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ATMEGA328P-MU, in 3D

ATMEGA328P-MU

Microchip Technology

-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH VQFN-32(5x5) Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/ATMEGA328P-MU
Category
Microcontroller Units (MCUs, MPUs, SOCs)
Package
HVQFN-32(5x5)
Pins
33

Overview

The ATMEGA328P-MU is a microcontroller Unit made by Microchip Technology in a HVQFN-32(5x5) package with 33 pins. -40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH VQFN-32(5x5) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_Microchip_ATmega:ATmega328P-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm, from KiCad's library), ready for a KiCad board. 3,285 are in stock at JLCPCB (part C7499261). 62 open-source boards in 54 repositories on GitHub use it.

Symbol

PD31PD42GND3VCC4XTAL1/PB67XTAL2/PB78PD59PD610PD711PB012PB113PB214PB315PB416PB517AVCC18ADC619AREF20ADC722PC023PC124PC225PC326PC427PC528RESET/PC629PD030PD131PD232
MCU_Microchip_ATmega:ATmega328P-MFrom KiCad's library

Footprint

33
Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mmFrom KiCad's library

Parameters

13
ADC (Bit)
10bit
CPU Core
AVR
CPU Maximum Speed
20MHz
Core Size
8 Bit
EEPROM
1KB
Features
Touch function
Number of I/O
23
Operating Temperature
-40℃~+85℃
Oscillator Type
Built-in
Program Memory Type
FLASH
Program Storage Size
32KB
RAM Size
2KB
Voltage - Supply
1.8V~5.5V

Order codes

2

Pinout

33
The pins of the ATMEGA328P-MU
PinNameType
1PD3Input/output
2PD4Input/output
3GNDPower in
4VCCPower in
5GNDPassive
6VCCPassive
7XTAL1/PB6Input/output
8XTAL2/PB7Input/output
9PD5Input/output
10PD6Input/output
11PD7Input/output
12PB0Input/output
13PB1Input/output
14PB2Input/output
15PB3Input/output
16PB4Input/output
17PB5Input/output
18AVCCPower in
19ADC6Input
20AREFPassive
21GNDPassive
22ADC7Input
23PC0Input/output
24PC1Input/output
25PC2Input/output
26PC3Input/output
27PC4Input/output
28PC5Input/output
29RESET/PC6Input/output
30PD0Input/output
31PD1Input/output
32PD2Input/output
33GNDPassive

Open-source boards using it

All 62
  • 2 layers85 × 17 mm3dsimo kit, the printed circuit board in 3D

    3dsimo kit

    3dsimo/3dsimo_kit

    Visit us at 3D simo pages for more information

    44 parts78
  • 2 layers148.1 × 37.1 mmNixie, the printed circuit board in 3D

    Nixie

    njeff/nixie-clock

    Nixie Clock PCB and Code

    41 parts7
  • 2 layers34.3 × 26.7 mmQuarterduino, the printed circuit board in 3D

    Quarterduino

    akita11/Quarterduino

    Half-size Arduino UNO compatible

    39 parts2MIT
  • 2 layers47 × 47 mmLoadcell PCB, the printed circuit board in 3D

    Loadcell PCB

    Jackiempty/DAQ_PCB

    NCKU ISP loadcell unit project

    57 parts2
  • 2 layers49.4 × 43.7 mmChaos papagali, the printed circuit board in 3D

    Chaos papagali

    Pakequis/Chaos_papagali

    A annoying device that imitates the vibration of a phone

    41 parts2MIT
  • 2 layersAnalogWatch, the printed circuit board in 3D

    AnalogWatch

    sulkith/BCDWristWatch

    WristWatch

    75 parts2MIT
  • 2 layersDrone ESC, the printed circuit board in 3D

    Drone ESC

    Arpit192005/Drone-ESC

    A custom 3-phase Brushless DC (BLDC) Electronic Speed Controller (ESC) designed in KiCad, intended for drone and robotics applications.

    31 parts1
  • 6 layers40.4 × 40.4 mmDriver 40mm atmega, the printed circuit board in 3D

    Driver 40mm atmega

    floesche/LED-Display_G4_Hardware_Driver

    424 parts1CC-BY-4.0

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Questions

Is there a KiCad symbol and footprint for the ATMEGA328P-MU?

Yes. The symbol is MCU_Microchip_ATmega:ATmega328P-M and the footprint Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ATMEGA328P-MU?

HVQFN-32(5x5), with 33 pins. Its footprint is drawn on this page.

Where is the ATMEGA328P-MU datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the ATMEGA328P-MU?

JLCPCB lists it as part C7499261, with 3,285 in stock; the sellers' links on this page open their listings.

What can replace the ATMEGA328P-MU?

Parts like it in the library: the ATXMEGA16E5-MU by Microchip Technology, the ATTINY261A-MN by Microchip Technology, the ATMEGA168-20MQ by Microchip Technology and the ATMEGA48-20MUR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ATMEGA328P-MU?

62 boards in 54 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8