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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATMEGA48PV-10MU
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ATMEGA48PV-10MU - Microchip Technology

Manufacturer Part Number
ATMEGA48PV-10MU
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATMEGA48PV-10MU
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
15,764 pcs available, New & Original
Parts Description
IC MCU 8BIT 4KB FLASH 32VQFN
Package
32-VQFN (5x5)
Data sheet
ATMEGA48PV-10MU.pdf

PCN Other

2.73KHz.pdf

PCN Assembly/Origin

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
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In stock: 15764

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Specifications

ATMEGA48PV-10MU Tech Specifications
Microchip Technology - ATMEGA48PV-10MU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATMEGA48PV-10MU

Product Attribute Attribute Value
Manufacturer Microchip Technology
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Supplier Device Package 32-VQFN (5x5)
Speed 10MHz
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 32-VFQFN Exposed Pad
Package Tray
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
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.31.0001

Parts Introduction

ATMEGA48PV-10MU Image
ATMEGA48PV-10MU (1)

Manufacturer Part Number

ATMEGA48PV-10MU

Manufacturer

Microchip Technology

Introduction

High-performance, low-power 8-bit Microcontroller based on the AVR enhanced RISC architecture

Product Features and Performance

8-bit AVR Microcontroller with 4KB Flash, 512B SRAM, and 256B EEPROM

23 Programmable I/O Lines

8-channel 10-bit A/D Converter

Programmable Watchdog Timer with Separate On-chip Oscillator

Three flexible Timer/Counters with Compare Modes

6 PWM Channels

USART for Serial Communication

Master/Slave SPI Serial Interface

Internal Calibrated Oscillator

Product Advantages

Low power consumption

Highly flexible and configurable

Wide operating voltage range

Key Technical Parameters

Operating Voltage: 1.8V to 5.5V

Operating Temperature: -40°C to 85°C

Program Memory: 4KB FLASH

SRAM: 512 bytes

EEPROM: 256 bytes

Speed: 10MHz

Quality and Safety Features

Robust design with multiple protection mechanisms (Brown-Out Detector, Power-On Reset)

RoHS3 Compliant

Compatibility

Compatible with the entire AVR ATmega series

Application Areas

Industrial automation

Home appliances

Automotive electronics

Medical devices

Embedded systems

Product Lifecycle

This product is still in active production and is widely available.

Microchip offers several upgraded versions and pin-compatible alternatives for future design needs.

Several Key Reasons to Choose This Product

High performance and low power consumption

Extensive peripheral set and flexible configurability

Robust design and wide operating temperature range

Compatibility with the broad AVR ecosystem

Availability of drop-in replacements and upgrade options

Frequently Asked Questions(FAQ)

