Introduction#

The latest SE firmware image (.seu and .hex) and release notes can be found in the Windows folder below. For GSDK v3.2 and lower:

C:\SiliconLabs\SimplicityStudio\v5\developer\sdks\gecko_sdk_suite\<GSDK VERSION>\util\se_release\public

For GSDK v4.0 and higher:

C:\Users\<PC USER NAME>\SimplicityStudio\SDKs\gecko_sdk\util\se_release\public

Silicon Labs provides Custom Part Manufacturing Service (CPMS) to customize the users' security features and settings.

The Debug Challenge Interface (DCI) is used to configure the security features of the Series 2 devices, whereas the Serial Wire Debug (SWD) interface is used to program the flash memory of Series 2 devices. A general overview of the DCI and SWD programming steps is described in the following sections.