Atmel ATMEGA48P-20MMU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $11.32 | $11.32 |
| 15+ | $2.13 | $31.95 |
| 25+ | $2.08 | $52.00 |
| 50+ | $1.96 | $98.00 |
| 100+ | $1.73 | $173.00 |
| N+ | $0.35 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Atmel |
| Product Series | AVR® ATmega |
| Packaging | Bulk | |
| 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 | 28-VQFN (4x4) |
| Package / Case | 28-VFQFN Exposed Pad |
| ROHS |
The ATMEGA48P-20MMU is an 8-bit AVR MCU from Atmel, running at 20MHz with 4KB flash and 512B RAM. It operates from 2.7V to 5.5V, featuring brown-out detection, POR, PWM, and WDT. The 28-VFQFN package is ideal for compact designs. This MCU balances performance and power efficiency for cost-sensitive embedded control applications.
- High speed (20MHz): Faster processing for time-critical control loops.
- Integrated brown-out detection: Prevents data corruption during voltage dips.
- Compact VFQFN-28: Saves PCB area compared to DIP packages.
- Wide voltage range (2.7-5.5V): Compatible with both 3.3V and 5V logic.
Motor Control for Drones
The 20MHz AVR core with PWM channels provides precise ESC signals for brushless motors in small UAVs.
Smart Agriculture Sensors
Low-power sleep modes and 2.7V operation enable solar-powered soil moisture monitors in remote fields.
Automotive Aftermarket Lighting
With 5.5V tolerance and PWM, it drives LED strips in interior ambient lighting systems.
Industrial Process Timers
WDT and brown-out reset ensure fail-safe operation in 24V industrial timer modules.
Consumer Robotics
4KB flash is sufficient for line-following algorithms, while the VFQFN package fits small robot PCBs.
Battery-Powered IoT Nodes
512B RAM handles simple sensor data logging, with POR ensuring clean startup from energy harvesting.
- Q: What is the maximum clock speed?
- A: It runs at up to 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much flash and RAM does it have?
- A: 4KB flash and 512 bytes of RAM.
- Q: What package is this variant?
- A: 28-VFQFN exposed pad.
- Q: Does it include brown-out detection?
- A: Yes, it has Brown-out Detect/Reset, POR, PWM, and WDT.
- Q: What is the maximum clock speed?
- A: It runs at up to 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much flash and RAM does it have?
- A: 4KB flash and 512 bytes of RAM.
- Q: What package is this variant?
- A: 28-VFQFN exposed pad.
- Q: Does it include brown-out detection?
- A: Yes, it has Brown-out Detect/Reset, POR, PWM, and WDT.

ATMEGA48P-20MMU.pdf