Single-Chip Bluetooth Transceiver
and Baseband Processor
The Cypress CYW20704 is a monolithic, single-chip, Bluetooth 5.0 compliant, stand-alone baseband processor with an integrated
2.4 GHz transceiver. Manufactured using the industry's most advanced 40 nm CMOS low-power process, the CYW20704 employs
the highest level of integration, eliminating all critical external components, and thereby minimizing the device’s footprint and costs
associated with the implementation of Bluetooth solutions.
The CYW20704 is the optimal solution for voice and data applications that require a Bluetooth SIG standard Host Controller Interface
(HCI) via USB, UART H4, and PCM audio interface support.
The CYW20704 transceiver’s enhanced radio performance meets the most stringent industrial temperature application requirements
for compact integration into mobile handset and portable devices. The CYW20704 provides full radio compatibility, enabling it to
operate simultaneously with GPS and cellular radios.
Cypress Numbering Scheme
Cypress is converting the acquired IoT part numbers from Broadcom to the Cypress part numbering scheme. Due to this conversion,
there is no change in form, fit, or function as a result of offering the device with Cypress part number marking. The table provides
Cypress ordering part number that matches an existing IoT part number.
Table 1. Mapping Table for Part Number between Broadcom and Cypress
Broadcom Part Number
Cypress Part Number
Note: T is for Tape and Reel; Omit T for Tray
■ Complies with Bluetooth Core Specification v5.0 with provi-
sions for supporting future specifications
■ Bluetooth Class 1 or Class 2 transmitter operation
■ Supports extended synchronous connections (eSCO), for
enhanced voice quality by allowing for retransmission of
■ Adaptive frequency hopping (AFH) for reducing radio
■ Interface support, host controller interface (HCI) using a USB
or high-speed UART interface and PCM for audio data
■ USB2.0 full-speed with LPM support (12 Mbps)
■ Supports Cypress proprietary 2 Mbps low energy mode.
■ Ultra-low power consumption
■ Supports serial flash interfaces
■ Supports mobile and PC applications without external memory
■ Available in a 49-ball FcBGA package
■ Remotes: TV/Entertainment
■ USB dongles
■ Smart metering
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-14786 Rev. *G
• San Jose, CA 95134-1709 • 408-943-2600
Revised Tuesday, October 30, 2018