ATMEGA16A-PU Microchip Technology

For order or price inquiry of ATMEGA16A-PU Microchip Technology – 8-bit Microcontroller – MCU , AVR , PDIP-40 Please fill the RFQ form we will check out inventory and offer you our best price .





Welcome to the intriguing world of microcontrollers, where the ATMEGA16A-PU stands out as a beacon for innovators, hobbyists, and professionals alike. Manufactured by Atmel, a renowned player in the semiconductor industry, this microcontroller is a part of the widely acclaimed AVR family. The ATMEGA16A-PU is celebrated for its perfect amalgamation of power, efficiency, and user-friendliness, making it an impeccable choice for a myriad of electronic projects and applications.

The ATMEGA16A-PU is engineered to cater to the demanding needs of modern electronics, offering a robust 8-bit processing capability, coupled with a generous 16 KB of flash memory. This combination ensures that it can handle complex applications with ease, without necessitating additional external memory components. What makes this microcontroller especially appealing is its clock speed of up to 16 MHz, which strikes an optimal balance between swift processing and minimal power consumption.

Designed with versatility in mind, the ATMEGA16A-PU boasts 32 programmable I/O pins, making it remarkably adaptable to various peripherals and sensors. This flexibility is further enhanced by its integrated features, including an 8-channel Analog-to-Digital Converter (ADC), three Pulse Width Modulation (PWM) channels, and comprehensive communication interfaces such as USART, SPI, and I²C. Such features empower developers to build sophisticated and multifunctional devices without the need for numerous external components.

Beyond its technical prowess, the ATMEGA16A-PU is lauded for its ease of use. Atmel provides extensive documentation, including a detailed datasheet and comprehensive application notes, ensuring that even those new to microcontrollers can quickly come up to speed. Additionally, the ATMEGA16A-PU is supported by a vibrant ecosystem, comprising development tools, software libraries, and a global community of enthusiasts and experts. This ecosystem not only facilitates the rapid development of projects but also fosters collaboration and innovation within the ATMEGA community.

In summary, the ATMEGA16A-PU is more than just a microcontroller; it’s a gateway to bringing imaginative electronic projects to life. Its blend of performance, flexibility, and accessibility makes it an ideal choice for projects ranging from simple DIY crafts to complex industrial systems. Whether you are a seasoned engineer looking to streamline your design process or a hobbyist embarking on your first electronics project, the ATMEGA16A-PU offers a solid foundation to build upon. Embrace the capabilities of the ATMEGA16A-PU and unleash the potential of your creative ideas.



Here’s an overview of its key attributes:

  • High-Performance 8-bit AVR Microcontroller: At its core, the ATMEGA16A-PU boasts an advanced 8-bit AVR processor, renowned for its operational efficiency and speed, ensuring that even the most demanding tasks are handled with ease.
  • Generous Memory Capacity: With 16 KB of on-board flash memory, the ATMEGA16A-PU provides ample space for storing complex programs. Additionally, 1 KB of SRAM and 512 bytes of EEPROM offer robust options for data storage and retention, crucial for applications requiring data persistence.
  • Extensive I/O Options: The device is equipped with 32 programmable I/O pins, allowing for versatile connections to a wide array of external devices, sensors, and actuators, thereby expanding the potential for innovation in project designs.
  • Robust Analog and Digital Peripherals: An 8-channel, 10-bit ADC enables the microcontroller to interface seamlessly with analog sensors, while three PWM channels offer precise control over motors and LEDs. This integration facilitates a diverse range of applications, from environmental monitoring systems to dynamic lighting solutions.
  • Comprehensive Communication Protocols: The inclusion of USART, SPI, and I²C interfaces ensures that the ATMEGA16A-PU can communicate effectively with other microcontrollers, computers, and network modules, making it an excellent choice for IoT devices and complex multi-device networks.



The ATMEGA16A-PU shines in applications where size, power efficiency, and versatility are paramount. It’s extensively used in:

  • DIY Electronics: From homemade weather stations to custom game consoles, the ATMEGA16A-PU is a favorite among DIY enthusiasts.
  • Robotics: Powers the brains of robots, offering the perfect balance of control and flexibility for both beginners and advanced creators.
  • Wearable Technology: Its low power consumption makes it an excellent choice for smartwatches, fitness trackers, and other wearables.
  • Industrial Control Systems: Reliability and robustness make it suitable for controlling machinery, monitoring systems, and other industrial applications.



