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Atmel AU 8-Bit AVR megaAVR Microcontroller, 20 MHz, 32kB Flash, 32-Pin TQFP ATmega328P
Specifications
| Country of Origin | India |
|---|---|
| Brand | Atmel |
| Height | 1.05mm |
| Length | 7.1mm |
| Model | ATmega328P |
| Width | 7.1mm |
| Mount Type | Surface |
| Series | megaAVR |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 2kB |
| Interface Type | SPI, USART |
| Pin Count | 32 |
| 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
- Ideal for embedded control, automotive, industrial, and consumer electronics applications.
- Features 8-bit AVR enhanced RISC architecture for efficient processing.
- Supports up to 20 MHz maximum clock frequency for fast operations.
- Includes 32kB of Flash memory and 2kB SRAM for reliable data storage.
- Wide operating voltage range of 1.8V to 5.5V for flexible system integration.
- Provides 23 programmable I/O pins for broad interfacing options.
- Offers six power-saving sleep modes to enable ultra-low power consumption.
- Built-in ADC with eight 10-bit channels and capacitive touch sense capability.
Product Description
Microchip ATmega328P-AU is an advanced 8-bit megaAVR microcontroller designed for demanding embedded applications, delivering efficient performance via enhanced AVR RISC architecture. Its 20 MHz maximum clock frequency supports up to 20 MIPS, making it suitable for real-time system requirements in industrial, automotive, and consumer markets.
With 32kB of Flash program memory, 2kB SRAM, and 1024B EEPROM, the ATmega328P offers robust memory resources for complex firmware and data handling. The device includes 32 general-purpose registers and 23 programmable I/O pins, enabling versatile hardware interfacing for sensors, actuators, and communications modules.
This microcontroller provides a comprehensive peripheral set including 10-bit ADC (eight channels), capacitive touch sensing, temperature sensor, two 8-bit timers, one 16-bit timer, six PWM channels, serial USART, SPI, I2C-compatible interface, and a programmable watchdog timer. Built-in power-on reset and brown-out detection enhance stability and system protection.
AVR enhanced RISC, ultra-low power picoPower technology, and efficient sleep modes. Internal and external interrupt sources allow responsive designs in safety-critical systems. Fully static operation with rigorous temperature tolerance from -40°C to +85°C.
Surface-mount TQFP package supports streamlined PCB designs for production environments. Suitable for battery-powered and portable applications needing minimal energy consumption.
Dimensions are 7.1mm x 7.1mm x 1.05mm (LxWxH), standard for 32-pin TQFP microcontrollers. The ATmega328P operates reliably between 1.8V and 5.5V supply, supporting wide deployment scenarios.
This microcontroller is widely used in microcontroller development boards (e.g., Arduino UNO), industrial controllers, automotive nodes, smart meters, sensor modules and more. Explore the full range of Microcontrollers and embedded solutions from Microchip within the EnvMart Electronics & Electricals category for reliable industrial-grade components.
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Frequently Asked Questions
The ATmega328P has a maximum clock frequency of 20 MHz, allowing for fast operations and efficient processing in embedded applications.
This model operates within a voltage range of 1.8V to 5.5V, providing flexibility for various system integrations.
The ATmega328P includes 32kB of Flash memory, which is suitable for storing complex firmware and data.
It supports several interfaces including SPI and USART, enabling versatile communication options for various applications.
The ATmega328P features 23 programmable I/O pins, allowing for broad interfacing options with sensors and actuators.
The dimensions of the ATmega328P are 7.1mm x 7.1mm x 1.05mm, which is standard for a 32-pin TQFP package.
This model has a RAM size of 2kB, providing sufficient memory for data handling in embedded applications.
The microcontroller can operate reliably between -40°C to +85°C, making it suitable for various environmental conditions.
Yes, it includes a built-in ADC with eight 10-bit channels, allowing for effective analog signal processing.
It offers six power-saving sleep modes that enable ultra-low power consumption, ideal for battery-powered applications.
This microcontroller is widely used in applications such as microcontroller development boards, industrial controllers, automotive nodes, and smart meters.
The ATmega328P comes in a TQFP package type, which supports streamlined PCB designs for production environments.
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