Data Sheet
Contents
1. Laird TECHNOLOGIES p Innovative Technology for a Connected World Laird Audio Development Kit ADK User Manual Part DVK BTM51 1 Applicable to the following Bluetooth module part numbers BIM511 Revision 07 and later global local Americas 1 800 492 2320 Option 3 Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Laird TECHNOLOGIES gt CONTENTS Laird Audio Development Kit ADK secacisscesiecactnainsd ensosaclnanlatcnadatssscncusatnetd dcaadaceduebedisaatanectantiostencooaseenedeeatans 3 E OVEN EN e er rene renee E teenie re 3 WIG CUO a2 ace E EE A E PE PEA E IE E T E OEI E T E E E EE 3 PA IESE O e E R E E A S E T 3 2 ADK Main Development Board cccccsscccccesseeeceeeeeeeceeeeeeceaeeeeseuseeeseaseeessaueeeeseaseeessaseeessageeeessags 4 3 Getting to know the Development Board ccccccccsssseceeceseeseceecesesseeeeceeaaeeeeeeeeaseeeeeesaaeeeeeessaseeees 4 A PONP UDI ee A E EEE E ne ee eee eee 5 5 US5SB R52325erlal Interface serrr ERER ERE 6 e OT E E E ba tase see banana 7 T 88 Ge Ses 1c 9r ON Rtn ene ete ee an ne E ee ee ene ne eee eee eee 8 7 1 RLE A EE E E AE A EEEE A A AEA AS 8 7 2 PCV 2S aep cesoe sess eens 9 7 3 Differential input J12 on ADK labeled DIFFIN nnnessnnnnsseennssssennsssrerssssrerssseeresssreresssreresssreressereesssseeres 9 7 4 SPI Interface J16 on ADK labeled SPI oo eccceccseccceccescceeeseeuceceseeuseenseuses2. Introduction The Laird ADK is designed to support the rapid development of applications and software for the specific Laird Bluetooth module part number BTM511 More information regarding this product including a detailed module User s Manual is available trom the following link http Awww lairdtech com Products Wireless M2M and Telematics Solutions Bluetooth Module Package Contents All kits contain the following items Development Board The motherboard has the BTM511 module already soldered onto it and exposes all the various hardware interfaces available USB cable The USB cable is one option for providing power for the ADK via the on board Type A to Type B connector The cable also provides serial communications via a FTDI USB RS232 converter chip 3 5mm Audio cable The audio cable is one option for connecting one of the Line in MIC Speaker ports to an external media device with 3 5mm audio jack socket Web link Card Provides links to additional information including the BTM511 User Manual terminal utilities schematics quick start guides and firmware release notes Americas 1 800 492 2320 Option 3 3 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless ird La TECHNOLOGIES gt 2 ADK MAIN DEVELOPMENT BOARD The development board allows the Laird Bluetooth module to connect to a PC The development board provides USB to Virtual COM port conv
3. 2 1 EDR Frequency 2 402 2 480 GHz Max Transmit Power Class 2 AdBm at antenna pad BTM510 AdBmi from integrated antenna BTM511 Receive Sensitivity Better than 86dBm Range 30 meters Data Rates Up to 3Mbps over the air UART Data Transfer Rate Greater than 300 Kbps Host Interface UART Supports DTR DSR DCD and RI multiplexed with other functionality Audio Intentaces renee alee eure DR Stereo Speaker Microphone Stereo microphone input DSP Profiles Supply Voltage Integrated Kalimba DSP Supply 32bit 64MIPS SPP Serial Port Profile HSP HFP Audio Gateway and Handset A2DP Source and Sink AVRCP Target and Controller 3 0V 3 6V DC Power Consumption Coexistence I O Current Consumption 802 11 Wi Fi LIN 3 6V DC Operational Less than 70 mA including speaker amplifiers Idle sleep lt 1 0mA 2 wire and 3 wire schemes supported Compatibility Connections External Antenna Connection via SMT pad BTM510 Internal Antenna Multilayer ceramic antenna BTM511 Programming API AT Command Set extended for audio and headset functions Physical EE 14 0mm x 20 0mm x 3 4mm integrated antenna BTM510 14 0mm x 25 0mm x 3 4mm integrated antenna BTM511 Environmental Operating Temperature 30 C to 70 C Storage Temperature 40 C to 85 C Miscellaneous Lead free Lead free and RoHS compliant Warranty 1 Year De
