Atmel ATMEGA328P-PU

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Tube |
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 23
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 6x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Through Hole
Supplier Device Package 28-PDIP
Package / Case 28-DIP (0.300", 7.62mm)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

ATMEGA328P-PU – Frequently Asked Questions

What is ATMEGA328P-PU used for?

ATMEGA328P-PU is widely used in Arduino-compatible boards, educational electronics, automation controls, sensor systems, and low-power embedded applications.

Is ATMEGA328P-PU compatible with Arduino?

Yes. ATMEGA328P-PU is one of the most commonly used microcontrollers for Arduino Uno style development boards and related DIY projects.

Is ATMEGA328P-PU still good for new designs?

Yes. It remains a reliable option for cost-sensitive embedded systems that require stable 8-bit performance and simple development.

How much Flash memory does ATMEGA328P-PU have?

ATMEGA328P-PU includes 32KB Flash memory, which is suitable for many small to medium embedded applications.