status :
- Not Qualified
- Brand :
- Microchip Technology
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Power Supplies :
- 2/5V
- Manufacturer :
- Microchip
- Max Frequency :
- 20 MHz
- Frequency :
- 20MHz
- Height Seated (Max) :
- 1mm
- Number of External Interrupts :
- 3
- Device Core :
- AVR
- Product Category :
- 8-bit Microcontrollers - MCU
- Contact Plating :
- Tin
- Supplier Device Package :
- 44-VQFN (7x7)
- Oscillator Type :
- Internal
- ROM (words) :
- 32768
- Package / Case :
- 44-VFQFN Exposed Pad
- Factory Lead Time :
- 7 Weeks
- Speed :
- 20MHz
- Low Power Mode :
- yes
- RoHS :
- Details
- Format :
- FIXED-POINT
- Mount :
- Surface Mount
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Datasheets
- ATMEGA644A-MUR

Microcontrollers Microchip Technology ATMEGA644A-MUR Overview
The Microcontrollers Microchip Technology ATMEGA644A-MUR is a high-performance, low-power AVR 8-bit microcontroller that utilizes Microchip's advanced RISC architecture. Offering a generous 64KB of in-system programmable flash, this MCU is an ideal choice for embedded applications requiring efficiency and reliability. Its compact 44-VQFN packaging makes it perfect for space-conscious projects, while maintaining a rich feature set that includes multiple communication interfaces for versatile connectivity options. Designed to cater to B2B customers, this microcontroller supports a wide range of applications, ensuring robust performance in demanding environments.
ATMEGA644A-MUR Features
This microcontroller includes several features that make it a potent choice for sophisticated digital devices:
- 64KB of in-system programmable flash memory, providing substantial space for application code.
- Advanced RISC Architecture ensures high performance with low power consumption.
- Supports SPI, USART, and I2C interfaces, enhancing connectivity and interoperability with other components.
- 44-pin VQFN package offers a compact footprint suitable for space-limited applications.
- Extensive interrupt system and ADC integration simplify development for complex tasks.
ATMEGA644A-MUR Applications
- Smart Home Devices: Utilizes its I2C interface for sensor integration and data aggregation to streamline smart home automation.
- Industrial Automation Systems: Leverages its robust GPIO suite and timer/counters for precise control and monitoring in industrial settings.
- Automotive Applications: Suitable for non-critical automotive subsystems where reliable operation under varying conditions is crucial.
- Portable Medical Devices: Its low power consumption and high data integrity features make it ideal for portable healthcare monitoring devices.
- Consumer Electronics: Drives user interfaces and other smart features in consumer electronics like smart watches and fitness trackers.
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