How does the power consumption profile of the ATMEGA48PV-10MU compare to other AVR microcontrollers in the same series when operating at 3.3V and running at full speed, and what implications does this have for battery-powered applications?
The ATMEGA48PV-10MU draws approximately 1.5 mA active current at 10 MHz and 3.3V, which is typical for low-power AVR variants like those in the ATmega48P family. This is significantly lower than non-low-voltage versions such as the ATMEGA48PA-20AU, which operates at 20 MHz but consumes around 6–7 mA under similar conditions. The PV variant’s ultra-low voltage operation down to 1.8V allows extended battery life in coin-cell or single-cell Li-ion systems, making it suitable for wearables or remote sensors where energy efficiency outweighs raw processing speed.
What are the key differences between the ATMEGA48PV-10MU and the standard ATMEGA48PA-20AU in terms of clock speed, voltage range, and peripheral availability, and how should an engineer choose between them for a cost-sensitive industrial control application?
The ATMEGA48PV-10MU runs at up to 10 MHz with a supply range of 1.8V to 5.5V, while the ATMEGA48PA-20AU supports 20 MHz and operates from 2.7V to 5.5V. Although both share the same core architecture and pinout, the PA version offers double the performance but lacks true sub-2.5V operation. For industrial controls using 3.3V logic and moderate timing requirements, the PV variant provides better noise immunity at lower voltages and reduced power dissipation—critical in thermally constrained enclosures—while saving component cost due to slower oscillator needs.
Can the ATMEGA48PV-10MU be used reliably in automotive environments, and what design precautions are necessary given its MSL rating and temperature range?
While the ATMEGA48PV-10MU is rated for -40°C to +85°C (commercial grade), it is not qualified per AEC-Q100 standards required for most automotive systems. Its Moisture Sensitivity Level 3 indicates that it must be stored and handled with standard ESD precautions during assembly. In non-critical automotive edge devices or infotainment subsystems with passive cooling, it may be acceptable if derated appropriately; however, for functional safety or high-reliability engine control units, a certified automotive-grade MCU like the ATMEGA4809-AFR would be preferable despite higher cost.
What considerations apply when interfacing the ATMEGA48PV-10MU with 5V legacy peripherals such as shift registers or LCD controllers, especially given its maximum Vcc of 5.5V and I/O voltage tolerance?
The ATMEGA48PV-10MU can tolerate 5V on its I/O pins even when powered at 3.3V, enabling safe bidirectional communication with 5V devices through direct wiring—provided output drivers are not driven above Vcc. However, care must be taken not to exceed 5.5V absolute maximum on any pin. For robust designs, level-shifting circuits or open-drain configurations are recommended when driving 5V loads from a 3.3V system, particularly if bidirectional signals like SPI or UART cross voltage domains.
How much flash memory overhead is typically required for bootloaders versus application code on the ATMEGA48PV-10MU, and how does this impact real-time response in embedded systems?
Standard Arduino-style bootloaders consume roughly 512 bytes of the 4KB flash on the ATMEGA48PV-10MU, leaving about 3.5 KB for application logic. While sufficient for simple sensor polling or LED control, real-time applications requiring interrupt latency below 100 µs may benefit from skipping the bootloader entirely to eliminate vector table remapping delays. Alternatively, custom bootloaders optimized for minimal footprint can reduce overhead to under 256 bytes, preserving more space without sacrificing reliability.
What trade-offs exist between using the internal oscillator versus an external crystal on the ATMEGA48PV-10MU, particularly in precision-critical measurement applications?
The ATMEGA48PV-10MU includes a calibrated internal 1 MHz RC oscillator accurate to ±10% over temperature and voltage, sufficient for basic timing tasks. However, for applications requiring <1% frequency accuracy—such as ADC sampling or communication protocols—an external 8–16 MHz crystal improves stability. External crystals add board complexity and cost but enable tighter control of timing margins, which becomes critical when synchronizing multiple peripherals or ensuring UART baud rate compliance across process variations.
Is the ATMEGA48PV-10MU suitable for continuous operation in dusty or humid environments, and what packaging-related safeguards should be implemented during PCB layout?
The 32-VQFN package offers good thermal and electrical performance but exposes pads that require careful attention during reflow soldering. While conformal coating can protect against moisture ingress, dust accumulation near the exposed pad may affect heat dissipation if not properly vented. Engineers should ensure adequate clearance zones, avoid placing high-impedance traces near edges, and consider adding a ground stitching via array beneath the center pad to maintain signal integrity and mechanical stability in harsh conditions.
How does the watchdog timer configuration differ between the ATMEGA48PV-10MU and earlier ATmega models, and why might developers prefer the windowed WDT feature in mission-critical firmware?
Unlike older ATmega MCUs, the ATMEGA48PV-10MU supports only the standard watchdog timer mode without windowing, meaning it must be serviced within a fixed interval once enabled. This simplifies implementation but increases risk of accidental disablement during debugging. In contrast, windowed WDTs prevent late servicing—useful in complex RTOS environments—but aren’t available here. Developers must therefore structure their main loop to guarantee timely WDT clears, possibly by isolating critical sections with atomic operations or disabling interrupts temporarily during sensitive routines.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATMEGA48PV-10MU

Product Attribute ATMEGA48PV-10MMU ATMEGA48PV-10MUR ATMEGA48PV-10MMUR ATMEGA48PV-10MUR
Part Number ATMEGA48PV-10MMU ATMEGA48PV-10MUR ATMEGA48PV-10MMUR ATMEGA48PV-10MUR
Manufacturer Microchip Technology Atmel Microchip Technology Microchip Technology
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Program Memory Type - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Connectivity - - - -
Speed - - - -
Data Converters - - - -
Peripherals - - - -
Number of I/O - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Core Processor - - - -
Core Size - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Oscillator Type - - - -
Program Memory Size - - - -
RAM Size - - - -
EEPROM Size - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

ATMEGA48PV-10MU Datasheet PDF

Download ATMEGA48PV-10MU pdf datasheets and Microchip Technology documentation for ATMEGA48PV-10MU - Microchip Technology.

Datasheets
Cylindrical Battery Holders.pdf
PCN Design/Specification
ATMEGA Datasheet 13/Dec/2018.pdf Marking Chgs 11/Jul/2017.pdf
PCN Packaging
Boxes 07/Dec/2016.pdf MBB/Label Chgs 16/Nov/2018.pdf
PCN Other
2.73KHz.pdf
PCN Assembly/Origin
2.73KHz.pdf

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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)
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  • Packaging
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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.
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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
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  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
ATMEGA48PV-10MU Image

ATMEGA48PV-10MU

Microchip Technology
32D-ATMEGA48PV-10MU

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