Texas Instruments

TI-RTOS CC13XX and CC26XX Release Notes

Table of Contents


TI-RTOS delivers components that enable engineers to develop applications on Texas Instruments micro-controller devices. The product is comprised of multiple software components and examples of how to use these components together. TI-RTOS gives developers a one-stop RTOS solution for developing applications for TI embedded microcontrollers. It provides an OS kernel, communications support, drivers, and more. It is tightly integrated with the Code Composer Studio development environment. In addition, examples are provided to demonstrate the use of each functional area and each supported device and as a starting point for your own projects.


The following documentation is available:

Products Included

Click on the links below to view the release notes for the different products.

Boards Supported

Examples are provided for the following boards:

What’s New

To see what has changed in the TI-RTOS Drivers, see the separate TI-Drivers release notes in [as installed]/products/tidrivers_M_mm_pp_bb.

Defects fixed in this release:

Key Summary
TIRTOS-646 rfEasyLinkNp example not working on GCC builds while debugger attached
TIRTOS-640 rfEasyLinkNp TX API includes white space in TX data for binary mode
TIRTOS-614 Update RF examples RF setting in in 2.21 with settings from latest SmartRF Studio
TIRTOS-613 Feature: Add BLE mode to the rfPacketErrorRate example
TIRTOS-536 Update OOB software example (DM WSN Node & Concentrator) for the CC1350STK
TIRTOS-535 Add RF examples to CC1350STK target

Upgrade and Compatibility Information

The following is a summary of known compatibility issues from previous releases:

Host Support


This release requires the following other software components and tools.

Validation Information

Known Issues


All releases have 4 digits (M.mm.pp.bb). This includes GA and engineering releases. Engineering releases are denoted with an _eng suffix (e.g.,

This product’s version follows a version format, M.mm.pp.bb, where M is a single digit Major number, mm is 2 digit minor number, pp is a 2 digit patch number, and b is an unrestricted set of digits used as an incrementing build counter.

To support multiple side-by-side installations of the product, the product version is encoded in the top level directory (e.g. tirtos_2_00_00_16).

Subsequent releases of patch upgrades will be identified by the patch number, ex. TI-RTOS with directory tirtos_1_00_01_68. Typically, these patches only include critical bug fixes.

Technical Support and Product Updates