ATSAMR21G18A-MU - Microchip Technology

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