Manufacturer Part Number
ATSAMR21G18A-MU
Manufacturer
Microchip Technology
Introduction
Highly integrated IEEE 802.15.4-compliant 2.4GHz RF transceiver and ARM Cortex-M0+ MCU
Product Features and Performance
Low-power operation with 7.2mA transmit and 11.3mA receive current consumption
High receiving sensitivity of -99dBm
Maximum data rate of 250kbps
256kB Flash and 32kB SRAM memory
28 GPIO pins
Supports multiple serial interfaces: I2C, SPI, UART, USART, USB
Product Advantages
Optimized for low-power, battery-operated wireless applications
Integrated MCU and RF transceiver for reduced system complexity
Robust RF performance with high receive sensitivity
Flexible connectivity options through various serial interfaces
Key Technical Parameters
Frequency: 2.4GHz
Operating temperature: -40°C to 85°C
Supply voltage: 1.8V to 3.6V
Transmit power: 4dBm
Modulation: O-QPSK
Quality and Safety Features
RoHS3 compliant
48-QFN (7x7) package with exposed pad
Compatibility
Supported in various Microchip development kits and tools
Application Areas
Wireless sensor networks
Smart home and building automation
Industrial IoT
Wearable devices
Mesh networking applications
Product Lifecycle
Currently available, no plans for discontinuation
Key Reasons to Choose This Product
Highly integrated solution with MCU and RF transceiver
Optimized for low-power, battery-operated applications
Robust RF performance with high receive sensitivity
Flexible connectivity options through various serial interfaces
Supported by Microchip's extensive development ecosystem