Microchip Technology ATMEGA48P-20MUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.60 | $2.60 |
| 15+ | $2.52 | $37.80 |
| 25+ | $2.47 | $61.75 |
| 50+ | $2.33 | $116.50 |
| 100+ | $2.06 | $206.00 |
| N+ | $0.41 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | NULL |
| 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-VQFN (5x5) |
| Package / Case | 32-VFQFN Exposed Pad |
| ROHS |
The ATMEGA48P-20MUR from Microchip Technology is a high-performance 8-bit AVR microcontroller. It operates at up to 20MHz with a supply voltage range of 2.7V to 5.5V, making it flexible for various power designs. It features 4KB of flash memory and 512 bytes of SRAM, along with essential peripherals like PWM, watchdog timer, and brown-out detection. Housed in a compact 32-VFQFN package, it is suitable for space-constrained applications requiring reliable operation.
- Wide voltage range (2.7V-5.5V) enables direct battery or 5V logic operation without extra regulators.
- 20MHz AVR core provides fast processing for real-time control tasks.
- Compact 32-VFQFN package saves PCB space for miniaturized designs.
- Integrated PWM and WDT reduce external component count and improve system reliability.
Industrial Control Systems
The 20MHz AVR core with 4KB flash and 512B RAM is ideal for simple motor control or sensor reading in industrial environments, operating reliably from 2.7V to 5.5V.
Automotive Aftermarket Sensors
With an operating temperature range of -40°C to 85°C, this MCU can handle under-hood sensor interfaces for temperature or pressure monitoring.
Battery-Powered Devices
The low-voltage operation down to 2.7V allows direct battery connection for portable devices like digital thermometers or simple remote controls.
PWM LED Lighting Controllers
Built-in PWM channels enable smooth dimming control for LED strips or display backlighting, with the WDT ensuring system stability.
Home Automation Hubs
Its small 32-VFQFN package and robust I/O make it suitable for smart home sensor nodes that communicate over I2C or SPI.
Educational Prototyping
The AVR architecture is well-documented, making this a reliable choice for teaching embedded systems with real-time control.
- Q: What is the maximum operating frequency of the ATMEGA48P-20MUR?
- A: The maximum operating frequency is 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much flash memory does it have?
- A: It has 4KB of flash program memory.
- Q: What package is this device available in?
- A: It comes in a 32-VFQFN exposed pad package.
- Q: What are the key features?
- A: It includes Brown-out Detect/Reset, POR, PWM, and WDT.
- Q: What is the maximum operating frequency of the ATMEGA48P-20MUR?
- A: The maximum operating frequency is 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much flash memory does it have?
- A: It has 4KB of flash program memory.
- Q: What package is this device available in?
- A: It comes in a 32-VFQFN exposed pad package.
- Q: What are the key features?
- A: It includes Brown-out Detect/Reset, POR, PWM, and WDT.

ATMEGA48P-20MUR.pdf