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Microchip 8 bit AVR ATmega Microcontroller 20 MHz 32kB FLASH 28-Pin VQFN ATMEGA328P-MMH
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 950μm |
| Length | 4.05mm |
| Model | ATMEGA328P-MMH |
| Width | 4.05mm |
| Mount Type | Surface |
| Series | Atmega |
| Maximum Operating Temperature | 85°C |
| Package Type | VQFN |
| Minimum Operating Temperature | -40°C |
| Ram size | 2kB |
| Interface Type | SPI, USART |
| Pin Count | 28 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Device Core | AVR |
| Program Memory Size | 32kB |
| Maximum Clock Frequency | 20MHz |
| Number of Programmable I/Os | 23 |
| Analogue Comparators | 1 |
| Number of Timers | 2 |
| Instruction Set Architecture | RISC |
| ADCs | 8 x 10 Bit |
| Program Memory Type | FLASH |
Key Features
- The microcontroller uses an 8-bit AVR core for efficient processing.
- Includes 2kB SRAM and 1024-byte EEPROM for data storage.
- Supports SPI, USART interface types ensuring versatile connectivity.
- Operates across a wide voltage range from 1.8V to 5.5V.
- Has 23 programmable input/output pins suitable for complex control.
- Features 8 channels of 10-bit ADC for analog signal conversion.
- Equipped with power-on reset and programmable brown-out detection.
- Offers multiple power-saving sleep modes for energy-efficient designs.
Product Description
Microchip ATMEGA328P-MMH is an 8-bit AVR microcontroller based on enhanced RISC architecture ideal for low-power embedded applications.
With a maximum operating frequency of 20 MHz and 32 kB of flash memory, it supports efficient processing and program storage. The integrated 2 kB SRAM and 1024 byte EEPROM provide ample space for data and non-volatile storage respectively.
The device offers multiple communication interfaces including SPI and USART for flexible connectivity in embedded systems. Its wide supply voltage range from 1.8 V to 5.5 V makes it suitable for battery-operated devices.
This microcontroller features 23 programmable I/O pins and eight 10-bit ADC channels for precise analog signal conversions. Additional capabilities include an internal calibrated oscillator, power-on reset, programmable brown-out detection, and six power-saving sleep modes, enhancing its suitability for energy-conscious designs.
The control timers include two 8-bit timers and one 16-bit timer with six PWM channels and an output compare module for waveform generation and precise timing control. It also incorporates features such as a temperature sensor, capacitive touch sensing on 16 channels, and an analog comparator.
Packaged in a compact 28-pin VQFN package with dimensions of 4.05 mm by 4.05 mm and a height of 950 μm, it supports surface mount installation, suitable for space-constrained applications.
The microcontroller supports 131 instructions with most single clock cycle execution enhancing throughput. Designed for both industrial and consumer embedded applications requiring reliable digital control. Its fully static operation ensures stability over a wide temperature range from -40°C to 85°C.
Internal and external interrupt sources and wake-up on pin change add flexibility to real-time applications. Ideal for automotive, home automation, wearable technology, and general embedded control systems. Explore more Microcontrollers and embedded solutions at EnvMart to support your design and manufacturing needs.
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Frequently Asked Questions
The maximum operating frequency of the ATMEGA328P-MMH microcontroller is 20 MHz.
It operates across a wide supply voltage range from 1.8 V to 5.5 V.
This microcontroller features 32 kB of flash memory for program storage.
The device has 23 programmable input/output pins for various control applications.
It supports SPI and USART interface types, allowing for versatile connectivity in embedded systems.
The ATMEGA328P-MMH is packaged in a 28-pin VQFN type with dimensions of 4.05 mm by 4.05 mm and a height of 950 μm.
It operates within a temperature range of -40°C to 85°C.
This microcontroller includes eight 10-bit ADC channels for analog signal conversion.
It incorporates two 8-bit timers and one 16-bit timer, along with six PWM channels.
The microcontroller offers multiple power-saving sleep modes, power-on reset, and programmable brown-out detection.
It has an integrated RAM size of 2 kB for data storage.
This model is based on an 8-bit AVR core architecture, utilizing RISC instruction set.
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