4. MODULE_RX USB_RTS gt MODULE_CTS USB_DTR gt GPIO_3 DSR VV BIM51x USB_RX MODULE_TX x O Clee factory default USB CTS MODULE RTS configuration USB DSR GPIO_8 DTR USB DCD GPIO_2 DCD USB _GPIO 4 RI GPIO_4 RI Figure 3 USB to UART Interface Americas 1 800 492 2320 Option 3 6 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Laird TECHNOLOGIES 6 SOFTWARE The development board connects the BTM511 module to a virtual COM port of a PC or other device From a PC you can communicate with the module using any Terminal Emulator software such as HyperTerminal Procomm or the supplied EZURIO Laird Terminal application EZURIO Laird Terminal is a terminal emulation application capable of running on Windows 98 Me 2000 XP Windows 7 and Windows 8 operating systems It was developed specifically to aid development and testing of Laird modules It allows connection to serial devices using any combination of the communications parameters listed in Table 1 Table 1 Communication Parameters COM Port 1 to 255 Baud rate 300 to 921600 Parity None Odd Even Data Bits 7ors Stop Bits 1 or 2 Handshaking None or CTS RTS The benefits of using EZURiO Laird Terminal include Continually displayed status of DSR CTS DCD and RI Direct control of DTR on the host PC via a check box Direct control of RTS Sending of BREAK signals Scr
5. not attempt to use any other power source for the development kit when operating in this mode Note This is not relevant for modules with a UART interface Americas 1 800 492 2320 Option 3 12 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Laird TECHNOLOGIES gt 9 ADDITIONAL DOCUMENTATION Laird offers a variety of documentation and ancillary information to support our customers through the initial evaluation process and ultimately into mass production Additional documentation includes BTM511 Class 2 Audio Multimedia Module Datasheet BTM510 511 User Manual Firmware Release Notes BTM510 511 to v18 1 x x ADK Audio Development Kit Schematics BT TM511 ADK Quick Start Guide A2DP amp AVRCP B M511 ADK Quick Start Guide HFP BT TM511 ADK Quick Start Guide SPP For any additional question or queries or to receive local technical support for the ADK or BTM511 module please contact wirelessinfo lairdtech com APN_06008 1 _v2_ADK Copyright 2012 Laird Technologies Inc All rights reserved The information contained in this manual and the accompanying software programs are copyrighted and all rights are reserved by Laird Technologies Inc Laird Technologies Inc reserves the right to make periodic modifications of this product without obligation to notify any person or entity of such revision C
6. 52 2923 0610 www lairdtech com wireless Laird Technologies Laird TECHNOLOGIES gt 7 2 PCM 12S The development board provides for a PCM 12S interface for the BTM511 The pins provide the developer with access to the module s I2S or PCM lines as well as providing power for additional audio hardware to be developed I2S signals are mapped to the PCM pins of BTM51x as outlined in this table Table 3 BTM5 1x pins and 12S Signals SD_IN PCM_IN 3 5 I2S Serial data in SD_OUT PCM_OUT 4 7 I2S Serial data out WS PCM_SYNC 5 6 I2S Word select right left ch SCK PCM_CLK 6 4 I2S clock GND 1 2 3 4 9 22 13 47 10 GND Note For backward compatibility reasons remaining pins of J18 are connected to signals that are not directly related to PCM I2S functions 7 3 Differential input J12 on ADK labeled DIFF_IN If the audio input should be driven by a differential audio source rather than a single ended signal J12 allows connecting non inverted P and inverted N signal of the source to BTM511 as well as AGND analogue GND for left and for right channel In addition SW7 and SW8 must be set to middle position DIFF Differential signals provide better audio quality due to better noise immunity 7 4 SPI Interface J16 on ADK labeled SPI This interface is only utilized for Laird s internal use and production testing We do not recommend that the OEM use these pins Note J14 J13 labelled SPIVVCC a
