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           Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA328-MU

ATMEGA328-MU

Part Number: ATMEGA328-MU
Manufacturer: Microchip
Part Type: Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA328-MU
Qty Available:
Description: Risc Microcontroller, 8-BIT, Flash, AVR Risc Cpu, 20MHZ, Cmos, PQFP32

04/24/2026 – There are 515 pieces pieces of Part Number ATMEGA328-MU Available.

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Risc Microcontroller, 8-BIT, Flash, AVR Risc Cpu, 20MHZ, Cmos, PQFP32

Specifications

TYPE DESCRIPTION
Case/Package QFN
Contact Plating Tin
Mount Surface Mount
Number of Pins 32
Core Architecture AVR
Data Bus Width 8 b
Frequency 20 MHz
Interface 2-Wire, I2C, SPI, UART, USART
Max Frequency 20 MHz
Max Operating Temperature 85 °C
Max Supply Voltage 5.5 V
Memory Size 32 kB
Memory Type FLASH
Manufacturer Package Identifier 32M1-A
Min Operating Temperature -40 °C
Min Supply Voltage 1.8 V
Number of ADC Channels 8
Number of I2C Channels 1
Number of I/Os 23
Number of Programmable I/O 23
Number of PWM Channels 6
Number of SPI Channels 1
Number of Timers/Counters 3
Number of USB Channels 1
Oscillator Type Internal
Packaging Cut Tape
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
RAM Size 2 kB
Schedule B 8542310000
Watchdog Timer Yes
Height 1 mm
Length 5.1 mm
Width 5.1 mm

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