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- Program Memory Size (KB):32
- RAM:2048
- Data EEPROM (bytes):1024
- Pin Count:32
- Operation Voltage Max.(V):5.5
- Operation Voltage Min.(V):1.8
- ADC Resolution Max:10
- ADC Channels:8
- Zero Cross Detect:False
- Number of Comparators:1
- SPI:2
- I2C:1
- Stand alone PWM:6
- Low Power:Yes
- Numerically Controlled Oscillator (NCO):0
- Data Signal Modulator (DSM):0
The high-performance Microchip picoPower® 8-bit AVR® RISC-based microcontroller combines 32 KB ISP Flash memory with read-while-write capabilities, 1024B EEPROM, 2 KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented Two-Wire serial interface, SPI serial port, a 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts.
By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, balancing power consumption and processing speed.
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Tools And Software
Development Environment
Emulator and Debuggers
Demo & Evaluation Boards
Programmers
3rd Party Tools
Legacy
| Tools |
|---|
 MPLAB Tools for VS Code are a set of extensions that integrate the MPLAB development ecosystem with VS Code, offering a seamless and efficient environment for developing designs based on Microchip devices. |
| MPLAB X IDE is a highly configurable software platform that provides powerful, free tools for developing, debugging and qualifying embedded designs that use microcontrollers and digital signal controllers.
|
| Available as free, unrestricted-use downloads, our award-winning MPLAB® XC C Compilers are comprehensive solutions for your project’s software development.
|
| MPLAB Code Configurator supports 8-bit, 16-bit and 32-bit PIC® microcontrollers. MCC is incorporated into both the downloadable MPLAB X Integrated Development Environment (IDE) and the cloud-based MPLAB Xpress IDE. |
| Tools |
|---|
| The MPLAB® PICkit® 5 in-circuit debugger/programmer enables quick prototyping and portable, production-ready programming for all Microchip devices, including PIC® microcontrollers (MCUs) and dsPIC® Digital Signal Controllers (DSCs), AVR® and SAM devices and Arm® Cortex®-based microprocessors (MPUs). |
| The MPLAB® ICD 5 In-Circuit Debugger/Programmer offers advanced connectivity and power options for developers of designs based on PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs). |
| The MPLAB® PICkit® Basic is designed to provide an ultra-low-cost, high-performance solution for programming and debugging Microchip PIC® and AVR® MCUs, dsPIC® DSCs, and SAM Arm® Cortex®-M based MCUs and MPUs. |
| The MPLAB ICE 4 in-circuit emulator system boosts productivity with feature-rich programming and debugging for PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs). |
| The MPLAB® Snap In-Circuit Debugger/Programmer allows affordable, fast and easy debugging and programming of PIC®, dsPIC® and AVR flash MCUs and MPUs, using the powerful graphical user interface of MPLAB X Integrated Development Environment (IDE). The MPLAB Snap can be connected to a design engineer's computer using a High-Speed USB 2.0 interface and can be connected to the target via an 8-pin Single In-Line (SIL) connector. The connector uses two device I/O pins and the reset line to implement in-circuit debugging and In-Circuit Serial Programming™ (ICSP™). It has all the speed and features entry-level users need to quickly debug their prototype.
|
| Tools |
|---|
| IAR Embedded Workbench for AVR is a powerful IDE, C/C++ compiler and debugging tool suite with extensive support for devices in all AVR families. |
| The ATmega328P Xplained Mini evalutation kit is a hardware platform for evaluating the ATmega328P microcontroller. |
| THIS PRODUCT IS NO LONGER AVAILABLE FOR SALE
A complete starter kit and development system for the 8-bit and 32-bit AVR® microcontrollers that gives designers a quick start to develop code on the AVR, with advanced features for prototyping and testing new designs.
Programs all AVR devices.
|
| Tools |
|---|
| The MPLAB® PICkit® 5 in-circuit debugger/programmer enables quick prototyping and portable, production-ready programming for all Microchip devices, including PIC® microcontrollers (MCUs) and dsPIC® Digital Signal Controllers (DSCs), AVR® and SAM devices and Arm® Cortex®-based microprocessors (MPUs). |
| The MPLAB® ICD 5 In-Circuit Debugger/Programmer offers advanced connectivity and power options for developers of designs based on PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs). |
| The MPLAB ICE 4 in-circuit emulator system boosts productivity with feature-rich programming and debugging for PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs). |
| Atmel-ICE is a powerful development tool for debugging and programming ARM® Cortex®-M based SAM and AVR microcontrollers with on-chip debug capability.
