Microchip Technology ATMEGA48-20AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.00 | $4.00 |
| 15+ | $3.68 | $55.20 |
| 25+ | $3.60 | $90.00 |
| 50+ | $3.40 | $170.00 |
| 100+ | $3.00 | $300.00 |
| N+ | $0.60 | 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 | 4KB (2K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 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 ATMEGA48-20AUR is a high-performance 8-bit AVR microcontroller from Microchip, packaged in a 32-TQFP. It features 4KB Flash, 512 bytes of SRAM, and operates at up to 20MHz. Known for its efficiency and rich peripheral set, including PWM and multiple timers, it is a popular choice for a wide range of embedded control applications.
- High Code Efficiency: The AVR architecture executes most instructions in a single clock cycle, maximizing throughput at 20MHz.
- Rich Peripheral Set: Includes 8-bit and 16-bit timers, PWM, USART, SPI, and I2C, covering most interface needs.
- Low Power Consumption: Features multiple sleep modes, ideal for battery-powered devices.
- Compact TQFP Package: The 32-pin package offers a good balance of I/O and size for dense PCB designs.
Motor Control in Drones
The 20MHz AVR core and hardware PWM are ideal for generating ESC signals for brushless motors in small quadcopters and robotics.
Smart Home Sensors
With 4KB Flash and low-power modes, it can run temperature, humidity, or motion sensors, communicating over I2C or UART to a central hub.
Industrial Encoder Reading
Its fast I/O and interrupt handling make it suitable for reading quadrature encoders in CNC machines or 3D printers for precise position feedback.
Portable Instrumentation
The 2.7V-5.5V range allows operation from 3V batteries, and the 32-TQFP package is compact for handheld multimeters or data loggers.
Automotive Aftermarket
Used in custom dashboards or lighting controllers, the robust AVR architecture handles the automotive environment with proper protection.
Prototyping and Education
As a classic AVR chip, it is widely used in Arduino-compatible boards, making it perfect for learning and rapid prototyping.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much Flash memory is included?
- A: It has 4KB of Flash (2K x 16 bits).
- Q: What is the package type?
- A: This variant comes in a 32-TQFP package.
- Q: Does it support PWM?
- A: Yes, it includes multiple PWM channels and a WDT.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 20MHz.
- Q: How much Flash memory is included?
- A: It has 4KB of Flash (2K x 16 bits).
- Q: What is the package type?
- A: This variant comes in a 32-TQFP package.
- Q: Does it support PWM?
- A: Yes, it includes multiple PWM channels and a WDT.

ATMEGA48-20AUR.pdf