7. al UART lines on J19 Please see notes on J8 J16 SPI INTERNAL USE ONLY J17 J17 Place a jumper on left hand side and middle pins to set VDDIO to 3 3 V 3V3 1V8 Place a jumper on middle and right hand side pins to set VDDIO to 1 8 V J18 PCM 12S Please see the PCM 12S section J19 J19 Through hole plated UART interface modem control lines for use when direct access to the UART pins from an external microcontroller is required UART pins supported on J19 are DCD DTR DSR and RI Additional UART lines on J15 Please see notes on J8 J20 USB_D USB_D USB access can be provided to allow a direct USB connection to a Bluetooth HCI module Note If this is done and the unit is connected to a USB host port it will be powered from that same port Do not attempt to use any other power source for the development kit when operating in this mode This is not relevant for modules with a UART interface J21 J21 Do not close J21 by placing a jumper J21 is not fitted by default to prevent a short circuit caused by accidentally closing the headers with a jumper Full details are available in Section 8 1 Americas 1 800 492 2320 Option 3 11 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Laird TECHNOLOGIES gt 7 8 SW Switches SW 1 DC USB Switch to select power input from DC jack or USB connector SW7 Left LINE Control the input source from Line input Differential inp
8. e low power Bluetooth modules designed for adding robust audio and voice capabilities Based on the market leading Cambridge Silicon Radio BCO5 chipset these modules provide exceptionally low power consumption with outstanding range Supporting the latest Bluetooth Version 2 1 EDR specification these modules provide the important advantage of secure simple pairing that improves security and enhances easy use At only 14mm x 20mm for the BTM510 and 14mm x 25mm for the BTM511 the compact size of the modules makes them ideal for battery powered or headset form factor audio and voice devices With a 16 bit stereo codec and microphone inputs to support both stereo and mono applications these modules also contain a full integrated Bluetooth qualitied stack along with SPP HFP 1 5 HSP AVRCP and A2DP profiles Customers using these modules may list and promote their products tree of charge on the Bluetooth website The BTM510 511 modules include an embedded 32 bit 64 MIPS DSP core within the BCO5 This allows designers to add significant product enhancements including features such as echo cancellation noise reduction and audio enhancement using additional soft codecs The availability of the 16MB of flash memory in the module allows complex functionality to be included DSP routines can be licensed through a number of specialist partners To speed product development and integration Laird Technologies has developed a comprehensive AT command
9. eeuseueceuseseeeseeneeuseeeeeseeeeeusesueesees 9 7 5 Audio Connectors Labeled LINE_In MIC_IN and STEREO_OUT se esessssssssssssssssssssssssssssssssssssssessseeseaseeaags 9 70 US BUTTONS cessassion ansen AE O scant sdesaatanestasnandessoausatsissa danaiacatieencedeneuies 10 7 7 Board Configuration JUMpPETS gene nn ete ie ea ree ne E EEEE 10 TO SWN S WHCN SS ecer EEEE E E E a EEEE 12 S OC Fea O e E E E E E Aabeck dou sacbanegeuesonectoceoss 12 8 1 Power Consumption Measurement ssssssessessersrresessrssresrrssesseosersresseoseoseesrrereesesseesrrereeseoseesereseeseeseeseee 12 8 2 RS PRC SS E E E pe E EA E E A E EA E E A E teegnata 12 ee Addon DO CUS AO oses E E eect reteset 13 Americas 1 800 492 2320 Option 3 2 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless _ Laird TECHNOLOGIES gt LAIRD AUDIO DEVELOPMENT KIT ADK Part DVK BTM511 Applicable to the following Bluetooth module part numbers BTM511 Revision 07 onwards 1 OVERVIEW Laird s Audio Development Kit ADK provides a platform for rapid wireless connectivity prototyping providing multiple options for the development of Bluetooth stereo and mono audio applications This manual is for Rev 01 of the development PCB and relates to BTM511 DVK V04 on the PCB itself The complete functionality of the ADK hardware requires the use of Laird BTM511 firmware revision 07 firmware v18 1 3 0 or greater
