EFR32xG21 Wireless Gecko Reference Manual

PublishTime：2020-11-23

The EFR32xG21 Wireless Gecko SoC is the first device in the Series 2 Wireless GeckoPortfolio, and includes the EFR32MG21 Mighty Gecko and EFR32BG21 Blue Gecko.The EFR32xG21 improves processing capability with a Cortex M33 core and has best inclass link budget while providing for lower active current for both the MCU and radio. Thededicated security core (Secure Element) provides improved cryptography and hardwaresecurity that is isolated from the main application CPU. This high performance and se-cure multi-protocol device supports Zigbee, Thread, and Bluetooth 5.0.
The single-die solution provides industry-leading energy efficiency, processing capability,and RF performance in a small form factor for IoT connected applications.
This document contains reference material for the EFR32xG21 devices. All modules and peripherals in the EFR32xG21 devices are described in general terms. Not all modules are present in all devices and the feature set for each device might vary. Such differences,including pinout, are covered in the device data sheets.
KEY FEATURES:
● 32-bit ARM® Cortex M33 core with 80 MHz maximum operating frequency
● Scalable Memory and Radio configuration options available in QFN packaging
● Peripheral Reflex System enabling autonomous interaction of MCU peripherals
● Autonomous Hardware Crypto Accelerator and True Random Number Generator
● Multiple Integrated 2.4 GHz PAs with up to 20 dBm transmit power

Brand of Product：	Silicon Labs
Part#：	EFR32xG21 、 EFR32MG21 、 EFR32BG21 More Part#
Product Category：	Wireless Gecko SoC More
Application：	[ IoT connected application ] More
Data Type：	User's Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	QFN
Language：	English Chinese Chinese and English Japanese
Date of Creation：	August, 2020
Version Number：	Rev. 0.8
Data Encoding：
Data Size：	22.8 MB

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