|
| Power Debugger is a powerful development tool for debugging and programming AVR and ARM® Cortex®-M based SAM microcontrollers. In addition the Power Debugger features two independent current sensing channels and includes a CDC virtual COM port interface as well as Data Gateway Interface channels for streaming application data to the host computer from a SPI, USART, TWI or GPIO source.
|
| Tools |
|---|
| Microchip Studio is an Integrated Development Environment (IDE) for developing and debugging AVR® and SAM microcontroller applications. It merges all of the great features and functionality of Atmel Studio into Microchip’s well-supported portfolio of development tools to give you a seamless and easy-to-use environment for writing, building and debugging your applications written in C/C++ or assembly code. |
| Atmel START is an innovative online tool for intuitive, graphical configuration of embedded software projects. It lets you select and configure software components, drivers and middleware, as well as complete example projects, specifically tailored to the needs of your application. The configuration stage lets you review dependencies between software components, conflicts and hardware constraints. In the case of a conflict, Atmel START will automatically suggest solutions that fit your specific setup. |
["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files:
spicemodels,Spice Models:
plecsmodels,PLECS Models:
bootloaders,Bootloaders:
Purchase
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Catalog Parts for ATmega328P
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| ATMEGA328P-PU | 28 | SPDIP | -40C to +85C | TUBE | $2.10 | In Stock Now | View Samples | |
 20 MHZ, PDIP, IND TEMP, GREEN Country of Origin: In Stock Now: 308 Full TUBE Up to 308 full units estimated to ship on This lead time represents a snapshot in time. Actual delivery may vary depending on order timing, volume, and other factors. Microchip remains committed to meeting or improving our committed dates to the best of our ability.Lead Time For Additional Quantities Additional quantities estimated to ship by Buy Now Pricing 1-24 25-99 100 + $2.89 $2.65 $2.39 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.20 *$2.10 | ||||||||
| ATMEGA328P-AN | 32 | TQFP | -40C to +105C | TRAY | $2.02 | Available To Order Now | View Samples | |
| 20 MHz, 105C, Green, TQFP Country of Origin: Available To Order Now Place your order today and we can ship on Buy Now Pricing 1-24 25-99 100 + $2.80 $2.57 $2.32 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.13 *$2.02 | ||||||||
| ATMEGA328P-AUR | 32 | TQFP | -40C to +85C | T/R | $2.00 | In Stock Now | View Samples | |
| 20MHZ, TQFP, IND TEMP, GREEN, T&R Country of Origin: In Stock Now: 2,000 Full Tape and Reel Up to 2000 full units estimated to ship on This lead time represents a snapshot in time. Actual delivery may vary depending on order timing, volume, and other factors. Microchip remains committed to meeting or improving our committed dates to the best of our ability.Lead Time For Additional Quantities Additional quantities estimated to ship by Buy Now Pricing 1-24 25-99 100 + $2.74 $2.54 $2.30 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.11 *$2.00 | ||||||||
| ATMEGA328P-AU | 32 | TQFP | -40C to +85C | TRAY | $1.93 | Available To Order Now | View Samples | |
| 20 MHz, TQFP, Ind Temp Green Country of Origin: Available To Order Now Place your order today and we can ship on Buy Now Pricing 1-24 25-99 100 + $2.66 $2.44 $2.20 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.03 *$1.93 | ||||||||
| ATMEGA328P-ANR | 32 | TQFP | -40C to +105C | T/R | $2.11 | In Stock Now | Please select a different part available in this familyView Samples | |
| 20 MHz, 105C, Green,TQFP, Tape and reel Country of Origin: In Stock Now: 1,000 Partial Tape and Reel Up to 1000 partial units estimated to ship on This lead time represents a snapshot in time. Actual delivery may vary depending on order timing, volume, and other factors. Microchip remains committed to meeting or improving our committed dates to the best of our ability.Lead Time For Additional Quantities Additional quantities estimated to ship by Buy Now Pricing 1-24 25-99 100 + $2.89 $2.65 $2.39 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.20 *$2.11 | ||||||||
| ATMEGA328P-PN | 28 | SPDIP | -40C to +105C | TUBE | $2.20 | Available To Order Now | Please select a different part available in this familyView Samples | |
| 20 MHz, 105C, Green, PDIP Country of Origin: Available To Order Now Place your order today and we can ship on Buy Now Pricing 1-24 25-99 100 + $3.03 $2.77 $2.50 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.32 *$2.20 | ||||||||
