Laird BT800 Series Hardware Integration Manual
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Laird BT800 Series Hardware Integration Manual

Bluetooth v4.0 dual-mode usb hci module
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Bluetooth v4.0 Dual-Mode USB HCI Module
Hardware Integration Guide
Version 1.5
BT800-ST
Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
www.lairdtech.com/bluetooth

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  • Page 1 Bluetooth v4.0 Dual-Mode USB HCI Module Hardware Integration Guide Version 1.5 BT800-ST Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...
  • Page 2 07 Oct 2014 Updated Declaration of Conformity 14 Oct 2014 Removed X +/-1.3mm references 03 Dec 2014 Updated the Power Control and Regulation section. 02 July 2015 Added Tape/Reel (T/R) information Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 3: Table Of Contents

    15.2 BT800 / BT800-ST / BT820 ......................36 16 Ordering Information .......................... 37 16.1 General Comments ........................37 17 Bluetooth SIG Approvals ........................37 17.1 Application Note: Subsystem Combinations ................... 37 17.2 Additional Assistance ........................39 Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 4: Scope

    A fully featured, low-cost developer’s kit is available for prototyping, debug, and integration testing of the BT800 series modules and further reduces risk and time in development cycles. Note: Laird also offers a BT800-ST version which is a trace pin variant of the BT800 for use with an external antenna.

  • Page 5: Block Diagram And Descriptions

    ID, and USB product description. With that, the BT800 module can support HID/HCI Proxy mode. The embedded 26 MHz crystal is used for generating the clock for the entire module. Crystal Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 6: Specifications

    -30C to +85C Environmental Storage -40C to +85C Lead Free Lead-free and RoHS compliant Miscellaneous Warranty 1 Year Bluetooth® Controller Subsystem Approved Approvals FCC / IC / CE All BT800 series (BT800; BT800-ST) Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 7: Pin Definitions

    1.8V regulator. Input VREG_OUT_HV 1.8V to second stage internal regulators. Ground Ground Ground Ground Ground Ground BT800- No connection BT800-ST – Configured as RF signal output (50 ohm) Ground Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...
  • Page 8 CO-EXIST scheme and enabling HID proxy mode. The SPI interface can also be used to put the module in RF test mode. You cannot use the module over the SPI interface for normal operation as the main host interface. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 9: Dc Electrical Characteristic

    (frequency range 100Hz to100kHz) Settling time (settling time µs within 10% of final value) Output current Quiescent current µA (excluding load, load <1mA) Low-power Mode Quiescent current µA (excluding load, load <100µA) Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 10: Rf Characteristics

    RF power variation over supply voltage range RF power variation over BT band RF power control range 20 dB band width for modulated carrier 1000 F = F 0 ± 2MHz F = F 0 ± 3MHz Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 11: Interface

     Host passing of channel instructions  The BT800 supports the WLAN coexistence schemes: Unity-3  Unity-3e  Unity+  For more information see BT800 WLAN Coexistence Schemes and LED Indication Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 12: Usb Interface

    Receives and transmits on any selection of three of the first four slots following PCM_SYNC.  The PCM configuration options are enabled by setting PSKEY_PCM_CONFIG32. 8.4.1 PCM Interface Master/Slave When configured as the master of the PCM interface, the BT800 generates PCM_CLK and PCM_SYNC. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...
  • Page 13 PCM_CLK in the LSB position or on the rising edge. 8.4.3 Short Frame Sync In Short Frame Sync, the falling edge of PCM_SYNC indicates the start of the PCM word. PCM_SYNC is always one clock cycle long. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 14: Gci Interface

    BT800 is compatible with the GCI, a standard synchronous 2B+D ISDN timing interface. The two 64 kbps B channels are accessed when this mode is configured. Figure 7: Multi-slot Operation The start of frame is indicated by the rising edge of PCM_SYNC and runs at 8 kHz. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 15: Slots And Sample Formats

    For 16-bit slots, the three or eight unused bits in each slot are filled with sign extension, padded with zeros or  a programmable 3-bit audio attenuation compatible with some codecs. Figure 8: 16-bit Slot Length and Sample Formats Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 16: Pcm Timing Information

    Delay time from PCM_CLK high to PCM_OUT dmclkhpoutz high impedance Set-up time for PCM_IN valid to PCM_CLK low supinclkl Hold time for PCM_CLK low to PCM_IN invalid hpinclkl Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 17: Pcm Slave Timing

    Figure 9: PCM Master Timing Long Frame Sync Figure 10: PCM Master Timing Short Frame Sync 8.8 PCM Slave Timing Symbol Parameter Unit PCM clock frequency (Slave mode: input) 2048 sclk PCM clock frequency (GCI mode) 4096 sclk Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 18: Pcm Slave Mode Timing Parameters

