Microchip Technology ATMEGA328-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.38 | $2.38 |
| 15+ | $2.31 | $34.65 |
| 25+ | $2.26 | $56.50 |
| 50+ | $2.13 | $106.50 |
| 100+ | $1.88 | $188.00 |
| N+ | $0.38 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 ATMEGA328-AUR is a high-performance 8-bit AVR microcontroller in a 32-TQFP package. It operates from 1.8V to 5.5V at speeds up to 20MHz, with 32KB flash and 2KB SRAM. Integrated features include brown-out detection, power-on reset, PWM, and watchdog timer, making it a versatile choice for embedded control.
- Wide voltage range (1.8V-5.5V): Enables direct battery operation without external regulators, simplifying power design.
- 20MHz performance: Delivers fast instruction execution for real-time control tasks.
- 32KB flash memory: Ample space for complex firmware, reducing the need for external storage.
- Robust protection features: Brown-out reset and watchdog timer enhance system reliability in harsh environments.
Industrial Sensor Nodes
The 1.8V low-voltage operation and 20MHz speed allow efficient data acquisition from analog sensors with the built-in 10-bit ADC, reducing external components.
Battery-Powered IoT Devices
With a wide voltage range and multiple sleep modes, the ATMEGA328-AUR extends battery life in wireless sensor networks and smart home endpoints.
Motor Control for Small Appliances
Its PWM channels and WDT provide reliable pulse-width modulation for driving small DC motors, with brown-out reset ensuring safe shutdown during voltage dips.
Prototyping and Education
The 32KB flash and 2KB SRAM support Arduino-compatible bootloaders, making it ideal for rapid prototyping and STEM education kits.
Automotive Aftermarket Modules
Operating from -40°C to 85°C, it handles under-hood sensor interfaces and dashboard control units with robust performance.
Portable Medical Monitors
The low-power design and 5.5V max input allow direct connection to 3.7V Li-ion batteries, enabling compact health monitoring wearables.
- Q: What is the operating voltage range of the ATMEGA328-AUR?
- A: The ATMEGA328-AUR operates from 1.8V to 5.5V, making it suitable for battery-powered and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: It supports up to 20MHz, providing a balanced performance for general-purpose embedded applications.
- Q: How much flash memory does it have?
- A: It features 32KB of in-system programmable flash, ideal for moderate-complexity firmware.
- Q: What package is available?
- A: It comes in a 32-TQFP package, suitable for compact PCB designs.
- Q: Does it include analog comparators?
- A: Yes, it includes analog comparators along with PWM, WDT, and brown-out detection.
ATMEGA328-AUR.pdf
- Q: What is the operating voltage range of the ATMEGA328-AUR?
- A: The ATMEGA328-AUR operates from 1.8V to 5.5V, making it suitable for battery-powered and 3.3V/5V systems.
- Q: What is the maximum clock speed?
- A: It supports up to 20MHz, providing a balanced performance for general-purpose embedded applications.
- Q: How much flash memory does it have?
- A: It features 32KB of in-system programmable flash, ideal for moderate-complexity firmware.
- Q: What package is available?
- A: It comes in a 32-TQFP package, suitable for compact PCB designs.
- Q: Does it include analog comparators?
- A: Yes, it includes analog comparators along with PWM, WDT, and brown-out detection.
