ATmega328P-AU – 8-Bit AVR SMD Microcontroller (TQFP-32 Package)

🌟 Product Description

The ATmega328P-AU is an 8-bit AVR microcontroller in a compact TQFP-32 SMD package, offering high performance, low power consumption, and versatile interfacing capabilities. It’s the same microcontroller used in popular boards like the Arduino UNO SMD, making it ideal for custom embedded designs, educational projects, and compact electronic systems requiring efficient control and programmability.

🔑 Key Features

• Architecture – 8-bit AVR RISC-based microcontroller.

• Package Type – TQFP-32 (SMD).

• Operating Voltage – 1.8V to 5.5V.
• Clock Speed – Up to 20 MHz.
• Memory – 32 KB Flash (with optional bootloader), 2 KB SRAM, 1 KB EEPROM.
• I/O Pins – 23 programmable I/O lines.
• Peripherals – 3 timers/counters, 6 PWM channels, 8-channel 10-bit ADC, USART, SPI, and I²C interfaces.
• Power Modes – Idle, ADC Noise Reduction, Power-down, Power-save, and Standby for low-power applications.

• Operating Temperature Range – -40°C to +85°C (industrial grade).
  

Applications :

• Embedded system controllers and robotics.
• Custom Arduino-compatible development boards.
• Sensor data acquisition and signal processing.
• Industrial automation and IoT nodes.
• Battery-powered and low-energy electronic designs.

Compatible / Replacement For

1. Arduino UNO SMD Edition

   • This board already uses the ATmega328P-AU as its main microcontroller.

   • You can replace a damaged chip or use it for custom UNO SMD clones.

2. Arduino Nano

   • Uses the same ATmega328P-AU (TQFP-32).

   • Fully compatible when burned with the Nano bootloader.

3. Arduino Pro Mini

   • Also based on the ATmega328P-AU.

   • Use appropriate voltage and clock version (5V/16MHz or 3.3V/8MHz).

4. Custom Arduino-Compatible Boards

   • Any custom design that follows the Arduino UNO or Nano circuit can use this chip as its core microcontroller.