LM740 Bluetooth Audio Module Class 2 Module CSR BC05 MM - External Antenna
LM740 Bluetooth Audio ModuleClass 2 Module CSR BC05 MM - External AntennaProductLM740Part oth v2.1 EDR compliant firmwareTrue Wireless Stereo SupportClass 2 device with up to 25 m range in open spaceAPTX SupportAT Command interface available forHFP/HSP/A2DP/AVRCP firmwareSupport UART, PIO and USB Host InterfaceHFP/HSP/A2DP/AVRCP profiles supported.SPP/PBAP firmware under developmentDevelopment kit (LM556) for LM740 available for developmentApplication Schematic for LM740 available for developmentCSR Bluecore 05 Multimedia External Flash(BC05-MM Ext) chipsetLead free - RoHS compliantSmall Size : 16mm x 15mm x 2.2mmIntegrated Switched-mode regulatorEmbedded Kalimba DSP Co-processorApplicationsIntegrated Switched-mode regulatorHigh Quality Stereo Wireless HeadsetsEmbedded Kalimba DSP Co-processorHigh Quality Mono HeadsetsIntegrated battery charging optionVehicle Infotainment SystemsIntegrated 16-bit Stereo Audio CODEC 95dB SNR for DACWireless SpeakersUART baud rate upto 921600 bps supportedVoIP HandsetsEnhanced Audibility and Noise cancellationBluetooth Enabled Automotive Wireless GatewaysIntegrated 16 MB flash memoryHandsfree kitsOverviewLM740 is LM Technologies Ltd Class 2 Bluetooth Multimedia module with external antenna. This module is a CSR Bluecore 5Multimedia External BC05 MM chip based surface mount module available with Bluetooth Handsfree (HFP), Headset (HSP),Advanced Audio Distribution Profile (A2DP) and Audio Video Remote Control Profile (AVRCP) combo firmware. The firmware can beconfigured via AT commands over UART interface or PIO interface via push buttons.This module is ideal for multimedia applications in vehicle infotainment systems, handsfree kits, headsets, Bluetooth speakers andBluetooth Stereo Headsets. This module is available with Bluetooth 2.1 EDR compliant firmware. Firmware for A2DP Speakers,Stereo Transmitter is available upon request.LM740Page 1 of 8 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
LM740 Bluetooth Audio ModuleClass 2 Module CSR BC05 MM - External AntennaProductLM740Part No740-0411Revised27/FEB/2015Packaging OptionsIndividualTape and ReelTray PackagingPart No 740-0412Part No 740-0411LM740 with Bluetooth 2.1 EDR firmwareLM740 with Bluetooth 2.1 EDR firmwareLM740 with Bluetooth 2.1 EDR firmwarePart No 740-0413User Guides, Manuals and Widcomm Configuration Software available to download via our website - neral SpecificationChipsetCSR Bluecore 5 Multimedia External BC05 MMPower ClassificationClass 2Module TypeSurface Mount SMTBluetooth SpecificationCore v2.1 EDRFrequency2402 - 2480 MHzTemperature Range-20 C to 70 CData RateUp to 3 Mbps in HCI ModeRange25m in open spaceRx Sensitivity-82 dBm typicalAntennaExternal AntennaVoltage operation1.8 - 3.6vCurrent Consumption (standby mode)0.06 mACurrent Consumption (ACL Connection, master role)4.4 mACurrent Consumption (data transfer, master role)9.1 mACurrent Consumption (ACL Connection, slave role)15 mACurrent Consumption (data transfer, slave role)21 mAPower Output dBmDefault FirmwareLM-SRX-ATC-YYYYMMDD (AT Command Firmware), LM-RX-HIC(PIO