Microchip Technology

ATMEGA328P-PN  

Microcontrollers

The ATMEGA328P-PU is a low-power, high-performance 8-bit microcontroller unit (MCU) developed by Microchip Technology. It is based on the AVR enhanced low-power architecture and features a high level of integration and advanced peripherals. Here is a description of the ATMEGA328P-PU, including its features and applications:

Description:

The ATMEGA328P-PU is a member of the ATmega family of microcontrollers, specifically designed for applications that require low power consumption and high computational efficiency. It is available in a 28-pin PDIP (Plastic Dual In-Line Package) format, making it suitable for a wide range of embedded applications.

Features:

1. CPU: The microcontroller features an 8-bit RISC (Reduced Instruction Set Computer) CPU with 32 general-purpose working registers.
2. Memory: It includes 32 KB of In-System Programmable Flash memory for program storage, allowing for in-system reprogramming and firmware updates. Additionally, it has 1 KB of EEPROM and 2 KB of SRAM.
3. I/O: The ATMEGA328P-PU offers 23 programmable I/O lines with optional hardware interrupts, making it suitable for interfacing with various peripherals and sensors.
4. Peripherals: It comes with a range of peripherals, including a USART for serial communication, a 6-channel 10-bit ADC, a 16-bit Timer/Counter with PWM channels, a 8-channel fast PWM, and a 16-bit USART for asynchronous serial communication.
5. Power Management: The microcontroller features a power-saving mode, allowing the system to operate at lower power consumption levels when not in active use.
6. Clock System: It supports an internal RC oscillator, an external crystal, or an external clock source for system timing.
7. Security: The ATMEGA328P-PU includes a JTAG interface for debugging and programming, as well as a bootloader option for simplified firmware updates.

Applications:

The ATMEGA328P-PU is suitable for a wide range of applications due to its low power consumption, high performance, and versatile features. Some common applications include:

1. Embedded Control Systems: Industrial control systems, home automation, and robotics.
2. Portable Devices: Battery-powered devices, such as fitness trackers, smart watches, and portable gaming consoles.
3. Sensor Networks: Data acquisition systems, environmental monitoring, and IoT (Internet of Things) devices.
4. Automotive Applications: In-vehicle infotainment systems, engine control modules, and safety systems.
5. Medical Devices: Glucose meters, blood pressure monitors, and other portable medical equipment.
6. Consumer Electronics: Home appliances, security systems, and multimedia devices.

The ATMEGA328P-PU is a versatile and efficient microcontroller that can be used in a variety of applications where low power consumption and high performance are required.

ATMEGA328P-PN Documents

Download datasheets and manufacturer documentation for ATMEGA328P-PN

DTS :

View in Development Tools Selector      

EOL :

Product Change Notification 2024-03-27 (PDF)      

Errata :

Automotive Silicon Errata and Data Sheet Clarification (PDF)       ATmega48A/PA/88A/PA/168A/PA/328/P Silicon Errata and Data Sheet Clarification (PDF)      

PCN :

Adding Copper Bonding Wire Capability for Selected Microcontrollers (PDF)       Product Change Notification (PDF)      

Models :

ATMEGA328P-PN Symbol & Footprint by SnapMagic