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Microchip ATMEGA328P-PU, 8 bit AVR, megaAVR Microcontroller, 20 MHz, 32kB FLASH, 28-Pin PDIP

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Subtotal (1 pack of 2 units)*

£4.34

(exc. VAT)

£5.20

(inc. VAT)

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In Stock
  • 322 unit(s) ready to ship
  • Plus 134 unit(s) ready to ship from another location
  • Plus 518 unit(s) shipping from 02 June 2026
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Units
Per unit
Per Pack*
2 - 8£2.17£4.34
10 - 22£2.08£4.16
24 - 98£2.025£4.05
100 +£1.975£3.95

*price indicative

Packaging Options:
RS Stock No.:
131-0276
Distrelec Article No.:
304-37-093
Mfr. Part No.:
ATMEGA328P-PU
Brand:
Microchip
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Brand

Microchip

Product Type

Microcontroller

Series

megaAVR

Package Type

PDIP

Mount Type

Through Hole

Pin Count

28

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

32kB

Interface Type

USART, SPI

Maximum Clock Frequency

20MHz

RAM Size

2kB

Maximum Supply Voltage

5.5V

Analogue Comparators

1

Minimum Operating Temperature

-40°C

Number of Programmable I/Os

23

Maximum Operating Temperature

85°C

Length

34.79mm

Standards/Approvals

No

Height

4.06mm

Minimum Supply Voltage

1.8V

Program Memory Type

FLASH

Instruction Set Architecture

RISC

Automotive Standard

No

ADCs

6 x 10 Bit

COO (Country of Origin):
TH

ATmega328P 8-Bit megaAVR picoPower Microcontrollers


The Atmel ATmega328P Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. Featured is picoPower technology that offers ultra-low power consumption and low-power sleep modes, ideal for battery powered applications.

Microcontroller Features


•20 MHz Max. Operating Frequency

•Up to 20 MIPS at 20 MHz

•32 KB Flash

•1024 B EEPROM

•2 KB SRAM

•131 Instructions – Most single clock cycle execution

•32 General Purpose Registers

•23 GPIO

•Power-on Reset and Programmable Brown-out Detection

•Internal Calibrated Oscillator

•External and Internal Interrupt Sources

•Six Power-Saving Sleep Modes

•Internal and External Interrupts

•Fully Static Operation

Peripheral Features


•10-bit 15 ksps Analogue-to-Digital Converter (ADC) – 8 or 6 channels

•Capacitive Touch Sense – 16 channels

•Temperature Sensor

•Two 8-bit Timers

•One 16-bit Timer

•Output Compare Module – 6 channels

•Six PWM Channels

•Programmable Serial USART

•Master/Slave SPI Serial Interface

•Byte-oriented 2-wire Serial Interface – I2C compatible

•Programmable Watchdog Timer with Separate Oscillator

•Analogue Comparator

•Interrupt and Wake-up on Pin Change

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