firmware)Size16mm x 15mm x 2mmBluetooth ProfileHandsfree Profile (HFP), Advanced Audio Distribution Profile(A2DP), Audio Video Remote Control (AVRCP), Serial Port Profile(SPP), Phone Book Access Profile (PBAP)InterfaceUART, PIO’s, USB Host InterfaceDigital Audio BusPCM, I2S or SPDIFCodecYes, Integrated 16 bit Stereo Audio CODECDSP ProcessorEmbedded Kalimba DSP Co-ProcessorFlash Memory16MBRoSH CompliantYesLM740Page 2 of 8 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
LM740 Bluetooth Audio ModuleClass 2 Module CSR BC05 MM - External AntennaProductLM740Part No740-0411Revised27/FEB/2015Block DiagramCharger Input4.5V - 6.5VVBAT 2.5V - 4.4VDC / DCConverter &Charger16MbitFlashSPIANTUARTVDD 1V8Balun BFPPIOInterfacePCM/112SBC05MMAUDIOUSBX’tal 26MhzPin AssignmentsPinNameTypeDescription1AGNDAGNDAnalog Ground2SPKR B PAnalogueSpeaker output positive, right3SPKR B NAnalogueSpeaker output positive, right4SPKR A PAnalogueSpeaker output positive, left5SPKR A NAnalogueSpeaker output negative, left6VDD PIO / VDD PADSVDDPositive supply for PIO, AUX DAC and all other digital Input / Output ports7GNDGNDCommon Ground8ANTAnalogueConnect to 50 ohm antenna (RF signal)9GNDGNDCommon Ground10AUX DACAnalogue8 bit voltage output DAC11PIO 0I/OProgrammable Input / Output Line12PIO 1I/OProgrammable Input / Output Line13PIO 3I/OProgrammable Input / Output Line14PIO 2I/OProgrammable Input / Output LineLM740Page 3 of 8 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
LM740 Bluetooth Audio ModuleClass 2 Module CSR BC05 MM - External AntennaProductLM740Part No740-0411Revised27/FEB/2015Pin Assignments ContinuedPinNameTypeDescription15AIO 1I/OAnalog Programmable Input / Output Line16AIO 0I/OAnalog Programmable Input / Output Line17USB DNI/OUSB Data Minus18USB DPI/OUSB Data Plus19VDD USBVDDPositive Supply for UART / USB Ports20UART RXCMOS InputUART Rx Data21UART TXCMOS OutputUART Tx Data22UART RTSCMOS OutputUART Request to Send, Active Low23UART CTSCMOS InputUART Clear to Send, Active Low24PIO 10I/OProgrammable Input / Output Line25PIO 9I/OProgrammable Input / Output Line26PIO 11I/OProgrammable Input / Output Line27PIO 12I/OProgrammable Input / Output Line28GNDGNDCommon Ground29PIO 8I/OProgrammable Input / Output Line30PIO 7I/OProgrammable Input / Output Line31PIO 4I/OProgrammable Input / Output Line32PIO 5I/OProgrammable Input / Output Line33PIO 6I/OProgrammable Input / Output Line34RESET #CMOS InputRest if low. Input debounced so must be low 5ms to cause reset35PCM CLKI/OSynchronous Data Clock36PCM INCMOS InputSynchronous Data Input37PCM SYNCI/OSynchronous Data Sync38PCM OUTCMOS OutputSynchronous Data Output39SPI MOSICMOS InputSPI Data Input40SPI CS #CMOS InputChip select for serial Peripheral Interface (SPI), active low41SPI CLKCMOS InputSPI Clock42SPI MISOCMOS OutputSPI Data Output43GNDGNDCommon Ground44LED 1Open Drain OutputLED Driver45LED 0Open Drain OutputLED Driver461V8VDD1V8 Input47LXSwitch Mode power regulator output Switch Mode power regulator output48VDD CHGCharger InputLithium Ion/Polymer battery charger input49VBATBattery Terminal PositiveLithium Ion/Polymer battery positive terminal. Battery O/I to SMRLM740Page 4 of 8 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
