ATMega328P 8-bit AVR Microcontroller 28-Pin 20 MHz 32 KB Flash

The ATMega328P is an 8-bit AVR microcontroller designed for embedded control and general-purpose digital applications.
It operates at clock speeds up to 20 MHz and integrates 32 KB of in-system programmable Flash memory.
The device includes multiple digital I/O pins, analog-to-digital converters, timers, and serial communication interfaces.
Low power consumption modes support battery-powered and energy-efficient designs.
It is widely used in control systems, data acquisition, and educational embedded platforms.

• AVR 8-bit RISC Core executing instructions in a single clock cycle

• Flash Program Memory with 32 KB in-system programmable storage

• SRAM and EEPROM Memory supporting data storage and retention

• Analog-to-Digital Converter with 6 multiplexed input channels

• Digital I/O Ports configurable for input or output operation

• Timer/Counters supporting PWM and time measurement

• Serial Interfaces including UART, SPI, and I²C (TWI)

• Low Power Operating Modes reducing current consumption

• Model | ATMega328P

• Microcontroller Core | 8-bit AVR RISC

• Maximum Clock Frequency | 20 MHz

• Flash Memory | 32 KB

• SRAM | 2 KB

• EEPROM | 1 KB

• ADC Resolution | 10-bit

• Number of ADC Channels | 6

• Operating Voltage Range | 1.8 V to 5.5 V

• Operating Temperature Range | −40 °C to 85 °C

• Package Type | 28-pin DIP

• Mounting Type | Through-hole

• 3D Model
• Datasheet