Overview
The ATMEGA328P-PU is a CMOS 8-bit microcontroller from Microchip Technology, based on the AVR® improved RISC architecture. This microcontroller is known for its high performance and low power consumption, making it suitable for a wide range of applications. It features a CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing system designers to optimize power consumption versus processing performance.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Microchip Technology |
| Type of integrated circuit | AVR microcontroller |
| Case | DIP28 |
| Clock frequency | 20MHz |
| Number of inputs/outputs | 23 |
| Number of PWM channels | 6 |
| Number of 8bit timers | 2 |
| Number of 16bit timers | 1 |
| Mounting | THT |
| Operating temperature | -40°C to 85°C |
| Operating voltage | 1.8V to 5.5V |
| Memory | 32kB FLASH, 2kB SRAM, 1kB EEPROM |
| Number of external interrupts | 24 |
| Number of output compare channels | 6 |
| Number of comparators | 1 |
| Number of input capture channels | 1 |
| Number of 10bit A/D converters | 6 |
| Family | ATMEGA |
| Number of capacitive channels | 16 |
| Terminal pitch | 2.54mm |
Key Features
- High Performance, Low Power AVR® 8-Bit Microcontroller Family: Advanced RISC architecture with 131 powerful instructions, most of which are executed in a single clock cycle.
- Memory and Storage: 32KB of in-system self-programmable flash memory, 1KB of EEPROM, and 2KB of internal SRAM.
- Timer and Counter Capabilities: Three flexible timer/counters with compare modes, internal and external interrupts, and a 6-channel 10-bit A/D converter.
- Communication Interfaces: Serial programmable USART, byte-oriented 2-wire serial interface, and SPI serial port.
- Power Management: Six sleep modes (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby) and low power consumption in active and sleep modes.
- QTouch® Library Support: For capacitive touch buttons, sliders, and wheels).
Applications
The ATMEGA328P-PU microcontroller is versatile and can be used in a variety of applications, including:
- Embedded Systems: Suitable for developing complex embedded systems due to its high performance and low power consumption.
- Robotics and Automation: Often used in robotic projects and automated systems due to its robust timer and counter capabilities.
- IoT Devices: Ideal for Internet of Things (IoT) devices that require efficient power management and multiple communication interfaces.
- Consumer Electronics: Used in various consumer electronics such as remote controls, appliances, and other electronic devices.
- Arduino Projects: Frequently used in Arduino boards like the Arduino Uno, making it a popular choice among hobbyists and developers).
Q & A
- What is the ATMEGA328P-PU microcontroller?
The ATMEGA328P-PU is a CMOS 8-bit microcontroller from Microchip Technology, based on the AVR® improved RISC architecture.
- What are the key memory specifications of the ATMEGA328P-PU?
It features 32KB of in-system self-programmable flash memory, 1KB of EEPROM, and 2KB of internal SRAM.
- What is the operating voltage range of the ATMEGA328P-PU?
The operating voltage range is from 1.8V to 5.5V.
- How many I/O lines does the ATMEGA328P-PU have?
The microcontroller has 23 programmable I/O lines.
- What communication interfaces does the ATMEGA328P-PU support?
It supports serial programmable USART, byte-oriented 2-wire serial interface, and SPI serial port.
- What are the power consumption characteristics of the ATMEGA328P-PU?
In active mode at 1MHz and 1.8V, it consumes 0.2mA, and in power-down mode, it consumes 0.1µA.
- What are the available package types for the ATMEGA328P-PU?
Available packages include 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF, and 32-pad QFN/MLF.
- Is the ATMEGA328P-PU suitable for new designs?
No, it is not recommended for new designs (NRND) according to current product lifecycle status.
- What is the temperature range for the ATMEGA328P-PU?
The operating temperature range is from -40°C to 85°C.
- Does the ATMEGA328P-PU support capacitive touch interfaces?
Yes, it supports capacitive touch buttons, sliders, and wheels through the QTouch® library.
