This page collects software and hardware documentation related to the CYW20721 family of devices and evaluation kits. Links to AIROC™ BTSDK software API reference material, user guides, and hardware documentation can be found below.

AIROC™ API Reference

• CYW20721 API functions are logically grouped into Components.
• API function prototypes are provided in the wiced_btsdk project under the following folders:
wiced_btsdk/dev-kit/btsdk-include
wiced_btsdk/dev-kit/baselib/20721B2/include

AIROC™ User Guides

• AIROC™ HCI Control Protocol
• AIROC™ HCI Firmware Download Guide
• AIROC™ Over-the-Air Firmware Upgrade Library
• AIROC™ Secure OTA Firmware Upgrade App Note
• AIROC™ Application Buffer Pools App Note
• AIROC™ CYW20XXX and CYW43012 Application Memory App Note
• AIROC™ Hardware Debugging for Bluetooth® SoC Kits
• Manufacturing Bluetooth® Test Tool
• MeshClient and ClientControlMesh User Guide

AIROC™ Hardware Reference

• CYW20721

AIROC™ Website

Further information about AIROC™ is available on the AIROC™ Website.
The website provides essential information to get started with AIROC™ including:

• A summary of the latest software features and supported hardware
• A list of trusted partners supplying AIROC™ development hardware and connectivity solutions
• A list of Frequently Asked Questions
• Downloads for the latest versions of ModusToolbox™ and the AIROC™ BTSDK and related documentation

Bluetooth® References

• GATT Specification

AIROC™ Community

General AIROC™ technical support is available on the Support Community forum.

AIROC™ BTSDK Licensing Information

AIROC™ BTSDK includes various Infineon copyright and third party software components.
The license agreement is available for review here.