Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 32 kB Flash, 28-Pin VQFN

View all Microcontrollers

Subtotal (1 pack of 2 units)*

£4.51

(exc. VAT)

£5.412

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 390 unit(s) shipping from 11 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
2 +£2.255£4.51

*price indicative

Packaging Options:
RS Stock No.:
131-0272
Mfr. Part No.:
ATMEGA328P-MMH
Brand:
Microchip
Find similar products by selecting one or more attributes.
Select all

Brand

Microchip

Family Name

ATmega

Package Type

VQFN

Mounting Type

Surface Mount

Pin Count

28

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

32 kB

Maximum Frequency

20MHz

RAM Size

2 kB

USB Channels

0

Number of PWM Units

1

Number of SPI Channels

2

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of UART Channels

1

Number of USART Channels

1

Number of CAN Channels

0

Number of I2C Channels

1

Pulse Width Modulation

1 (6 Channel)

Dimensions

4.05 x 4.05 x 0.95mm

Width

4.05mm

Height

0.95mm

Number of LIN Channels

0

Number of ADC Units

1

Maximum Operating Temperature

+85 °C

Number of Ethernet Channels

0

Number of PCI Channels

0

Program Memory Type

Flash

Minimum Operating Temperature

-40 °C

Instruction Set Architecture

RISC

Maximum Number of Ethernet Channels

0

ADCs

8 x 10 bit

Length

4.05mm

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

Related links