Microchip Technology ATMEGA328P-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.00 | $5.00 |
| 15+ | $4.60 | $69.00 |
| 25+ | $4.50 | $112.50 |
| 50+ | $4.25 | $212.50 |
| 100+ | $3.75 | $375.00 |
| N+ | $0.75 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The Microchip ATMEGA328P-AU is a high-performance 8-bit AVR microcontroller in a compact 32-TQFP package. It delivers 20MHz processing speed with 32KB flash memory and 2KB SRAM, operating from 1.8V to 5.5V. Built-in features like brown-out detection, power-on reset, and watchdog timer ensure reliable operation in industrial and consumer applications.
- Ultra-low power consumption: Multiple sleep modes and 1.8V operation extend battery life in portable devices.
- High code efficiency: AVR RISC architecture executes most instructions in a single clock cycle at 20MHz.
- Robust protection: Brown-out detection and watchdog timer prevent system failures in noisy environments.
- Wide temperature range: -40°C to 85°C rating suits automotive and outdoor applications.
IoT Sensor Nodes
With its low 1.8V operation and multiple sleep modes, the ATMEGA328P-AU is ideal for battery-powered environmental sensors that need to run for years on a single coin cell.
Motor Control Systems
The 20MHz AVR core with 6 PWM channels enables precise speed and torque control in small DC motors, drones, and robotic actuators.
Data Logging Devices
32KB of flash and 2KB of SRAM allow storing sensor data locally before transmission, perfect for industrial data loggers operating in -40°C to 85°C environments.
Home Automation Hubs
Its rich peripheral set (UART, SPI, I2C) and 5.5V tolerance simplify interfacing with Zigbee, Wi-Fi, and Z-Wave modules in smart home controllers.
Portable Medical Monitors
The low power consumption and small TQFP footprint make it suitable for wearable heart-rate or glucose monitors that require reliable long-term operation.
Educational Prototyping
As the core of Arduino Uno, this MCU is perfect for teaching embedded systems, with extensive community resources and robust documentation.
- Q: What is the operating voltage range of the ATMEGA328P-AU?
- A: It operates from 1.8V to 5.5V, making it suitable for battery and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: The maximum speed is 20MHz.
- Q: How much flash memory does it have?
- A: It has 32KB of in-system programmable flash memory.
- Q: What package is the ATMEGA328P-AU available in?
- A: It comes in a 32-TQFP package.
- Q: Does it include analog and PWM features?
- A: Yes, it has multiple PWM channels and an analog comparator.
ATMEGA328P-AU.pdf
- Q: What is the operating voltage range of the ATMEGA328P-AU?
- A: It operates from 1.8V to 5.5V, making it suitable for battery and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: The maximum speed is 20MHz.
- Q: How much flash memory does it have?
- A: It has 32KB of in-system programmable flash memory.
- Q: What package is the ATMEGA328P-AU available in?
- A: It comes in a 32-TQFP package.
- Q: Does it include analog and PWM features?
- A: Yes, it has multiple PWM channels and an analog comparator.
