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           Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA328P-MU

ATMEGA328P-MU

Part Number: ATMEGA328P-MU
Manufacturer: Microchip
Part Type: Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > ATMEGA328P-MU
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Description: MCU - 8-bit AVR RISC - 32KB Flash - 2.5V/3.3V/5V - 32-Pin VQFN EP - Tray

04/24/2026 – There are 515 pieces pieces of Part Number ATMEGA328P-MU Available.

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MCU - 8-bit AVR RISC - 32KB Flash - 2.5V/3.3V/5V - 32-Pin VQFN EP - Tray

Specifications

TYPE DESCRIPTION
Case/Package QFN
Contact Plating Tin
Mount Surface Mount
Number of Pins 32
Core Architecture AVR
Data Bus Width 8 b
Density 256 kb
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
Oscillator Type Internal
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
RAM Size 2 kB
Schedule B 8542310000
Termination SMD/SMT
Watchdog Timer Yes
Height 880 µm
Length 5 mm
Width 5 mm

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