Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 128 kB Flash, 40-Pin PDIP

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£5.43

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£6.52

(inc. VAT)

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  • 101 unit(s) ready to ship
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  • Plus 65 unit(s) shipping from 22 October 2025
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1 - 24£5.43
25 - 99£5.27
100 +£5.07

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Packaging Options:
RS Stock No.:
127-8234
Mfr. Part No.:
ATMEGA1284P-PU
Brand:
Microchip
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Brand

Microchip

Family Name

ATmega

Package Type

PDIP

Mounting Type

Through Hole

Pin Count

40

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

128 kB

Maximum Frequency

20MHz

RAM Size

16 kB

USB Channels

0

Number of PWM Units

1

Number of SPI Channels

3

Number of USART Channels

2

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of UART Channels

2

Number of I2C Channels

1

Number of CAN Channels

0

Number of ADC Units

1

Length

52.57mm

ADCs

8 x 10 bit

Maximum Operating Temperature

+85 °C

Instruction Set Architecture

RISC

Minimum Operating Temperature

-40 °C

Maximum Number of Ethernet Channels

0

Program Memory Type

Flash

Height

4.44mm

Width

13.97mm

Dimensions

52.57 x 13.97 x 4.44mm

Pulse Width Modulation

1 (8 Channel)

Number of Ethernet Channels

0

8-Bit PicoPower megaAVR Family Microcontrollers


This range of megaAVR microcontrollers feature picoPower technology — perfect for energy saving. They offer generous program and data memories with performance of up to 20 MIPS.

Features & Benefits of picoPower megaAVR microcontrollers
•On-chip Flash
•SRAM
•Internal EEPROM
•SPI
•TWI (I²C)
•USART, USB, CAN & LIN interfaces
•Watchdog timer
•Precision oscillator
•GPIO pins
•ADC
•DAC
•Built-in temperature sensor
•Internal voltage reference
•Brown-out detector

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