10. ersion through a FTDI chip Any Windows PC XP or later auto installs the necessary drivers if your PC cannot locate the drivers you can download them trom http Awww ftdichip com FTDrivers htm 3 GETTING TO KNOW THE DEVELOPMENT BOARD SW 7 Left Channel Input SW8 Right Channel Input RS232 Differential Input BTN511 DVK N04 i amp USB ait JN i LE B Line DIFF IN i M ME a put 18 det i i ENT i r neie Ee al Y a S ul nf TT e E DC Jack DC 7 E GPIO 5 m GPIO e ac p ni Jis Gl Speaker f Of Oof pl lee c si Ll TECHNOLOGIES Laird ird j a z r 23 SS SPI g Figure 1 Main ADK Board Reset PCM I2S SPI Americas 1 800 492 2320 Option 3 4 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Laird TECHNOLOGIES gt 4 POWER SUPPLY Input Voltage 4 5V 5V DSV The development board has two options for providing power to the module 5V power from a USB port Power from an external mains power block via a 2 0 mm DC connector The developer kit includes a USB cable to provide power to the development board It should be plugged into a PC USB port a USB hub or a mains adaptor with a USB output If a hub is used it should be a powered USB hub to ensure that sufficient current is available at the port being used The BTM511 module can be driven by the current available a
11. from time to time a copy of which will be furnished upon request gn 2010 Laird Technologies Inc All Rights Reserved Laird Laird Technologies the Laird Technologies Logo and other marks are trade marks or registered trade marks o Laird Technologies Inc or an affiliate company thereof Other product or service names may be the property of third parties Nothing herein provides a license under any Laird Technologies or any third party intellectual property rights
12. ge drop on 3 3 V across 0 25 ohm to measure the current for the BTM511 module when open Place a jumper on the middle and left side pins for 3 3 V operation Place a jumper on the middle and right side pins for 1 8 V operation INTERNAL USE ONLY Default state is J8 open no jumper for use with USB power and on board FTDI Alternatively the UART interface on the BTM511 module can be driven from external microcontroller instead of the on board FTDI FT232R chip U3 by powering the DVK via DC jack and setting SW1 Figure 2 to DC At a minimum RX TX RTS CTS and GND need to be connected J15 for this use case Place a Jumper on the middle and left side pins to set audio amplifier enabled pin to 3 3 V Place a jumper on the middle and right side pins to set audio amplifier to be controlled by GPIO 7 Note This second option is not implemented in current firmware version 18 1 3 0 Place jumper across J10 J11 closed to select audio amplifier gain as listed on silkscreen table below J11 Place jumper across J10 J11 closed to select audio amplifier gain as listed on silkscreen table below J11 Differential stereo audio input 10 Laird Technologies Laird TECHNOLOGIES J13 J13 INTERNAL USE ONLY J14 N A INTERNAL USE ONLY J15 J15 Through hole plated UART interface for use when direct access to the UART pins from an external microcontroller UART pins supported on J15 are GND RTS NC RXD TXD CTS Addition
13. interface that simplifies application development including support for audio and headset functionality Combined with a low cost development kit Laird Technologies Bluetooth modules provide faster time to market FEATURES rons e Fully featured Bluetooth multimedia chipset Comprehensive AT interface for e Bluetooth v2 1 EDR simple programming e Supports mono and stereo e Bluetooth End product qualified headset applications e Compact size e Adaptive frequency hopping to cope with Class 2 output 4dBm interference from other wireless devices e Low power operation e 32bit Kalimba DSP for enhanced e Wi Fi co existence hardware support audio applications e Support for secure simple pairing APPLICATION AREAS e External or internal antenna options e High quality stereo headsets HSP HFP A2DP and AVRCP audio profiles e Mono voice headsets 16 bit stereo codec and microphone input Hands free devices e Integrated audio amplifiers for driving e Wireless audio cable replacement stereo speaker e MP3 and music players e Phone accessories e VoIP products Cordless headsets Aftermarket automotive applications global local USA 1 800 492 2320 Europe 44 1628 858 940 Asia 852 2268 6567 wirelessinfo lairdtech com www lairdtech com wireless Laird TECHNOLOGIES D Innovative Technology for a Connected World Bluetooth Audio Modules BIM510 511 Wireless Specification Bluetooth Version
