Laird BT900-SA-0x Hardware Integration Manual
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Laird BT900-SA-0x Hardware Integration Manual

Intelligent btv4.0 dual-mode module
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Intelligent BTv4.0 Dual-Mode
Module
Part # BT900-SA-0x, BT900-SC-0x
H
I
G
ARDWARE
NTEGRATION
UIDE
V
1.6
ERSION
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth

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Summary of Contents for Laird BT900-SA-0x

  • Page 1 Intelligent BTv4.0 Dual-Mode Module Part # BT900-SA-0x, BT900-SC-0x ARDWARE NTEGRATION UIDE ERSION Americas: +1-800-492-2320 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 Embedded Wireless Solutions Support Center: http://ews-support.lairdtech.com www.lairdtech.com/bluetooth...

  • Page 2: Revision History

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module EVISION ISTORY Version Revision Date Change History Approved By Initial Version Jonathan Kaye 13 Feb 2015 Added system clock and tick count period table. Jonathan Kaye Edits to clarify OTA app download works over 24 Feb 2015 Jonathan Kaye VSP (command mode)

  • Page 3: Table Of Contents

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module ONTENTS Revision History ............................2 Contents ............................... 3 Overview and Key Features ........................5 Specification ............................6 Specification Summary ........................6 Hardware Specifications ........................8 Block Diagram and Pin-out ......................8 Pin Definitions ..........................
  • Page 4 12.1 BT900-SA / BT900-SC ........................42 13 Ordering Information ......................... 43 14 Bluetooth SIG Qualification ........................ 43 14.1 Qualification Steps When Using a Laird Controller Subsystem Design ........... 44 15 Additional Assistance .......................... 44 Embedded Wireless Solutions Support Center: Americas: +1-800-492-2320 Europe: +44-1628-858-940 http://ews-support.lairdtech.com...

  • Page 5: Overview And Key Features

    VERVIEW AND EATURES BT900 Series modules from Laird Technologies make it easy to add Classic BT and Bluetooth Low Energy (BLE) functionality to small, portable, power-conscious devices, including those powered by batteries. The fully approved, programmable modules feature Laird’s innovative, event-driven...

  • Page 6: Specification

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module PECIFICATION 2.1 Specification Summary Table 1: Specifications Categories Feature Implementation Bluetooth® V4.0 – Dual-Mode Frequency 2.402 - 2.480 GHz + 8 dBm (maximum) Transmit Power Wireless Configurable down to -20 dBm Specification Receive Sensitivity -90 dBm (typical)
  • Page 7 BASIC runtime engine FW, but does not come loaded smart with any BASIC application script (as that is dependent on customer end application or use). Laird provides many sample smart BASIC applications covering the services listed. Embedded Wireless Solutions Support Center:...

  • Page 8: Hardware Specifications

    BASIC runtime engine FW v9. ARDWARE PECIFICATIONS 3.1 Block Diagram and Pin-out 47 connection pads User smartBASIC Application Non-Vol UART GPIO/PWM File System Example App PRINT "Laird BT900 Module" WaitEvent smartBASIC Flash Apps 32.768Khz ARM Cortex M3 Crystal running smartBASIC smartBASIC Serial Flash...

  • Page 9: Pin Definitions

    Funct. Funct. Direction Domain down State SIO_3 1, 2, 6, UART_CTS UART or WKUP4 or Pull-up 7, 12 Ext Interrupt Laird Devkit: SIO_4 UART_DTR Pull-up via CON12 Laird Devkit: SIO_22 or Ext ONLY nAutoRUN Pull-up UART_DSR Interrupt via CON12 1, 2, 12...
  • Page 10 MOSI and CLK SPI MOSI 1, 2, 6, are outputs when SIO_7 Pull Up in SPI master mode. See Note 9 Laird Devkit: SIO_8 Ext Interrupt Pull Up 1, 2, 12 UART_RI via CON12 SPI CLK 1, 2, 6, SIO_9...
  • Page 11 Alternate Default Supply up or Pull- Notes Comment Name Funct. Funct. Direction Domain down State Laird Devkit: 1, 2, 3, SIO_21 AIN (ADC00) Pull Up Temp Sensor input via CON14 AVCC 1.7V-3.6V Table 4 Reserved for future use. Do NOT connect.
  • Page 12 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Internal Pull- Default Alternate Default Supply up or Pull- Notes Comment Name Funct. Funct. Direction Domain down State smar Note 1: Alternate function is selectable in the tBASIC application. Note 2: DIO –...

  • Page 13: Electrical Specifications

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Note 15: smart BASIC runtime engine firmware (9.2.1.0) has DIO (default function) input pins that are smart PULL-UP enabled by default. You can disable internal PULL_UP through your BASIC application script All the SIO pins (with a default function of DIO) are mostly inputs (unless stated otherwise in Table 2) –...