LM740 Bluetooth Audio ModuleClass 2 Module CSR BC05 MM - External AntennaProductLM740Part No740-0411Revised27/FEB/2015Pin Assignments ContinuedPinNameTypeDescription50VREGENABLE H (Power On)AnalogueTake high to enable high-voltage linear regulator and swich-mode regulator51MIC BIASAnalogueMicrophone Bias52MIC B PAnalogueMicrophone Bias positive, right53MIC B NAnalogueMicrophone Bias negative, right54MIC A PAnalogueMicrophone Bias positive, left55MIC A NAnalogueMicrophone Bias negative, leftRF CharacteristicsTransmitter: VDD-1.8V, Temperature 20 CCharacteristicFrequencyMinTypMaxBluetooth SpecificaitonUnitSensitivity at 0.1%2.402--82- -70dBmBER for all2.441--82-packet types2.480--82-Maximum received signal at 0.1% BER- -10- -20dBmC/I co-chanel-7- 11dBAdjacent channel selectivity C/I F F0 1 Mhz--6- 0dBAdjacent channel selectivity C/I F F0-1 Mhz--7- 0dBAdjacent channel selectivity C/I F F0 2 Mhz--21- -20dBAdjacent channel selectivity C/I F F0-2 Mhz--39- -30dBAdjacent channel selectivity C/I F F0-3 Mhz--43- -40dBAdjacent channel selectivity C/I F F0 5 Mhz--47- -40dBAdjacent channel selectivity C/I F FImage--17- -9dBMaximum Level of inter-modulation interferers--30- -39dBmSpurious output level--156-Maximum RF Transmit Power-1--6 to 4dBmRF power control resolution-35- 16dBRF power control range-0.5--dB20 dB Bandwidth for modulated carrier-916- 1000kHzAdjacent channel trasmit power F F0 2 Mhz--30- -20dBmAdjacent channel trasmit power F F0 3 Mhz--50- -40dBmAdjacent channel trasmit power F F0 3Mhz- -50- -40dBmΔf1 avg Maximum Modulation-166-140 f1avg 175kHzΔf2 max Minimum Modulation-154-115kHzΔf1 avg / Δf2 avg-0.92- 0.80Initial Carrier Tolerance-10- /-75kHzDrift Rate-8- 20kHz/50μDrift (Single Slot Packet)-8- 25kHzDrift (Five Slot Packet)-10- 40kHz2nd Harmonic Content--50- -30dBm3rd Harmonic Content--55- -30dBmLM740Page 5 of 8dBm/Hz 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
LM740 Bluetooth Audio ModuleClass 2 Module CSR BC05 MM - External AntennaProductLM740Part No740-0411Revised27/FEB/2015DimensionsAll measurements in mm2.2BOTTOM VIEW1614 14*12 2*1TOP VIEW1.514 4*116.5105 5*11512 12*10.61Design to MicroStrip Line0.6*1.411.510.71.511.5PCB LAYOUT (TOP VIEW)LM740Page 6 of 8 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
5DGNDC220.1uFC23220uF/6.3V/CAGNDLow ESR916510AGNDVO1R23IN2 IN2-22K 1%IN1-IN1 BYPASSshutdownVSSVDDU3234784L4NC0RC16ANT1DGND1R9 22K 1%TPA6112A2C154.7uFMIC A PMIC A NVO2C91uF/0603C21uF/0603VDD AMPR12.2KVDD ND1V8BIAS MICAGNDC140.1uF12L215nH ABCDJ1MIC4R13R10C271uF/0603Low ESR22K 1%22K 1%DGNDR24R2022K 1%22K 1%R1822K 1% AGNDR1422K 1%DGNDNCC171V8AGNDSPKR R PSPKR R NSPKR L PSPKR L NAUX DACPIO0PIO1PIO3PIO2GNDRF IOGNDAGNDSPKR B PSPKR B NSPKR A PSPKR A NPIO 011121314789123456MIC A PMIC A NPower onBIAS MICC510uF/16V/1206DGND3VBAT1V8U1LM-740SPKR L NSPKR L PSPKR R PSPKR R N1V83PIO5VOL-VOL PS31PS1232323232343232323232343444442SPI MISO42SPI CLK41SPI CSB40SPI MOSI393837363534 RESETBMFB33PIO532DGND31REW30FF2928REWSPI MISOSPI CLKSPI CS#SPI MOSIPCM OUTPCM SYNCPCM INPCM KR6DGND132DGNDJ2VBATDC JACKJD1BAT