    PCM_OUT data line high impedance Set-up time for PCM_IN valid to CLK low supinsclkl Hold time for PCM_CLK low to PCM_IN invalid hpinsclkl Figure 11: PCM Slave Timing Long Frame Sync Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 19: Pcm_Clk And Pcm_Sync Generation

    Equation 8.2: Equation 8.2: PCM_SYNC Frequency Relative to PCM_CLK CNT_RATE, CNT_LIMIT and SYNC_LIMIT are set using PSKEY_PCM_LOW_JITTER_CONFIG. As an example, to generate PCM_CLK at 512kHz with PCM_SYNC at 8kHz, set SKEY_PCM_LOW_JITTER_CONFIG to 0x08080177. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 20: Pcm Configuration

    PCM Interface I²S Interface PCM_OUT SD_OUT PCM_IN SD_IN PCM_SYNC PCM_CLK Configure the digital audio interface using PSKEY_DIGITAL_AUDIO_CONFIG, see BlueCore Audio API Specification and the PS Key file. Figure 13: PCM Configuration Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...
  • Page 21 Table 16: Digital Audio Interface Master Timing Symbol Parameter Unit SCK Frequency WS Frequency Table 17: I²S Master Mode Timing Parameters, WS and SCK as Outputs Symbol Parameter Unit SCK low to WS valid delay time 39.27 Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 22: Power Control And Regulation

    For hassle environment, an output capacitor of 1µF to 4.7µF (±20%) is preferred. This regulator is enabled by default. If the USB linear regulator is not required, leave its input (VREG_IN_USB) unconnected. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 23: High-Voltage Linear Regulator

    CSR recommends that all power supplies are powered at the same time. The order of powering the supplies relative to the I/O supply, VDD_PADS to VDD_HOST, is not important. If the I/O supply is powered before VDD_DIG, all digital I/Os are weak pull-downs regardless of the reset state. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 24: Antenna Performance On Bt800

    BT800-ST Hardware Integration Guide Version 1.5 10 A BT800 NTENNA ERFORMANCE ON Figure 16 illustrates antenna performance. Figure 16: BT800 Gain Table Figure 17: Network Analyzer output Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...
  • Page 25 BT800-ST Hardware Integration Guide Version 1.5 Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 26: Mechanical Dimensions And Land Pattern

    BT800-ST Hardware Integration Guide Version 1.5 11 M ECHANICAL IMENSIONS AND ATTERN 11.1 BT800 Mechanical Drawing Note: Dimensions are in mm. Tolerances: .xx ±0.03 mm (PCB PAD) ±0.15 mm (module size) Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 27: Bt800-St Mechanical Drawing

    BT800-ST Hardware Integration Guide Version 1.5 11.2 BT800-ST Mechanical Drawing Note: Dimensions are in mm. Tolerances: .xx ±0.03 mm (PCB PAD) .x ±0.3m (PCB PAD) ±0.15 mm (module size) Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 28: 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). Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...
  • Page 29 BT800-ST Hardware Integration Guide Version 1.5 12.1.2 USB Dongle Design Example Using BT800 Figure 19: USB Dongle Design Schematic Figure 20: BT820 USB Dongle, containing embedded BT800 Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 30: Application Note For Surface Mount Modules

    ODULES 13.1 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 31: Reflow Parameters

    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. Laird’s surface mount modules conform to J- STD-020D1 standards for reflow temperatures.

  • Page 32: Tape/Reel (T/R)

    BT800-ST Hardware Integration Guide Version 1.5 13.4 Tape/Reel (T/R) Figure 23: Tape Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 33: Fcc And Ic Regulatory

    14.1 Documentation Requirements In order to ensure regulatory compliance, when integrating the BT800 into a host device, it is necessary to meet the documentation requirements set forth by the applicable regulatory agencies. The following sections (FCC, Industry Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...
  • Page 34 User’s Guide Requirements The BT800 complies with FCC Part 15 Rules for a Modular Approval. To leverage Laird’s grant, the conditions below must be met for the host device into which the BT800 is integrated: The transmitter module is not co-located with any other transmitter or antenna that is capable of ...
  • Page 35 L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/bluetooth...

  • Page 36: 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 37: Ordering Information

    BTv4.0 Dual Mode USB Dongle DVK-BT800 Development Kit for BT800 Module 16.1 General Comments This is a preliminary datasheet. Please check with Laird for the latest information before commencing a design. If in doubt, ask. 17 B SIG A LUETOOTH PPROVALS 17.1 Application Note: Subsystem Combinations...
  • Page 38 Once all the relevant sections of step 1 are finished, complete steps 2, 3, and 4 as described in the help document. 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 Laird Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 39: Additional Assistance

    All brands and product names in this publication are registered trademarks or trademarks of their respective holders. This material is preliminary Information furnished by Laird Technologies in this specification is believed to be accurate. Devices sold by Laird Technologies are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Laird Technologies makes no warranty, express, statutory, and implied or by description, regarding the information set forth herein.

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