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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATMEGA48PA-MMHR
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ATMEGA48PA-MMHR - Atmel

Manufacturer Part Number
ATMEGA48PA-MMHR
Manufacturer
Atmel
Allelco Part Number
32D-ATMEGA48PA-MMHR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,960 pcs available, New & Original
Parts Description
IC MCU 8BIT 4KB FLASH 28VQFN
Package
28-VQFN (4x4)
Data sheet
-
RoHs Status
 
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In stock: 14960

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Specifications

ATMEGA48PA-MMHR Tech Specifications
Atmel - ATMEGA48PA-MMHR technical specifications, attributes, parameters and parts with similar specifications to Atmel - ATMEGA48PA-MMHR

Product Attribute Attribute Value
Manufacturer Atmel
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Supplier Device Package 28-VQFN (4x4)
Speed 20MHz
Series AVR® ATmega
RAM Size 512 x 8
Program Memory Type FLASH
Program Memory Size 4KB (2K x 16)
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Package / Case 28-VFQFN Exposed Pad
Package Bulk
Product Attribute Attribute Value
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Number of I/O 23
Mounting Type Surface Mount
EEPROM Size 256 x 8
Data Converters A/D 8x10b
Core Size 8-Bit
Core Processor AVR
Connectivity I²C, SPI, UART/USART
Base Product Number ATMEGA48

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
ECCN EAR99
HTSUS 8542.31.0001

Parts Introduction

ATMEGA48PA-MMHR Image
ATMEGA48PA-MMHR (1)

Manufacturer Part Number

ATMEGA48PA-MMHR

Manufacturer

microchip-technology

Introduction

The ATMEGA48PA-MMHR is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture by Microchip Technology, designed for high-level performance in a wide range of applications.

Product Features and Performance

8-Bit AVR Processor Core

Core Speed of up to 20MHz

Integrated RISC Architecture enhances throughput

4KB Flash Memory for Program Storage

512 Bytes of SRAM

256 Bytes of EEPROM

Advanced RISC Architecture with 131 Powerful Instructions

23 General Purpose I/O Lines

Low Power Consumption Modes

Product Advantages

High performance and low power consumption

Flexible and programmable I/O options

Extensive support for serial communication (I2C, SPI, UART)

Integrated features like watchdog timer, PWM and analog comparator

Key Technical Parameters

Core Processor: AVR

Core Size: 8-Bit

Speed: 20MHz

Program Memory Size: 4KB

RAM Size: 512 Bytes

EEPROM Size: 256 Bytes

Voltage Supply: 1.8V to 5.5V

Operating Temperature: -40°C to 85°C

Data Converters: A/D 8x10b

Mounting Type: Surface Mount

Quality and Safety Features

Brown-out Detect/Reset for reliable operation under uncertain power conditions

Power-on Reset (POR) ensures the correct startup

Watchdog Timer (WDT) to reset under software failure

Compatibility

Compatible with AVR Studio for software development

Works with a wide range of development tools and programmers from Microchip and third parties

Application Areas

Embedded systems

Consumer electronics

IoT devices

Industrial controls

Automotive applications

Product Lifecycle

Active status indicates ongoing manufacturing and availability

No indication of nearing discontinuation, ensuring long-term availability for projects

Several Key Reasons to Choose This Product

High integration reduces the number of external components required

Flexible power management system optimizes power consumption for battery-operated devices

Extensive documentation and community support simplify development

Broad operational voltage and temperature range fit diverse application conditions

Microchip Technology's commitment to product longevity and compatibility ensures investment protection

Parts with Similar Specifications

The three parts on the right have similar specifications to Atmel ATMEGA48PA-MMHR

Product Attribute ATMEGA48PA-MMHR ATMEGA48PA-MMNR ATMEGA48PA-MMH ATMEGA48PA-MNR
Part Number ATMEGA48PA-MMHR ATMEGA48PA-MMNR ATMEGA48PA-MMH ATMEGA48PA-MNR
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Program Memory Size - - - -
Data Converters - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Program Memory Type - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Number of I/O - - - -
Oscillator Type - - - -
Peripherals - - - -
RAM Size - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
EEPROM Size - - - -
Core Size - - - -
Core Processor - - - -
Connectivity - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Speed - - - -

Customers Also Interested in

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
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Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
ATMEGA48PA-MMHR Image

ATMEGA48PA-MMHR

Atmel
32D-ATMEGA48PA-MMHR

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