Laird BT85 Series User Manual
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Laird BT85 Series User Manual

Bluetooth v4.2 dual-mode usb hci module
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User Guide
BT85x Series
Bluetooth v4.2 Dual-Mode USB HCI Module
Version 1.0

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Summary of Contents for Laird BT85 Series

  • Page 1 User Guide BT85x Series Bluetooth v4.2 Dual-Mode USB HCI Module Version 1.0...
  • Page 2 Datasheet EVISION ISTORY Version Date Notes Contributor Approver 07 Nov 2017 Initial Release Jacky Kuo Jonathan Kaye Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 3: Table Of Contents

    Ordering Information ..........................33 17.1. General Comments ..........................33 Bluetooth SIG Approvals......................... 33 Additional Assistance ..........................35 Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 4: Scope

    Datasheet COPE This document describes key hardware aspects of the Laird BT85x Bluetooth HCI module and Adapter . This document is mainly intended to assist device manufacturers and related parties with the integration of this module into their host devices. Data in this document are drawn from several sources including data sheets for the Cypress CYW20704A2.

  • Page 5: Block Diagram And Descriptions

    BT850 module can support UHE/HCI Proxy mode. Crystal The embedded 40 MHz crystal is used for generating the clock for the entire module. Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 6: Specifications

    Table 2: BT850 pin definitions Pin No. Pin Name Supply Domain Description If Unused Ground USB_D+ Bidirectional USB data plus Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...
  • Page 7 For to meet the pin alignment of BT800, there are several pins which must be put to NC status (No Connection). The GPIO_5 controlled by the default firmware for the status of BT850 indications. Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 8: Dc Electrical Characteristics

    EDR Maximum RF Transmit Power RF power variation over temperature range RF power variation over BT band RF power control step Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 9: Interface

    Table 8: BT GCI two-wire coexistence Coexistence Signal Name Signal Assignment Pin Number BT_SECI_IN GPIO_6 BT_SECI_OUT GPIO_7 Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 10: Usb Interface

    Figure 2 Table 9 shows PCM Timing Diagram and Specifications for the master mode of short-frame. Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...
  • Page 11 Table 10: PCM Interface timing specifications (Short-Frame Sync, Slave Mode) Ref No. Characteristics Minimum Typical Maximum Unit PCM bit clock frequency PCM bit clock LOW Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...
  • Page 12 PCM_IN hold Delay from rising edge of PCM_BCLK during last bit period to PCM_OUT becoming high impedance Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 13: Data Formatting

    In SBC-code mode, linear 16-bit data at 16 kHz (256 Kbps rate) is transferred over the PCM bus. Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 14: Multiplexed Bluetooth Over Pcm

    PCM Burst mode timing diagram and specifications for the receive-only mode of short-frame sync. Figure 7: PCM burst mode timing (Receive Only, Short Frame Sync) Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 15: S Interface

    S Word Select: I S WS S Data Out: I S SDO S Data In: I S SDI Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...
  • Page 16 Rise time t 0.15T Transmitter Delay t 0.8T Hold time t Receiver Setup time t 0.2T Hold time t Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 17: Bsc (Cypress Serial Control) Master Interface

    The BSC interface is programmed by the CPU to generate the following BSC transfer types on the bus: Read-only Write-only Combined read/write Combined write-read Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...
  • Page 18 Data input hold time Data input setup time STOP condition setup time Output valid from clock Bus free time Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 19: Antenna Performance

    YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. AT3216-B2R7HAA -2.9 -2.3 -5.4 Figure 12: Antenna return loss Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...
  • Page 20 BT85x Series Datasheet Figure 13: Antenna patterns Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 21: Mechanical Dimensions And Land Pattern

    10.1. BT850-Sx Mechanical Drawing BT850 PCB Edge Note: Dimensions are in millimeters Tolerances: ±0.03 mm ±1.3 mm Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 22: Implementation Note

    It is best that the customer tests the range with mock-up (or actual prototype) of the product to assess effects of enclosure height (and material, whether metal or plastic). Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 23: Usb Dongle Design Example Using Bt850-Sa

    11.1.2. USB Dongle Design Example Using BT850-SA Figure 15: USB dongle design schematic Figure 16: BT851 USB dongle, containing embedded BT850-SA Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 24: Application Note For Surface Mount Modules

    ODULES 12.1. Introduction Laird surface mount modules are designed to conform to all major manufacturing guidelines. This application note is intended to provide additional guidance beyond the information that is presented in the user manual. This application note is considered a living document and is updated as new information is presented.

  • Page 25: Tape And Reel Package Information

    (12,500 modules per carton). Reel, boxes, and carton are labeled with the appropriate labels. See Figure 20. Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 26: Reflow Parameters

    Figure 20: Packaging process 12.3. Reflow Parameters Laird surface mount modules are designed to be easily manufactured, including reflow soldering to a PCB. Ultimately it is the responsibility of the customer to choose the appropriate solder paste and to ensure oven temperatures during reflow meet the requirements of the solder paste.

  • Page 27: Japan (Mic) Regulatory

    Ceramic 001-0030 mFlexPIFA LAIRD PIFA 001-0014 FlexPIFA LAIRD PIFA 0600-00040 LAIRD Dipole NanoBlue MAF94045 LAIRD PCB Dipole Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 28: Fcc Regulatory

    (including the transmitter) and obtaining a separate FCC authorization. When using Laird’s FCC grant for the BT850, the integrator must include specific information in the user’s guide for the device into which the BT850 is integrated. The integrator must not provide information to the end user regarding how to install or remove this RF module in the user’s manual of...
  • Page 29 This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 30: Industry Canada Regulatory

    In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate Canada authorization. NOTE IMPORTANTE: Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...
  • Page 31 Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 32: European Union Regulatory

    Declaration: We, Laird, declare under our sole responsibility that the essential radio test suites have been carried out and that the above product to which this declaration relates is in conformity with all the applicable essential requirements of Article 3 of the EU Directive 1999/5/EC, when used for its intended purpose.

  • Page 33: Ordering Information

    Development Kit for BT850-SA Module DVK-BT850-ST Development Kit for BT850-ST Module 17.1. General Comments This is a preliminary datasheet. Please check with Laird for the latest information before commencing a design. If in doubt, ask. 18 B SIG A LUETOOTH PPROVALS 18.1.
  • Page 34 Your new Design will be listed on the SIG website and you can print your Certificate and DoC. For further information please refer to the following training material: https://www.bluetooth.org/en-us/test-qualification/qualification-overview/listing-process-updates Americas: +1-800-492-2320 Embedded Wireless Solutions Support Center: Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth © Copyright 2017 Laird. All Rights Reserved...

  • Page 35: Additional Assistance

    All specifications are subject to change without notice. Responsibility for the use and application of Laird materials or products rests with the end user since Laird and its agents cannot be aware of all potential uses. Laird makes no warranties as to non-infringement nor as to the fitness, merchantability, or sustainability of any Laird materials or products for any specific or general uses.

This manual is also suitable for:

Bt850-stBt850-sa

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