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

View all Microcontrollers
Bulk discount available

Subtotal (1 pack of 2 units)*

£3.90

(exc. VAT)

£4.68

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 78 unit(s) ready to ship
  • Plus 84 unit(s) ready to ship from another location
  • Plus 5,202 unit(s) shipping from 03 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
2 - 8£1.95£3.90
10 - 22£1.91£3.82
24 - 98£1.86£3.72
100 +£1.805£3.61

*price indicative

Packaging Options:
RS Stock No.:
131-0271
Mfr. Part No.:
ATMEGA328P-AU
Brand:
Microchip
Find similar products by selecting one or more attributes.
Select all

Brand

Microchip

Family Name

ATmega

Package Type

TQFP

Mounting Type

Surface Mount

Pin Count

32

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

Number of USART Channels

1

Number of UART Channels

1

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of I2C Channels

1

Number of CAN Channels

0

Instruction Set Architecture

RISC

Maximum Number of Ethernet Channels

0

ADCs

8 x 10 bit

Length

7.1mm

Maximum Operating Temperature

+85 °C

Number of ADC Units

1

Minimum Operating Temperature

-40 °C

Number of LIN Channels

0

Pulse Width Modulation

1 (6 Channel)

Number of PCI Channels

0

Number of Ethernet Channels

0

Height

1.05mm

Program Memory Type

Flash

Width

7.1mm

Dimensions

7.1 x 7.1 x 1.05mm

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