  • Page 14: Recommended Operating Parameters

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module current value flowing through all of the corresponding pins for a 100mS period. The maximum output current is defined as the value of the peak current flowing through any one of the corresponding pins. Table 3: Maximum Current Ratings Parameter Unit...
  • Page 15 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module seconds; start-up time is the time taken from power-up to being able to run a smart BASIC command. Most of this is for radio initialisation. 1.6 seconds is also the time when coming out of reset through AT command (atz) or AT command for factory default (at&f*).
  • Page 16 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Parameter Unit 1.8V ≥ AVCC < 2.7V 5.5-10.5 kOhm ADC input capacitance impedance (during operation) Note 1: ADC input impedance is estimated mean impedance of the ADC (AIN) pins. The ADC is highly sensitive to the impedance of the source.

  • Page 17: Nautorun Pin And Operating Modes

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Normal Operation Unit Weak pull-up -1.0 -0.33 µA Weak pull-down 0.33 µA CI input capacitance This table applies to those BT900 pins ONLY with names beginning with BT_Ext_DS_CLK (pin 34) BT_ACTIVE (pin 39) ...

  • Page 18: Power Consumption

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Enter VSP Command mode by externally pulling SIO_19 pin to GND at power-up. OTA functionality is enabled through VSP Command mode. OWER ONSUMPTION The BT900 module has User configurable clocking (40MHz, 20MHz, 4MHz), so user can reduce current consumption at expense of speed.
  • Page 19 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Parameter At 40 MHz At 20 MHz At 4 MHz Unit Active Mode Average Current (Note Advertising Average Current Draw Max with adv. interval (min) 20 mS Min with adv. interval (max) 10240 mS Connection Average Current Draw Max, with conn.

  • Page 20: Functional Description

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Other factors that are also related to average current consumption include the advertising payload bytes in each advertising packet, as well as whether the BT900 is continuously advertising or periodically advertising. Connection Interval range: ...

  • Page 21: Clocks And Timers

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module 5.2 Clocks and Timers 5.2.1 Clocks The integrated high accuracy (+/-20 ppm) 32.768 kHz crystal oscillator provides protocol timing and helps with radio power consumption in the system Standby Doze/Deep sleep modes by reducing the time that the RX window must be open.

  • Page 22: Uart Interface

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module 5.5 UART Interface The Universal Asynchronous Receiver/Transmitter (UART) offers fast, full-duplex, asynchronous serial communication with built-in flow control support (UART_CTS, UART_RTS) in hardware up to 2 Mbps baud. No parity checking, 8 data bits, and 1 stop bit are supported. UART_TX, UART_RX, UART_RTS, and UART_CTS form a conventional asynchronous serial data port with handshaking.

  • Page 23: Spi Bus

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module 5.6 SPI Bus smart The SPI interface is an alternate function on SIO pins, configurable by BASIC. The module is a master device that uses terminals SPI_MOSI, SPI_MISO, and SPI_CLK. SPI_CSB is implemented using any spare SIO digital output pins to allow for multi-dropping.

  • Page 24: Nreset Pin

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module The BT900 provides access to 2-channel 12-bit incremental ADC. This enables sampling multiple external signals through a front end MUX. The ADC has configurable input. smart Note: Current BASIC runtime engine firmware (v9.1.2.0) provides access to 12-bit mode resolution. 5.8.2.1 Analog Interface (ADC) Table 14: Analog interface...

  • Page 25: Wake-Up Bt900

    Intelligent BTv4.0 Dual Mode Module smart To allow customer the capability to upgrade the BT900 BASIC runtime engine FW to the latest version smart released from Laird), the current BASIC runtime engine firmware (v9.x.y.z) only allows this upgrade via the UART. Wake-up BT900 5.12 5.12.1 Waking up BT900 from Host...

  • Page 26: Hardware Integration Suggestions

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Peak gain Avg. gain XY-plane -2.6 -7.4 Peak gain Avg. gain XZ-plane -2.8 -5.9 Peak gain Avg. gain YZ-plane -1.6 -4.7 ARDWARE NTEGRATION UGGESTIONS 6.1 Circuit The BT900-series module is easy to integrate and requires few external components on your board aside from what is required for development and in the end application.
  • Page 27 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Add decoupling capacitors for filtering the external source. The power-on reset circuitry within BT900 series module incorporates brown-out detector, which simplifies the power supply design. Upon application of power, the internal power-on reset ensures that the module starts correctly. You may add a bulk capacitor (if required) to smooth out any noise that may be present on the VCC supply due to BT900 activity.

  • Page 28: Pcb Layout On Host Pcb - General

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module SIO pin direction  smart For BT900 modules shipped from production with BASIC runtime engine firmware, most SIO pins (with a default function of DIO) are digital inputs (see Table 2). Remember to change the direction SIO smart pin (in your BASIC application script) if that particular pin is wired to a device that expects to be...

  • Page 29: Antenna Keep-Out And Proximity To Metal Or Plastic

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module area is ~5.18 mm wide, 31.7 mm long; with PCB dielectric height 0.6 mm sitting under the BT900-SA antenna. A different host PCB thickness dielectric will have small effect on antenna. ...

