EFR32MG21A020F768IM32-B - Silicon Labs

Manufacturer Part Number

EFR32MG21A020F768IM32-B

Manufacturer

Energy Micro (Silicon Labs)

Introduction

High-performance ARM Cortex-M33 based wireless MCU

Part of the Mighty Gecko series

Designed for wireless applications requiring low power and high performance

Product Features and Performance

4GHz RF transceiver with up to 20dBm output power

Supports Bluetooth 5.1, Thread, and Zigbee protocols

Data rate up to 2Mbps

Excellent sensitivity of -104.9dBm

768kB Flash and 64kB RAM memory

Product Advantages

Optimized for low power consumption

Flexible peripheral set including ADC, GPIO, I2C, SPI, UART

Robust and secure wireless connectivity

Scalable performance and peripherals within the Mighty Gecko series

Key Technical Parameters

Frequency: 2.4GHz

Operating temperature: -40°C to 125°C

Supply voltage: 1.71V to 3.8V

Transmit current: 33.8mA

Receive current: 8.8mA

20 GPIO pins available

Quality and Safety Features

RoHS compliant

32-QFN (4x4) package with exposed pad

Compatibility

Surface mount, 32-VFQFN package

Suitable for a wide range of wireless applications

Application Areas

Bluetooth, Thread, and Zigbee-based devices

Industrial automation and control

Smart home and IoT applications

Medical and fitness devices

Product Lifecycle

Current product, not nearing discontinuation

Replacements and upgrades available within the Mighty Gecko series

Key Reasons to Choose This Product

High-performance wireless MCU with low power consumption

Flexible and scalable platform supporting multiple wireless protocols

Robust and secure wireless connectivity

Comprehensive peripheral set for diverse application needs

Proven reliability and long-term availability from a trusted manufacturer