Software Downloads

Download software files to support Silicon Labs 8-bit and 32-bit microcontroller, interface, clock, oscillator, optical sensor, wireless and ZigBee development.
Interface Software and Drivers  

Interface Software & Drivers

VCP drivers, USBXpress drivers, firmware & host API for CP21xx USB bridge products & USB MCU products
ClockBuilder Desktop  

Clock Software

Customize a clock, calculate jitter and simplify clock multiplication & jitter attenuation high-speed telecom applications
DSPLL  

Oscillator Software

Evaluate MEMS oscillators, configure custom parts & get example code for general-purpose oscillators
Si114x Optical Sensor Programmer's Toolkit  

Si114x Programmer's Toolkit

Software API & full suite of sample source code & utilities for Silicon Labs’ Si114x Optical Sensors
Wireless Development Suite  

EZRadio Sub-GHz Wireless Software

Comprehensive toolset to quickly and easily create & deploy efficient, robust & low-cost wireless applications
Ember ZigBee Software and Development Tools     

Ember ZigBee Software

IDE, network analyzer, AppBuilder, networking software stack to build & monitor robust ZigBee mesh networks
 
 
Effective January 1, 2011, Silicon Labs software applications are no longer supported on the Windows 2000 operating system. While existing support has not been removed, all future product releases will support Windows XP SP3 and newer versions.