ATmega328P-AU TQFP-32 8-Bit AVR Microcontroller

ATmega328P-AU TQFP-32 8-Bit AVR Microcontroller

The ATmega328P-AU is a high-performance, low-power 8-bit AVR microcontroller developed by Microchip. It is widely known as the core microcontroller used in popular development platforms such as Arduino Uno. With its rich peripheral set and ease of programming, it is ideal for embedded systems, IoT projects, automation, robotics, and educational applications.

Featuring 32KB of in-system programmable Flash memory, 1KB EEPROM, and 2KB SRAM, the ATmega328P-AU operates at clock speeds up to 20MHz. Its TQFP-32 surface-mount package enables compact PCB designs and mass production suitability. The microcontroller supports multiple communication interfaces including UART, SPI, and I²C (TWI), making it highly versatile for a wide range of applications.

ATmega328P-AU Technical Specifications:

• 8-bit AVR RISC architecture microcontroller

• Maximum operating frequency: 20MHz

• Operating voltage range: 1.8V – 5.5V

• Program memory: 32KB Flash (In-System Programmable)

• EEPROM: 1KB

• SRAM: 2KB

• 23 programmable digital I/O pins

• 8-channel 10-bit ADC (TQFP package)

• Communication interfaces: UART, SPI, I²C (TWI)

• Timers: Two 8-bit timers, one 16-bit timer, PWM support

• Package type: TQFP-32 (7×7 mm, SMD)

Useful Links / Documents:

• Datasheet
• EasyEDA Model

Similar Products:

• Microcontrollers