Microchip Technology ATMEGA48P-20AUR
| 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) | 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 ATMEGA48P-20AUR from Microchip Technology is a powerful 8-bit AVR microcontroller designed for efficiency and flexibility. It operates at speeds up to 20MHz and supports a supply voltage from 2.7V to 5.5V, making it compatible with both 3.3V and 5V logic. The device features 4KB of flash memory and 512 bytes of SRAM, providing ample space for moderate-complexity applications. It includes advanced peripherals such as PWM, Brown-out Detect/Reset, Power-on Reset, and a Watchdog Timer, ensuring reliable operation in diverse environments. Housed in a 32-TQFP package, it operates over an industrial temperature range of -40°C to 85°C, making it a versatile choice for embedded systems.
- High Throughput AVR Core: Executes most instructions in a single clock cycle, achieving up to 20 MIPS at 20MHz.
- Flexible Voltage Range: Works with 3.3V or 5V supplies, simplifying integration into mixed-voltage systems.
- Rich Peripheral Set: Includes PWM, analog comparator, and multiple timers, reducing external components.
- Compact TQFP Package: Saves board space while offering 32 I/O pins for connectivity.
- Reliable Operation: Integrated Brown-out Reset and WDT enhance system stability in harsh conditions.
Motor Control in Drones
The 20MHz AVR core and built-in PWM channels enable precise speed control of brushless DC motors, while the 2.7V-5.5V range supports LiPo battery voltages.
Smart Home Automation
With 4KB flash and 512B RAM, it can manage Zigbee or custom RF protocols for smart switches and lighting controllers, benefiting from low power consumption.
Portable Medical Devices
Its low-voltage operation (down to 2.7V) and small TQFP package make it ideal for glucose meters or digital thermometers, ensuring long battery life.
Automotive Sensor Interfaces
The -40°C to 85°C range and robust I/O handle temperature and pressure sensors in engine control units, with WDT ensuring fail-safe operation.
Industrial Data Loggers
Use its 512B RAM to buffer sensor data and 4KB flash for logging routines, while the Brown-out Reset protects against power glitches.
Educational Robotics
The AVR architecture is widely supported, making it perfect for hobby robots requiring PWM for servos and UART for Bluetooth modules.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, allowing use in both 3.3V and 5V systems.
- Q: What is the maximum clock speed?
- A: The device supports up to 20MHz, delivering high throughput for AVR cores.
- Q: How much flash and RAM are available?
- A: It has 4KB (2K x 16) of flash program memory and 512 bytes of SRAM.
- Q: What package does it come in?
- A: It is available in a 32-pin TQFP package, suitable for compact PCB layouts.
- Q: Does it have PWM and safety features?
- A: Yes, it includes PWM channels, Brown-out Detect/Reset, POR, and WDT.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, allowing use in both 3.3V and 5V systems.
- Q: What is the maximum clock speed?
- A: The device supports up to 20MHz, delivering high throughput for AVR cores.
- Q: How much flash and RAM are available?
- A: It has 4KB (2K x 16) of flash program memory and 512 bytes of SRAM.
- Q: What package does it come in?
- A: It is available in a 32-pin TQFP package, suitable for compact PCB layouts.
- Q: Does it have PWM and safety features?
- A: Yes, it includes PWM channels, Brown-out Detect/Reset, POR, and WDT.

ATMEGA48P-20AUR.pdf