14. ipts can be run to assist Additional built in features accelerate development Laird includes a Data Transfer Test mode allowing data to be sent as fast as the handshaking permits This feature is useful for testing the bit transfer rate of a Bluetooth connection The EZURIO Laird Terminal application can be downloaded trom our website http www lairdtech com Products Wireless M2M and Telematics Solutions Bluetooth Module Americas 1 800 492 2320 Option 3 7 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless 7 INTERFACE SPECIFICATION 7 1 RS232 Serial signals The digital RS232 Serial signals are contained in J15 J19 as shown in Table 2 Laird TECHNOLOGIES Note The direction is from the module s perspective Table 2 RS232 Definitions Pin 1 GND Ground Pin 2 RTS Request To Send Pin 3 NC No Connection Pin 4 RXD Receive Data Pin 5 TXD Transmit Data Pin 6 CTS Clear To Send Output Input Output Input Pin 1 DCD Data Carrier Detect Pin 2 DTR Data Terminal Ready Pin 3 DSR Data Set Ready Pin 4 RI Ring Indicator Output Output Input Output GPIO2 GPIO8 GPIO3 GPIO4 The format of the holes allows the fitting of your choice of connectors or can be used for directly soldering test wires to the board Pins are laid out on a standard 2 54 mm 0 1 inch pitch Americas 1 800 492 2320 Option 3 8 Europe 44 1628 858 940 Hong Kong 8
15. nd J4 are similarly only used for Laird internal use in manufacturing test 7 5 Audio Connectors Labeled LINE_In MIC_IN and STEREO OUT These 3 5 mm audio connectors on the right side of the ADK allow OEMs to connect standard speakers microphones and headphones Americas 1 800 492 2320 Option 3 9 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless 7 6 Push Buttons Table 4 Push buttons Laird TECHNOLOGIES gt SW2 SW3 SW4 SW5 SWe6 RESET GPIO 5 GPIO 1 GPIO 7 GPIO 6 Button to reset the BTM511 module Push button for use of associated GPIO line for a range of configurable functionality Push button for use of associated GPIO line for a range of configurable functionality Push button for use of associated GPIO line for a range of configurable functionality Note Contrary to remaining push buttons the pull up resistor R29 for GPIO 7 is not fitted per default In future use GPIO7 may function as an output to control the audio amplifier U7 see J9 Push button for use of associated GPIO line for a range of configurable functionality 7 7 Board Configuration Jumpers Table 5 Jumpers J10 J11 J12 RS232 OFF J9 3 3V GPIO7 J10 J11 DIFF_IN Americas 1 800 492 2320 Option 3 Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Unused on the development board INTERNAL USE ONLY Provides provide volta
16. opying duplicating selling or otherwise distributing any part of this product or accompanying documentation software without the prior consent of an authorized representative of Laird Technologies Inc is strictly prohibited 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 Laird Technologies reserves the right to change specifications at any time and without notice Laird Technologies products are intended for use in normal commercial and industrial applications Applications requiring unusual environmental requirements such as military medical life support or life sustaining equipment are specifically not recommended without additional testing for such application Limited Warranty Disclaimer Limitation of Liability Americas 1 800 492 2320 Option 3 13 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Laird Bluetooth Audio Modules TECHNOLOGIES D BTM51 0 51 1 Innovative Technology for a Connected World The BTM510 and BTM 511 ar