The ATMEGA16A-PU microcontroller, offers a range of advantages that make it a popular choice among electronics enthusiasts, educators, and professionals. Here are some of the key benefits:

1. Ease of Use and Programming

  • User-Friendly: The ATMEGA16A-PU is designed with simplicity in mind, making it accessible for beginners while still offering depth for advanced users.
  • Wide IDE Support: It is supported by numerous Integrated Development Environments (IDEs), including Atmel Studio, Arduino IDE (with an AVR package), and AVR-GCC compiler, providing flexible programming options.

2. Versatile Features

  • Robust I/O Capabilities: With 32 general-purpose input/output (GPIO) pins, it offers ample connectivity options for various peripherals, sensors, and actuators.
  • Integrated Peripherals: Comes equipped with useful built-in features like ADC (Analog to Digital Converter), PWM (Pulse Width Modulation) channels, and various communication protocols (USART, SPI, I²C), reducing the need for external components.

3. Efficient Performance

  • 8-bit AVR RISC Architecture: Offers efficient processing with a rich instruction set optimized for speed and power efficiency.
  • High Clock Speed: Can run up to 16 MHz, providing a good balance between processing speed and power consumption.

4. Memory Options

  • Sufficient Memory: With 16 KB of flash memory for program storage, 1 KB of SRAM for data, and 512 bytes of EEPROM for persistent storage, it meets the needs of various applications without external memory.
  • In-System Programmable: The flash memory can be programmed in-system through the SPI interface, simplifying updates and development.

5. Low Power Consumption

  • Power Efficiency: It is designed for low power consumption, making it suitable for battery-operated and portable devices.
  • Multiple Power-saving Modes: Features several power-saving modes (Idle, ADC Noise Reduction, Power-save, Power-down, and Standby), allowing for further optimization of power usage.

6. Cost-Effectiveness

  • Affordable: The ATMEGA16A-PU offers a high feature-to-cost ratio, making it a cost-effective choice for both hobbyist projects and commercial products.
  • Reduces Additional Costs: The integration of multiple peripherals and the availability of free development tools can lower the overall project cost.

7. Strong Community Support and Resources

  • Extensive Documentation: Atmel (now part of Microchip Technology) provides comprehensive datasheets, application notes, and guides.
  • Vibrant Community: A large, active community and a plethora of online resources, tutorials, and forums are available for support, making troubleshooting and learning easier.

8. Scalability and Compatibility

  • Family Compatibility: As part of the AVR family, transitioning to other AVR microcontrollers for different needs is straightforward, allowing projects to scale up without extensive rework.
  • Wide Application Range: Suitable for a diverse range of applications, from simple DIY projects to sophisticated industrial applications, ensuring versatility across different domains.

These advantages make the ATMEGA16A-PU a well-rounded microcontroller choice, balancing ease of use, performance, and cost, suitable for a wide array of applications and projects.



Product Attribute Attribute Value
Manufacturer: Microchip
Product Category: 8-bit Microcontrollers – MCU
Series: ATmega16A
Mounting Style: Through Hole
Package / Case: PDIP-40
Core: AVR
Program Memory Size: 16 kB
Data Bus Width: 8 bit
ADC Resolution: 10 bit
Maximum Clock Frequency: 16 MHz
Number of I/Os: 32 I/O
Data RAM Size: 1 kB
Supply Voltage – Min: 2.7 V
Supply Voltage – Max: 5.5 V
Minimum Operating Temperature: – 40 C
Maximum Operating Temperature: + 85 C
Packaging: Tube
Brand: Microchip Technology / Atmel
Data RAM Type: SRAM
Data ROM Size: 512 B
Height: 4.83 mm
Interface Type: SPI, TWI, USART
Length: 52.58 mm
Number of ADC Channels: 8 Channel
Number of Timers/Counters: 3 Timer
Processor Series: megaAVR
Product: MCU
Product Type: 8-bit Microcontrollers – MCU
Program Memory Type: Flash
Subcategory: Microcontrollers – MCU
Tradename: AVR
Width: 13.97 mm
Unit Weight: 0.210004 oz



ATMEGA16A-PU Microchip Technology Datasheet


Contact us for more information

Contact us for more information and stock inventory inquiry of ATMEGA16A-PU Microchip Technology.

China Email :

Hong Kong Email :

Russia Email :


Leave a Reply

Your email address will not be published.

Fill out this field
Fill out this field
Please enter a valid email address.
You need to agree with the terms to proceed