ATMEGA328P-MMHR
- Mfr.Part #
- ATMEGA328P-MMHR
- Manufacturer
- Microchip Technology
- Package / Case
- 28-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 28VQFN
- Stock
- 20,671
- In Stock :
- 20,671
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- JESD-609 Code :
- e4
- RoHS :
- Details
- Minimum Operating Temperature :
- - 40 C
- RoHS Status :
- ROHS3 Compliant
- Number of Terminations :
- 28
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Length :
- 4mm
- Memory Size :
- 1.8kB
- Factory Lead Time :
- 17 Weeks
- Base Product Number :
- ATmega328
- Mounting Style :
- SMD/SMT
- Supply Voltage :
- 5V
- Number of I/Os :
- 23 I/O
- DAC Channels :
- No
- Power Supplies :
- 2/5V
- Core Processor :
- AVR
- PWM Channels :
- yes
- EEPROM Size :
- 1K x 8
- Reach Compliance Code :
- Compliant
- Supply Current-Max :
- 9 mA
- Interfaces :
- SPI/USART
- Program Memory Type :
- Flash
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Qualification :
- -
- Has ADC :
- yes
- Height Seated (Max) :
- 1mm
- Package Shape :
- Square
- Product Category :
- 8-bit Microcontrollers - MCU
- Number of Pins :
- 28
- DMA Channels :
- No
- Supplier Device Package :
- 28-VQFN (4x4)
- Brand :
- Microchip Technology / Atmel
- Number of Timers/Counters :
- 3
- Number of I/O Lines :
- 23
- Speed :
- 20MHz
- ROM Programmability :
- Flash
- Interface Type :
- I2C, SPI, USART
- Core Size :
- 8-Bit
- Packaging :
- Tape and Reel (TR)
- ROM (words) :
- 16384
- Mounting Type :
- Surface Mount
- Operating Temperature :
- -40°C~85°C TA
- Qualification Status :
- Not Qualified
- Package / Case :
- 28-VFQFN Exposed Pad
- Product :
- MCU
- Interface :
- I2C, SPI, UART, USART
- Temperature Grade :
- Industrial
- Maximum Operating Temperature :
- + 85 C
- Number of Terminals :
- 28
- Published :
- 2012
- Manufacturer :
- Microchip
- RAM (bytes) :
- 2048
- Data Bus Width :
- 8B
- Terminal Pitch :
- 0.45mm
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Device Core :
- AVR
- Bit Size :
- 8
- Series :
- AVR® ATmega
- Contact Plating :
- Gold
- MSL :
- MSL 3 - 168 hours
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Base Part Number :
- ATmega328P
- Tradename :
- AVR
- Pbfree Code :
- yes
- Program Memory Size :
- 32KB 16K x 16
- Memory Type :
- FLASH, OTP
- Frequency :
- 20MHz
- JESD-30 Code :
- S-PQCC-N28
- Data Converters :
- A/D 8x10b
- Supply Voltage-Min (Vsup) :
- 4.5V
- RAM Size :
- 2K x 8
- Product Status :
- Active
- Product Type :
- 8-bit Microcontrollers - MCU
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Supply Voltage-Max (Vsup) :
- 5.5V
- Oscillator Type :
- Internal
- Width :
- 4 mm
- Terminal Position :
- QUAD
- Seated Height-Max :
- 1 mm
- Watchdog Timer :
- yes
- Terminal Form :
- NO LEAD
- Mount :
- Surface Mount
- Surface Mount :
- yes
- Connectivity :
- I2C, SPI, UART/USART
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Data Converter :
- A/D 8x10b
- Number of I/O :
- 23
- Number of ADC Channels :
- 8 Channel
- CPU Family :
- AVR RISC
- Datasheets
- ATMEGA328P-MMHR
ATMEGA328P-MMHR Documents

Microcontrollers Microchip Technology ATMEGA328P-MMHR Overview
The ATMEGA328P-MMHR by Microchip Technology stands as a cornerstone in the world of microcontrollers, engineered to provide robust control solutions across a spectrum of applications. This 8-bit MCU is a pivotal component known for its high performance, versatility, and efficiency, encased in a compact 28-VQFN package. With 32KB of flash memory, it supports complex programs and real-time operations, making it an ideal choice for developers aiming to deploy advanced systems in constrained spaces. The inclusion of essential features such as EEPROM, analog comparator, and multiple communication interfaces ensures that the Microcontrollers Microchip Technology ATMEGA328P-MMHR fulfills the demanding needs of modern electronic environments, driving innovation and operational excellence.
ATMEGA328P-MMHR Features
The ATMEGA328P-MMHR microcontroller includes several key features that enhance its utility and functionality in complex electronic circuits:
- 32KB ISP flash memory: Allows for fast program execution and adequate space for most control applications.
- Advanced RISC Architecture: Offers efficient processing and optimal power consumption, ideal for battery-operated devices.
- Multiple communication interfaces: Includes USART, SPI, and I2C, enabling versatile peripheral connections.
- Power-on Reset and Programmable Brown-out Detection: Ensures reliable operation under variable power conditions.
- Up to 20MHz Clock Speed: Provides robust operation for time-sensitive tasks.
- Analog Comparator: Facilitates real-time analog signal analysis, crucial for sensor-based projects.
ATMEGA328P-MMHR Applications
- Consumer Electronics: Utilized in home automation systems and personal gadgets, where its capacity to handle multiple tasks simultaneously enhances user experience and functionality.
- Industrial Automation: Powers complex machinery controls, providing precise handling and monitoring capabilities essential for modern automated production lines.
- Automotive: Employed in vehicle system management, including engine control units and dashboard indicators, contributing to safer and more efficient vehicle operations.
- Healthcare Devices: Integral in developing wearable health monitors and medical diagnostic equipment, where reliability and accuracy are paramount.
- Robotics: Acts as the brain for robots, managing sensors and actuators, perfect for both educational tools and sophisticated commercial robotics systems.
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