CYW20721B2 Product Guide

This document introduces the CYW20721B2 ultra-low power dual-mode (BLE/BR/EDR) Bluetooth® 5.0 wireless MCU device for Audio by exploring both the CYW20721 architecture along with the development tools to write applications using ModusToolbox™ Software.  This document lists the available resources which can be used to accelerate development and in-depth learning with the device.





CYW20721B2 Datasheet (Preliminary)

Contact Cypress sales to get access.


Design Guides and Evaluation Tools

CYW920721B2EVK-01 Evaluation Kit

The Cypress CYW920721B2EVK-01 Evaluation Kit enables you to evaluate and develop Bluetooth and Bluetooth Low Energy (BLE) audio applications using the CYW20721B2. The CYW20721B2EVK-01 features a 40-QFN CYW20721B2 device with external Power Amplifier (ePA), an on-board programmer, and an audio Arduino shield.


The CYW920721B2EVK-01 Evaluation Kit has limited availability. Contact Cypress sales to gain access to this kit.


Software Development Kit and ModusToolbox IDE Application Notes

WICED Manufacturing Bluetooth Test Tool



WICED Application Buffer Pools

WICED Firmware Upgrade Library

Hardware Debugging for WICED devices

WICED HCI Control Protocol

WICED HID Device Library

WICED Secure Over-the-Air Firmware Upgrade



ModusToolbox BT SDK


Explore ModusToolbox BT SDK Code Examples