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ATMEGA328PB-MU, in 3D

ATMEGA328PB-MU

Microchip Technology

-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 27 2KB 32KB 8 Bit AVR Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、External pin reset (NRST)、Built-in general-purpose timer、Programmable watchdog、Touch function QFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/ATMEGA328PB-MU
Category
Microcontrollers (MCU, MPU, SOC)
Package
QFN-32-EP(5x5)
Pins
33

Overview

The ATMEGA328PB-MU is a microcontroller made by Microchip Technology in a QFN-32-EP(5x5) package with 33 pins. -40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 27 2KB 32KB 8 Bit AVR Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、External pin reset (NRST)、Built-in general-purpose timer、Programmable watchdog、Touch function QFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_Microchip_ATmega:ATmega328PB-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. 98 are in stock at JLCPCB (part C967933). 24 open-source boards in 15 repositories on GitHub use it.

Symbol

PD31PD42PE03VCC4GND5PE16XTAL1/PB67XTAL2/PB78PD59PD610PD711PB012PB113PB214PB315PB416PB517AVCC18PE219AREF20PE322PC023PC124PC225PC326PC427PC528RESET/PC629PD030PD131PD232
MCU_Microchip_ATmega:ATmega328PB-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
External pin reset (NRST)
Number of I/O
27
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

1

Pinout

33
The pins of the ATMEGA328PB-MU
PinNameType
1PD3Input/output
2PD4Input/output
3PE0Input/output
4VCCPower in
5GNDPower in
6PE1Input/output
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
19PE2Input/output
20AREFPassive
21GNDPassive
22PE3Input/output
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 24
  • 6 layers80 × 49 mmButterStick, the printed circuit board in 3D

    ButterStick

    butterstick-fpga/butterstick-hardware

    Basic ECP5 based GigE to SYZYGY interface.

    256 parts225
  • 4 layers115 × 85.8 mmPCIe Adapter, the printed circuit board in 3D

    PCIe Adapter

    ECP5-PCIe/ECP5-PCIe

    Mirror of https://codeberg.org/ECP5-PCIe/ECP5-PCIe

    53 parts103
  • 4 layers50 × 50 mmComposite2rgb, the printed circuit board in 3D

    Composite2rgb

    jsanpe/c2c-64

    A Composite & S-video to Component transcoder for the OSSC

    110 parts39MIT
  • 6 layers42.6 × 42.6 mmProject OAK MAIN BRD V0, the printed circuit board in 3D

    Project OAK MAIN BRD V0

    0101shift/Project_OAK

    All design files, source code, and documentation for Project OAK, a digital watch inspired by mechanical complications.

    145 parts29MIT
  • 4 layers115 × 65 mmTof PCB, the printed circuit board in 3D

    Tof PCB

    plex1/Tof_PCB

    Tof PCB Compact

    275 parts2
  • 2 layers39 × 39.4 mmStepper Controller, the printed circuit board in 3D

    Stepper Controller

    Case-Rocket-Team/StepperMotorControllerBoard

    ATMEL Stepper Motor Controller Board prototype for the Cobra Air Brakes test rocket

    44 parts1
  • 2 layers13.3 × 13.3 mmAM4096 board, the printed circuit board in 3D

    AM4096 board

    Roboy/AM4096_board

    15 parts1
  • 2 layers85 × 56 mmCaptain h morgan, the printed circuit board in 3D

    Captain h morgan

    abersailbot/captain-h-morgan

    I really hate protoboard and wires...

    76 parts

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Questions

Is there a KiCad symbol and footprint for the ATMEGA328PB-MU?

Yes. The symbol is MCU_Microchip_ATmega:ATmega328PB-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 ATMEGA328PB-MU?

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

Where is the ATMEGA328PB-MU datasheet?

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

Where can I order the ATMEGA328PB-MU?

JLCPCB lists it as part C967933, with 98 in stock; the sellers' links on this page open their listings.

What can replace the ATMEGA328PB-MU?

Parts like it in the library: the ATMEGA328P-MUR by Microchip Technology, the ATMEGA88PA-MU by Microchip Technology, the ATMEGA168PA-MU by Microchip Technology and the ATMEGA328PB-MN by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ATMEGA328PB-MU?

24 boards in 15 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8