The following document contains information on Cypress products. Although the document is marked with the name Broadcom, the company that originally developed the specification, Cypress will continue to offer these products to new and existing customers. CONTINUITY OF SPECIFICATIONS There is no change to this document as a result of offering the device as a Cypress product. Any changes that have been made are the result of normal document improvements and are noted in the document history page, where supported. Future revisions will occur when appropriate, and changes will be noted in a document history page. CONTINUITY OF ORDERING PART NUMBERS Cypress continues to support existing part numbers. To order these products, please use only the Ordering Part Numbers listed in this document. FOR MORE INFORMATION Please visit our website at www.cypress.com or contact your local sales office for additional information about Cypress products and services. OUR CUSTOMERS Cypress is for true innovators in companies both large and small. Our customers are smart, aggressive, out-of-the-box thinkers who design and develop game-changing products that revolutionize their industries or create new industries with products and solutions that nobody ever thought of before. ABOUT CYPRESS Founded in 1982, Cypress is the leader in advanced embedded system solutions for the worlds most innovative automotive, industrial, home automation and appliances, consumer electronics and medical products. Cypresss programmable systems-on-chip, general-purpose microcontrollers, analog ICs, wireless and USB-based connectivity solutions and reliable, high-performance memories help engineers design differentiated products and get them to market first. Cypress is committed to providing customers with the best support and engineering resources on the planet enabling innovators and out-of-the-box thinkers to disrupt markets and create new product categories in record time. To learn more, go to www.cypress.com. Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document Number: 002-14867 Rev. *D Revised July 1, 2016 Data Sheet BCM20705 Single-Chip Bluetooth Transceiver and Baseband Processor FEATURES GENERAL DESCRIPTION The Broadcom BCM20705 is a monolithic, single- Bluetooth 4.1 + EDR compliant chip, Bluetooth 4.1 compliant, stand-alone baseband Class 1 capable with built-in PA processor with an integrated 2.4 GHz transceiver. Programmable output power control meets Class Manufactured using the industry s most advanced 1, Class 2, or Class 3 requirements 65 nm CMOS low-power process, the BCM20705 Use supply voltages up to 5.5V employs the highest level of integration, eliminating Supports Broadcom SmartAudio, wide-band all critical external components, and thereby speech, SBC codec, and packet loss minimizing the devices footprint and costs associated concealment. with the implementation of Bluetooth solutions. Fractional-N synthesizer supports frequency The BCM20705 is the optimal solution for voice and references from 12 MHz to 52 MHz data applications that require a Bluetooth SIG Automatic frequency detection for standard standard Host Controller Interface (HCI) via USB, crystal and TCXO values when an external UART H4 or H5, and PCM audio interface support. 32.768 kHz reference clock is provided. The BCM20705 radio transceivers enhanced radio Ultra-low power consumption performance meets the most stringent industrial Supports serial flash interfaces temperature application requirements for compact integration into mobile handset and portable devices. Available in a 50-ball FPBGA package. The BCM20705 is fully compatible with all standard ARM7TDMI-Sbased microprocessor with TCXO frequencies and provides full radio integrated ROM and RAM compatibility, enabling it to operate simultaneously Supports mobile and PC applications without with GPS and cellular radios. external memory A USB hub APPLICATIONS Desktop and laptop personal computers Computer peripheral devices (PCMCIA cards, CF cards, and USB dongles) Personal digital assistants Automotive telematic systems Figure 1: System Block Diagram 2 PCM/I C BCM20705 USB UART/SPI High-Speed Peripheral GPIO Radio Transceiver Transport Unit (PTU) SPI Master BSC TCXO Microprocessor and Bluetooth Baseband Memory Unit (uPU) Core (BBC) LPO MCS20705-DS104-R 5300 California Avenue Irvine, CA 92617 Phone: 949-926-5000 Fax: 949-926-5203 November 13, 2014