Microchip Technology ATMEGA48A-MMHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.80 | $1.80 |
| 15+ | $1.74 | $26.10 |
| 25+ | $1.70 | $42.50 |
| 50+ | $1.61 | $80.50 |
| 100+ | $1.42 | $142.00 |
| N+ | $0.28 | 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) | 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 | 28-VQFN (4x4) |
| Package / Case | 28-VFQFN Exposed Pad |
The ATMEGA48A-MMHR from Microchip Technology is an 8-bit AVR microcontroller with 4KB flash and 512 bytes SRAM. It operates at 20MHz with a supply range of 1.8V to 5.5V, packaged in a 28-pin VFQFN with exposed pad. The device integrates brown-out reset, power-on reset, PWM, and watchdog timer. Its low-voltage capability and compact package make it ideal for portable and battery-powered applications.
- Low-Voltage Operation (1.8V): Extends battery life in portable devices by allowing operation down to near-end-of-life voltages.
- Compact VFQFN Package: Reduces PCB area for miniaturized consumer products.
- 20MHz Performance: Handles real-time tasks like sensor sampling and communication protocols efficiently.
- Integrated Brown-out Reset: Ensures stable startup and shutdown in fluctuating power environments.
Consumer Electronics Remote Controls
The 1.8V minimum supply allows direct battery operation, while PWM drives IR LEDs for communication.
Sensor Nodes in Agriculture
Low power consumption and 20MHz speed enable soil moisture monitoring with periodic sleep cycles.
Motor Control in Drones
Its PWM outputs and compact VFQFN package fit into small ESC boards for brushless motor control.
Wearable Fitness Trackers
The 1.8V operation and small footprint support step counting and heart-rate monitoring in wristbands.
Home Automation Relays
With 4KB flash, it manages relay timing and status feedback in smart plugs and switches.
Educational Robotics Kits
Its ease of programming and robust I/O make it a staple for hobbyist robot controllers.
- Q: What is the supply voltage range?
- A: The ATMEGA48A-MMHR operates from 1.8V to 5.5V, supporting low-voltage and standard 5V systems.
- Q: What is the maximum CPU speed?
- A: It runs at up to 20MHz, offering good performance for 8-bit applications.
- Q: How much flash and RAM are included?
- A: It has 4KB of flash (2K x 16-bit) and 512 bytes of SRAM, suitable for small to medium firmware.
- Q: What package is this?
- A: It comes in a 28-pin VFQFN exposed pad package, ideal for space-saving PCB layouts.
- Q: Does it have brown-out detection?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT for reliable operation.
ATMEGA48A-MMHR.pdf
- Q: What is the supply voltage range?
- A: The ATMEGA48A-MMHR operates from 1.8V to 5.5V, supporting low-voltage and standard 5V systems.
- Q: What is the maximum CPU speed?
- A: It runs at up to 20MHz, offering good performance for 8-bit applications.
- Q: How much flash and RAM are included?
- A: It has 4KB of flash (2K x 16-bit) and 512 bytes of SRAM, suitable for small to medium firmware.
- Q: What package is this?
- A: It comes in a 28-pin VFQFN exposed pad package, ideal for space-saving PCB layouts.
- Q: Does it have brown-out detection?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT for reliable operation.
