ATMEGA2561-16MU
- Mfr.Part #
- ATMEGA2561-16MU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 256KB FLASH 64QFN
- Stock
- 322
- In Stock :
- 322
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Pin Count :
- 64
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Interface :
- 2-Wire, EBI/EMI, I2C, SPI, UART, USART
- Number of I/O :
- 54
- Product Category :
- 8-bit Microcontrollers - MCU
- Manufacturer :
- Microchip
- Product Status :
- Active
- Program Memory Type :
- Flash
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 64
- ROM (words) :
- 131072
- Data Converters :
- A/D 8x10b
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Power Supplies :
- 5V
- Terminal Pitch :
- 0.5mm
- ROM Programmability :
- Flash
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Tradename :
- AVR
- Reach Compliance Code :
- Compliant
- Terminal Finish :
- Matte Tin (Sn)
- Number of I/O Lines :
- 54
- Voltage - Supply (Vcc/Vdd) :
- 4.5V~5.5V
- Family Name :
- ATMEGA
- Number of ADC Channels :
- 8
- DMA Channels :
- No
- RoHS :
- Details
- Dimensions :
- 9.1 x 9.1 x 0.95mm
- Temperature Grade :
- Industrial
- Series :
- AVR® ATmega
- JESD-609 Code :
- e3
- Terminal Position :
- QUAD
- Number of Pins :
- 64
- Number of PWM Channels :
- 6
- Length :
- 9.1mm
- Package / Case :
- 64-VFQFN Exposed Pad
- Supply Current-Max :
- 14 mA
- Supplier Device Package :
- 64-QFN (9x9)
- Base Part Number :
- ATMEGA2561
- Watchdog Timer :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Package :
- Tray
- Speed :
- 16MHz
- Bit Size :
- 8
- External Data Bus Width :
- 8
- Additional Feature :
- ALSO OPERATES AT 2.7V MINIMUM SUPPLY AT 8 MHZ
- Oscillator Type :
- Internal
- Address Bus Width :
- 16
- Data Converter :
- A/D 8x10b
- Interface Type :
- 2-Wire, SPI, USART
- Base Product Number :
- ATMEGA2561
- Product :
- MCU
- Has ADC :
- yes
- Supply Voltage :
- 5V
- Operating Supply Voltage :
- 5V
- Number of I2C Channels :
- 1
- Program Memory Size :
- 256KB 128K x 16
- JESD-30 Code :
- S-XQCC-N64
- Package Type :
- MLF
- Interfaces :
- JTAG/TWI/SPI/USART
- Frequency :
- 16MHz
- Surface Mount :
- yes
- Mounting Style :
- SMD/SMT
- Brand :
- Microchip Technology / Atmel
- Connectivity :
- EBI/EMI, I2C, SPI, UART/USART
- Number of Terminals :
- 64
- Packaging :
- Tray
- Factory Lead Time :
- 7 Weeks
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Maximum Operating Temperature :
- +85 °C
- Core Size :
- 8-Bit
- DAC Channels :
- No
- Contact Plating :
- Tin
- Pbfree Code :
- yes
- Number of I/Os :
- 54 I/O
- Width :
- 9.1mm
- Package Shape :
- Square
- Radiation Hardening :
- No
- RAM (bytes) :
- 8192
- Instruction Set Architecture :
- RISC
- Terminal Form :
- NO LEAD
- Product Type :
- 8-bit Microcontrollers - MCU
- Access Time :
- 16 μs
- Number of Timers/Counters :
- 6 Timer
- Operating Temperature :
- -40°C~85°C TA
- Memory Size :
- 256KB
- PWM Channels :
- yes
- CPU Family :
- AVR RISC
- Data Bus Width :
- 8B
- Published :
- 2007
- REACH SVHC :
- No SVHC
- Height :
- 950μm
- Core Processor :
- AVR
- Seated Height-Max :
- 1 mm
- EEPROM Size :
- 4K x 8
- RAM Size :
- 8K x 8
- RoHS Status :
- ROHS3 Compliant
- Minimum Operating Temperature :
- -40 °C
- Device Core :
- AVR
- Qualification Status :
- Not Qualified
- Mount :
- Surface Mount
- Lead Free :
- Lead Free
- Datasheets
- ATMEGA2561-16MU
ATMEGA2561-16MU Documents

Microcontrollers Microchip Technology ATMEGA2561-16MU Overview
The ATMEGA2561-16MU from Microchip Technology stands out in the realm of 8-bit microcontrollers, offering robust performance and versatility for a wide range of applications. This microcontroller is built on a high-performance AVR® architecture, designed to execute powerful instructions in a single clock cycle. The ATMEGA2561-16MU is equipped with 256KB of in-system programmable flash, making it ideal for complex and memory-intensive applications. Its integration in a compact 64QFN package allows for streamlined design in space-constrained applications, ensuring a balance between functionality and form factor. This makes the Microcontrollers Microchip Technology ATMEGA2561-16MU a prime choice for designers looking to optimize their embedded systems while maintaining high standards of reliability and efficiency.
ATMEGA2561-16MU Features
The ATMEGA2561-16MU microcontroller is loaded with features that enhance its utility and performance in demanding applications. Key features include 256KB of flash memory, 8KB SRAM, and 4KB EEPROM, which provide ample storage for both temporary and permanent data. It operates at a maximum frequency of 16 MHz, ensuring swift processing and responsiveness. Additionally, this microcontroller supports advanced features such as JTAG (IEEE std. 1149.1 compliant) interface for powerful debugging, ten flexible 16-bit timer/counters with compare modes, and multiple PWM channels. It also includes USART, SPI, and TWI interfaces for full-duplex communication, enhancing its capability to handle complex communications tasks within embedded systems.
ATMEGA2561-16MU Applications
- Industrial Automation: Utilized in managing control systems and automation processes, where its robust I/O capabilities and timer functions optimize the operations of machinery and production lines.
- Automotive Applications: Plays a crucial role in automotive control systems, such as engine management and body control, due to its ability to handle multiple input/output operations and real-time tasks efficiently.
- Smart Home Devices: Integral in the development of smart home technologies, including home automation hubs and security systems, where its low power consumption and high integration support continuous service and connectivity.
- Consumer Electronics: Used in consumer gadgets like portable gaming consoles and advanced wearables, offering a balance of power efficiency and processing capability necessary for user-oriented devices.
- Healthcare Equipment: Applied in medical monitoring systems and portable diagnostic devices, providing reliable performance crucial for patient care and data accuracy.
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