Silicon Labs Gecko Bootloader User’s Guide for GSDK 4.0 and Higher#

Note: This section replaces UG489: Silicon Labs Gecko Bootloader User’s Guide for GSDK 4.0 and Higher. Further updates to this user guide will be provided here.

This document describes the high-level implementation of the Silicon Labs Gecko Bootloader for EFM32 and EFR32 Series 1 and Series 2 microcontrollers, SoCs (System on Chips) and NCPs (Network Co-Processors), and provides information on different aspects of configuring the Gecko Bootloader. If you are not familiar with the basic principles of performing a firmware upgrade or want more information about upgrade image files, refer to UG103.6: Bootloader Fundamentals. For more information on using the Gecko Bootloader with different wireless stacks, see the following:

• Using the Gecko Bootloader with EmberZNet

• UG435.06: Bootloading and OTA with Silicon Labs Connect v3.x

• Using the Gecko Bootloader with Silicon Labs Bluetooth Applications

For more information on Series 2 device security, see:

• Series 2 Secure Boot with RTSL

• Series 2 Secure Debug

• AN1222: Production Programming of Series 2 Devices

For more information on security using Series 2 devices with Secure Vault, see:

• Anti-Tamper Protection Configuration and Use

• Authenticating Silicon Labs Devices using Device Certificates

• Secure Key Storage