CON211Tuesday, April 07, 2009Document Number1SheetLM740 Application 06C12C130.1uF 10uF/16V/1206DGNDC70.1uFVBATPower onB10R/0603Int ChargeR2470RBLUE41LED1The external inductor (L1) must have an ESR in therange 0.3 - 0.7ΩInt IC A NMIC A PMIC B NMIC B PMIC BIASPOWER ONVBATVDD CHGLX1V8LED0LED1GNDAIO1AIO0USB DNUSB DPVDD USBUART RXUART TXUART RTSUART 324252627Page 7 of 8VOL VOL-51ofRev RevCode 1ABCDClass 2 Module CSR BC05 MM - External AntennaLM740 Bluetooth Audio ModuleProductLM740Part No740-0411Revised27/FEB/2015 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
LM740 Bluetooth Audio ModuleClass 2 Module CSR BC05 MM - External AntennaProductLM740Part No740-0411Revised27/FEB/2015Revision History1.017/NOV/2011First version with new layout1.120/MAR/2012Some minor changes in data sheet content1.212/FEB/20141. Packaging information corrected2. Revision information added1.3LM740Page 8 of 827/FEB/2015Updated Datasheet 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com
8 bit voltage output DAC Programmable Input / Output Line Programmable Input / Output Line Programmable Input / Output Line Programmable Input / Output Line LM740 Page 3 of 8 44(0) 207 428 2647 www.lm-technologies.com sales@lm-technologies.com ANT Balun BFP DC / DC Converter & Charger X'tal 26Mhz VDD 1V8 SPI Charger Input 4.5V - 6.5V .
Using your Bluetooth headset with the Logitech wireless hub 2 Start the Bluetooth Setup Wizard in one of three ways: Press the Connect button on your Bluetooth wireless hub.-or- Right-click the Bluetooth icon, , in the Windows taskbar and select Add a Bluetooth Device from the menu displayed.-or- Select Add a Bluetooth Device from the Bluetooth Tasks panel in the My Bluetooth
HM Bluetooth module datasheet -----Last Version V530 2014-08-05 3 † Professional bluetooth products suppliers. † Remote control module provider † data transmission module provider † PIO state acquisition module provider † Customizable bluetooth module and bluetooth solutions
Targus USB Ultra-Mini Bluetooth 2.0 Adapter with EDR Basic Operations Start or Stop Bluetooth (for Windows 2000/ XP only) To start Bluetooth In the Windows system tray, right-click the Bluetooth icon and select Start the Bluetooth Device.The Bluetooth icon is blue in color with a white insert when the Bluetooth software is running. To stop Bluetooth
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English - 5 Introduction About your Bose Bluetooth Audio adapter The Bose Bluetooth Audio adapter allows you to stream music from your smartphone, tablet, laptop or other Bluetooth enabled device through your audio system. System features Wirelessly connect to your smartphone, tablet or other Bluetooth enabled device. Connect up to three devices using multi-point connectivity.
1 Le récepteur audio Bluetooth Logitech se reconnectera automatiquement au dernier dispositif connecté 2 Si vous n'utilisez pas le dernier dispositif connecté et que vous souhaitez vous reconnecter au récepteur audio Bluetooth Logitech, vous devez sélectionner de nouveau Logitech BT Adapter dans la liste des dispositifs Bluetooth
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