17. t a standard USB port Switch SW1 is used to select between USB or DC jack power source DC USB 1 4 wee eee Lead Figure 2 SW1 Settings SW 1 slide switch provides the selection of input power for BTM511 module from USB or DC jack The power for the U3 FT232R is always powered by the USB bus SW2 push button TACT switch provides a reset signal to the BTM511 module Americas 1 800 492 2320 Option 3 5 Laird Technologies Europe 44 1628 858 940 Hong Kong 852 2923 0610 www lairdtech com wireless Laird TECHNOLOGIES gt 5 USB RS232 SERIAL INTERFACE The ADK provides USB to Virtual COM port conversion through a FTDI chip and any Windows PC XP or later will auto install the necessary drivers and if your PC cannot locate the drivers you can download them from http www ftdichip com FTDrivers htm The development board contains a USB to UART interface on the RX TX CTS RTS DTR DSR RI and DCD signals In default setting the FTDI is on by having the J8 open no jumper so providing a USB to virtual COM port for evaluation through standard USB cable See Figure 3 The UART interface on the BTM511 module can be driven from external microcontroller instead of the on board FTDI FT232R chip U3 if the DVK is powered from DC jack and SW1 Figure 2 is in position DC At a minimum RX TX RTS and CTS need to be connected J15 for this use case Modem control lines J19 are optional NC7S2Z125
18. ut MIC input SW 8 Right DIFF SW7 SW8 should be placed at the same position for each input setting For MIC example if you require Line Input then both SW7 and SW8 need to be placed in the TOP position 8 OTHER FEATURES 8 1 Power Consumption Measurement J21 pin 2 provides the output voltage of current sensing amplifier U17 INA216A4 Current is measured by voltage drop over the parallel resistors R64 R65 0 51 Ohm each R64 and R65 can be seen as one 0 255 Ohm resistor With the gain of U17 which is 200 the following formula results voltage_J21 200 0 255 A Or simplified voltage_J21 51 A Note 1 The parameters of this DVK are optimised for measuring average low currents If the intention Is to measure current patterns e g for sniff mode investigation higher currents the bandwidth of this design response to fast changing currents is insufficient In that case a current sensing amplifier with less gain but higher bandwidth should be utilised see INA216A data sheet J5 allows to do this externally Note 2 This only measures the current consumption of the module and not of the level shifter or other peripheral circuitry 8 2 USB Access USB access can be provided to allow a direct USB connection to a Bluetooth HCI module To enable this operation close J8 by placing a jumper on the pins If this is done and the unit is connected to a USB host port it will be powered from that same port Do
19. velopment Tools Development Kit Development board and software tools Approvals Bluetooth End Product Approved BTM510 Limited Modular Approval E BTM511 Full oddly a ORDERING INFORMATION BTM510 Bluetooth Multimedia Module external antenna BTM511 Bluetooth Multimedia Module with integrated antenna DVK BTM510 Development Kit external antenna DVK BTM511 Development Kit with integrated antenna The details contained within the document are subject to change Download the product gl ob al oc al specification from www lairdtech com wireless for the most current specification USA 1 800 492 2320 Europe 44 1628 858 940 Asia 852 2268 6567 wirelessinfo lairdtech com www lairdtech com wireless LWS DS BTM510 511 0310 Any information furnished by Laird Technologies Inc and its agents is believed to be accurate and reliable All specifications are subject to change without notice Responsibility for the use and application of Laird Technologies materials rests with the end user since Laird Technologies and its agents cannot be aware of all potential uses Laird Technologies makes no warranties as to the fitness merchantability or suitability of any Laird Technologies materials or products for any specific or general uses Laird Technologies shall not be liable for incidental or consequential damages of any kind All Laird Technologies products are sold pursuant to the Laird Technologies Terms and Conditions of sale in effect
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