Thread Software Development Kit

Overview
Downloads
Tech Docs
Community & Support

Overview

Silicon Labs is a founding board member of the Thread Group with numerous successful customer deployments of mesh networking solutions based on 802.15.4 and Zigbee. Registered customers of the kits can access the Thread SDK and development tools through Simplicity Studio

Thread SDK Features and Benefits

Features		Benefits
Thread 1.1		Provides low-power, IPv6-based wireless communication between devices for home and commercial building applications
OpenWeave		A secure, reliable application layer for Thread devices
OpenThread Border Router		Connects a Thread network to other IP-based networks such as Wi-Fi or Ethernet
Dynamic Multiprotocol		Enable Thread and Bluetooth functionality on a single chip

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Thread SDK Specification Support

Thread Specification Support

Thread Specification Support

Thread 1.1

IEEE 802.15.4 MAC/PHY 2006

2.4 GHz Worldwide

Sample Applications

CLI FTD

CLI MTD

NCP

RCP

Devices

Multiprotocol with BLE

Low-power sleepy devices

Non-Volatile Memory with Flash Wear Leveling

Gateway

NCP

SPI - 1 Mbps

UART (RTS/CTS) - 115200 bps

Spinel NCP Protocol

GitHub

OpenWeave Lock Example

OpenThread Border Router

Enablement

RTOS

FreeRTOS

Manufacturing Library

Command Line Interface

Security

IEEE 802.15.4 MAC Security

J-PAKE Commissioning

Development Tools

Simplicity Studio IDE

Network Analyzer

Energy Profiler

Packet Trace Interface

Simplicity Commander

Supported Toolchains

GCC (The GNU Compiler Collection)
version 7.2.1

Mobile Apps

Thread 1.1 Commissioning App for Android

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Downloads

Download and Install Simplicity Studio

Get up and running quickly with precompiled demos, application notes and examples. Use advanced tools including energy profiling and network analysis to optimize your wireless systems. Choose your software package below.


	GitHub Silicon Labs wireless IoT SDKs are also available for download on GitHub.

Tech Docs

Gecko SDK Release Notes (4.1.2.0)

Latest Release - Q3/2022 (September 2022)

OpenThread Version 2.1.2.0

Alpha SPI support for OpenThread RCP without CPC
Thread 1.2 and 1.3 support for OpenThread
Updated GCC compiler version to 10.3.1
Alpha Concurrent Multiprotocol Zigbee in NCP mode and OpenThread in RCP mode
Alpha Dynamic Multiprotocol Bluetooth and multi-PAN 802.15.4 in RCP mode

Release	Date	Release Notes
2022	2022/09	Version 2.1.2.0
	2022/08	Version 2.1.1.0
	2022/06	Version 2.1.0.0
	2022/03	Version 2.0.2.0
	2022/01	Version 2.0.1.0
2021	2021/12	Version 2.0.0.0
	2021/10	Version 1.2.3.0
	2021/09	Version 1.2.2.0
	2021/07	Version 1.2.1.0
	2021/06	Version 1.2.0.0
	2021/04	Version 1.1.2.0
	2021/01	Version 1.1.1.0
2020	2020/12	Version 1.1.0.0
	2020/10	Version 1.0.2.0
	2020/09	Version 1.0.1.0
	2020/07	Version 1.0.0.2

Gecko Platform Version 4.1.2.0

Initial release of CPC
Added support for EFR32xG24; MGM240, EFR32MR21 and FGM230
Several code size improvements related to Power Manager, HFXO Manager and em_crypto
Tools and Dependencies
- Updated compiler support to GCC 10.3- 2021.10 and IAR 9.20.4
- Updated CMSIS to version 5.8.0 Drivers
Drivers
- Added a new component to synchronize UART/PTI settings between WSTK mainboard and the radio board
- Added support for Analog Joystick driver to use the joystick functionality on mainboard v2
Security
- Mbed TLS is updated to version 3.1.0
- Added software support for TrustZone, BETA quality
Bootloader
- Jedec driver support for external SPI flash
- A new sample app for devices with external SPI flash

Release	Date	Release Notes
2022	2022/09	Version 4.1.2.0
	2022/08	Version 4.1.1.0
	2022/06	Version 4.1.0.0
	2022/03	Version 4.0.2.0
	2022/01	Version 4.0.1.0
2021	2021/12	Version 4.0.0.0
	2021/10	Version 3.2.3.0
	2021/09	Version 3.2.2.0
	2021/07	Version 3.2.1.0
	2021/06	Version 3.2.0.0
	2021/04	Version 3.1.2.0
	2021/01	Version 3.1.1.0
2020	2020/12	Version 3.1.0.0
	2020/10	Version 3.0.2.0
	2020/09	Version 3.0.1.0
	2020/07	Version 3.0.0.2