  • Page 30: Mechanical Details

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module S181FL-L-RMM-2450S Nearson Dipole uFL Note 1 BT900-SC MAF94045 Laird PCB Dipole uFL Note 1 BT900-SC MAF94017 Laird Dipole BT900-SC MAF94019 Laird Dipole BT900-SC ECHANICAL ETAILS 7.1 BT900 Mechanical Details Figure 5: BT900 Mechanical drawings Development Kit Schematics can be found in the documentation tab of the BT900 product page: http://www.lairdtech.com/products/bt900-series/...

  • Page 31: Host Pcb Land Pattern And Antenna Keep-Out For Bt900-Sa

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module 7.2 Host PCB Land Pattern and Antenna Keep-out for BT900-SA Figure 6: Host PCB - Top View Dimensions in mm. OTES Ensure there is no copper in the antenna ‘keep out area’ on any layers of the host PCB. Also keep all mounting hardware or any metal clear (Refer to 6.3.2) on of the area to reduce effects of proximity detuning the antenna and to help antenna radiate properly.

  • Page 32: Application Note For Surface Mount Modules

    ODULES 8.1 Introduction Laird‘s 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 Guide. This application note is considered a living document and is updated as new information is presented.

  • Page 33: Tape And Reel Package Information

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module 8.2.2 Tape and Reel Package Information Note: Ordering information for Tape and Reel packaging is an addition of T/R to the end of the full module part number. For example, BT900-SC-0x becomes BT900-SC-0x-T/R. Figure 8: Reel specifications Embedded Wireless Solutions Support Center: Americas: +1-800-492-2320...
  • Page 34 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module Figure 9: Tape specifications Embedded Wireless Solutions Support Center: Americas: +1-800-492-2320 Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth...
  • Page 35 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module There are 600 BT900 modules taped in a reel (and packaged in a pizza box) and four boxes per carton (2400 modules per carton). Reel, boxes, and carton are labeled with the appropriate labels. See following images (Figures 11-18).

  • Page 36: Reflow Parameters

    13 days 9 days 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. Laird surface mount modules conform to J-STD-020D1 standards for reflow temperatures.

  • Page 37: Fcc And Ic Regulatory Statements

    The BT900-SA and BT900-SC hold full modular approvals. The OEM must follow the regulatory guidelines and warnings listed below to inherit the modular approval. PART # FORM FACTOR TX OUTPUT ANTENNA BT900-SA-0X Surface Mount 8 dBm Ceramic BT900-SC-0X Surface Mount 8 dBm u.FL...

  • Page 38: Power Exposure Information

    CAUTION: The OEM should have their device which incorporates the BT900 tested by a qualified test house to verify compliance with FCC Part 15 Subpart B limits for unintentional radiators. CAUTION: Any changes or modifications not expressly approved by Laird could void the user’s authority to operate the equipment.
  • Page 39 BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module FCC Warning: “THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES AND INDUSTRY CANADA LICENSE-EXEMPT RSS STANDARD(S). OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.

  • Page 40: Japan (Mic) Regulatory

    Item Part Number Mfg. Type Gain (dBi) Model AT3216-B2R7HAA Ceramic BT900-SA S181FL-L-RMM-2450S Nearson Dipole BT900-SC MAF94045 Laird PCB Dipole BT900-SC MAF94017 Laird Dipole BT900-SC MAF94019 Laird Dipole BT900-SC Embedded Wireless Solutions Support Center: Americas: +1-800-492-2320 Europe: +44-1628-858-940 http://ews-support.lairdtech.com Hong Kong: +852 2923 0610 www.lairdtech.com/bluetooth...

  • Page 41: Ce Regulatory

    BT900-SC module was tested with a 2.21 dBi antenna. The OEM can operate the BT900-SC module with any other type of antenna but must ensure that the gain does not exceed 2.21 dBi to maintain the Laird approval. The OEM should consult with a qualified test house before entering their device into an EU member country to make sure all regulatory requirements have been met for their complete device.

  • Page 42: Eu Declarations Of Conformity

    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 43: Ordering Information

    The BT900 module is listed on the Bluetooth SIG website as a qualified Controller Subsystem. Laird’s Controller Subsystem is then combined with the StoneStreet One Bluetopia ost and Profile subsystems to create the complete Bluetooth SIG qualification, in the steps listed in this application note.

  • Page 44: Qualification Steps When Using A Laird Controller Subsystem Design

    BT900-Sx Hardware Integration Guide Intelligent BTv4.0 Dual Mode Module 14.1 Qualification Steps When Using a Laird Controller Subsystem Design To qualify your product when referencing a Laird Controller Subsystem design, follow these steps: To start a listing, go to: https://www.bluetooth.org/tpg/QLI_SDoc.cfm Note: A user name and password are required to access this site.
  • Page 45 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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