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Cypress Semiconductor Electronic Components Datasheet

CYW20705 Datasheet

Single-Chip Bluetooth Transceiver and Baseband Processor

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CYW20705
Single-Chip Bluetooth Transceiver and
Baseband Processor
The Cypress CYW20705 is a monolithic, single-chip, Bluetooth 4.1 compliant, stand-alone baseband processor with an integrated
2.4 GHz transceiver. Manufactured using the industry's most advanced 65 nm CMOS low-power process, the CYW20705 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 CYW20705 is the optimal solution for voice and data applications that require a Bluetooth SIG standard Host Controller Interface
(HCI) via USB, UART H4 or H5, and PCM audio interface support. The CYW20705 radio transceiver’s enhanced radio performance
meets the most stringent industrial temperature application requirements for compact integration into mobile handset and portable
devices. The CYW20705 is fully compatible with all standard TCXO frequencies and provides full radio compatibility, enabling it to
operate simultaneously with GPS and cellular radios.
Cypress Part 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
BCM20705
BCM20705A1KWFBG
BCM20705B0KWFBG
Cypress Part Number
CYW20705
CYW20705A1KWFBG
CYW20705B0KWFBG
Acronyms and Abbreviations
In most cases, acronyms and abbreviations are defined on first use.
For a comprehensive list of acronyms and other terms used in Cypress documents, go to:
http://www.cypress.com/glossary
Features
Bluetooth 4.1 + EDR compliant
Class 1 capable with built-in PA
Programmable output power control meets Class 1, Class 2,
or Class 3 requirements
Use supply voltages up to 5.5V
Supports Cypress SmartAudio™, wide-band speech, SBC
codec, and packet loss concealment.
Fractional-N synthesizer supports frequency references from
12 MHz to 52 MHz
Appliactions
Automatic frequency detection for standard crystal and TCXO
values when an external 32.768 kHz reference clock is
provided.
Ultra-low power consumption
Supports serial flash interfaces
Available in a 50-ball FPBGA package.
ARM7TDMI-S™–based microprocessor with integrated ROM
and RAM
Supports mobile and PC applications without external memory
A USB hub
Desktop and laptop personal computers
Computer peripheral devices (PCMCIA cards, CF cards, and USB dongles)
Personal digital assistants
Automotive telematic systems
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 002-14867 Rev. *F
• San Jose, CA 95134-1709 • 408-943-2600
Revised Thursday, November 9, 2017


Cypress Semiconductor Electronic Components Datasheet

CYW20705 Datasheet

Single-Chip Bluetooth Transceiver and Baseband Processor

No Preview Available !

PCM/I2C
USB
UART/SPI
GPIO
SPI Master
BSC
TCXO
LPO
Figure 1. System Block Diagram
CYW20705
HighSpeed Peripheral 
Transport Unit (PTU)
Radio Transceiver
Microprocessor and 
Memory Unit (uPU)
Bluetooth Baseband 
Core (BBC)
CYW20705
IoT Resources
Cypress provides a wealth of data at http://www.cypress.com/internet-things-iot to help you to select the right IoT device for your
design, and quickly and effectively integrate the device into your design. Cypress provides customer access to a wide range of
information, including technical documentation, schematic diagrams, product bill of materials, PCB layout information, and software
updates. Customers can acquire technical documentation and software from the Cypress Support Community website
(http://community.cypress.com/).
Document Number: 002-14867 Rev. *F
Page 2 of 51


Part Number CYW20705
Description Single-Chip Bluetooth Transceiver and Baseband Processor
Maker Cypress Semiconductor
Total Page 30 Pages
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