SimpleLink™ Low Power SDK F3 Release Notes

Table of Contents


The SimpleLink™ Low Power F3 Software Development Kit (SDK) delivers components that enable engineers to develop applications on the Texas Instruments SimpleLink CC23xx family of wireless microcontrollers (MCUs). This software toolkit provides a cohesive and consistent software experience for all SimpleLink CC23xx wireless MCU users by packaging essential software components, such as a Bluetooth® Low Energy (BLE) protocol stack supporting Bluetooth, Proprietary RF examples, and TI Drivers in one easy-to-use software package along with example applications and documentation.

The SimpleLink MCU portfolio offers a single development environment that delivers flexible hardware, software, and tool options for customers developing wired and wireless applications. With 100 percent code reuse across host MCUs, Wi-Fi™, Bluetooth Low Energy, Sub-1GHz devices and more, choose the MCU or connectivity standard that fits your design. A one-time investment with the SimpleLink software development kit allows you to reuse often, opening the door to create unlimited applications. For more information, visit

This is version of the SimpleLink Low Power F3 SDK.

TI Crypto Driver Overview Support Status Additional Comment
AES-CCM Supported
AES-ECB Supported AESECB_oneStepDecrypt, AESECB_setupDecrypt not supported
AES-GCM Supported
AES-CTR Supported
AES-CBC Supported AESCBC_oneStepDecrypt, AESCBC_setupDecrypt not supported
AES-CTR-DRBG Supported
AES-CMAC Supported
SHA-256 Supported
ECDH Supported
ECIES Supported
RNG Supported
TRNG Not Supported


What’s New

Refer to the Document Overview for the individual release notes and details for starting development with each SDK component.

Operating System Support


The sample applications included in this SDK were built & tested with the IDEs and listed below:

Note: Earlier IDE/toolchain versions are not supported and compatibility with newer versions of supported IDEs is not assured.

Device Support

This SDK supports the following SimpleLink CC23xx wireless MCUs:

Development Board Support

The CC2340R5 LaunchPad™ Development Kit is recommended for evaluation of the CC2340R2, CC2340R5 and CC2340R5-Q1 devices. Software migration between these devices can be done using SysConfig.

Known Issues


This product follows a version format,, where:

Technical Support and Product Updates