| ATMEGA328P-15AZ | 32 | TQFP | -40C to +125C | T/R | $4.09 | Available To Order Now | Please select a different part available in this familyView Samples | |
| 32KB FLASH 15MHz AUTO 125 32TQFP GR T&R Country of Origin: Available To Order Now Place your order today and we can ship on Buy Now Pricing 1-24 25-99 100 + $5.62 $5.17 $4.68 Estimated Large-Quantity Pricing 1000-4999 5000 + *$4.30 *$4.09 | ||||||||
| ATMEGA328P-MUR | 32 | VQFN | -40C to +85C | T/R | $2.00 | In Stock Now | View Samples | |
| 20MHZ, QFN/MLF, IND TEMP, GREEN, T&R Country of Origin: In Stock Now: 26,949 Partial Tape and Reel Up to 2949 partial units estimated to ship on Full Tape and Reel Up to 24000 full units estimated to ship on This lead time represents a snapshot in time. Actual delivery may vary depending on order timing, volume, and other factors. Microchip remains committed to meeting or improving our committed dates to the best of our ability.Lead Time For Additional Quantities Additional quantities estimated to ship by Buy Now Pricing 1-24 25-99 100 + $2.74 $2.54 $2.30 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.11 *$2.00 | ||||||||
| ATMEGA328P-MMHR | 28 | VQFN | -40C to +85C | T/R | $2.10 | Available To Order Now | View Samples | |
| 20 MHz, QFN/MLF, Green, NiPdAu T&R Country of Origin: Available To Order Now Place your order today and we can ship on Buy Now Pricing 1-24 25-99 100 + $2.87 $2.63 $2.38 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.19 *$2.10 | ||||||||
| ATMEGA328P-MU | 32 | VQFN | -40C to +85C | TRAY | $1.93 | In Stock Now | View Samples | |
| 20 MHZ, MLF/QFN, IND TEMP, GREEN Country of Origin: In Stock Now: 244,658 Partial TRAY Up to 19748 partial units estimated to ship on Full TRAY Up to 113190 full units estimated to ship on Up to 111720 full units estimated to ship on This lead time represents a snapshot in time. Actual delivery may vary depending on order timing, volume, and other factors. Microchip remains committed to meeting or improving our committed dates to the best of our ability.Lead Time For Additional Quantities Additional quantities estimated to ship by Buy Now Pricing 1-24 25-99 100 + $2.66 $2.44 $2.20 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.03 *$1.93 | ||||||||
| ATMEGA328P-MN | 32 | VQFN | -40C to +105C | TRAY | $2.02 | In Stock Now | Please select a different part available in this familyView Samples | |
| 20 MHz, 105C, Green, QFN Country of Origin: In Stock Now: 188 Partial TRAY Up to 188 partial units estimated to ship on This lead time represents a snapshot in time. Actual delivery may vary depending on order timing, volume, and other factors. Microchip remains committed to meeting or improving our committed dates to the best of our ability.Lead Time For Additional Quantities Additional quantities estimated to ship by Buy Now Pricing 1-24 25-99 100 + $2.80 $2.57 $2.32 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.13 *$2.02 | ||||||||
| ATMEGA328P-15MZ | 32 | VQFN | -40C to +125C | T/R | $4.09 | Available To Order Now | Please select a different part available in this familyView Samples | |
| 32KB FLASH 15MHz AUTO 125 32QFN GR T&R Country of Origin: Available To Order Now Place your order today and we can ship on Buy Now Pricing 1-24 25-99 100 + $5.62 $5.17 $4.68 Estimated Large-Quantity Pricing 1000-4999 5000 + *$4.30 *$4.09 | ||||||||
| ATMEGA328P-MNR | 32 | VQFN | -40C to +105C | T/R | $2.11 | Available To Order Now | Please select a different part available in this familyView Samples | |
| 20 MHz,105C, Green, QFN, Tape and reel Country of Origin: Available To Order Now Place your order today and we can ship on Buy Now Pricing 1-24 25-99 100 + $2.89 $2.65 $2.39 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.20 *$2.11 | ||||||||
| ATMEGA328P-MMH | 28 | VQFN | -40C to +85C | TRAY | $2.01 | In Stock Now | View Samples | |
| 20 MHz, QFN/MLF, Green, NiPdAu Country of Origin: In Stock Now: 1,370 Partial TRAY Up to 390 partial units estimated to ship on Full TRAY Up to 980 full units estimated to ship on This lead time represents a snapshot in time. Actual delivery may vary depending on order timing, volume, and other factors. Microchip remains committed to meeting or improving our committed dates to the best of our ability.Lead Time For Additional Quantities Additional quantities estimated to ship by Buy Now Pricing 1-24 25-99 100 + $2.78 $2.55 $2.31 Estimated Large-Quantity Pricing 1000-4999 5000 + *$2.12 *$2.01 | ||||||||
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