NL5500L Reference Integration Note - Bluetooth

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TI Confidential — NDA RestrictionsProduct Overviewwww.ti.com2.1.5 Hardware Features• GPS features– Very short TTFF at low signal power levels through enhanced receiver core architecture providesthe consumer with a compelling GPS experience.– Improved acquisition performance to process position fixes in deep indoor conditions– Reduced power consumption though improvements to RF architecture, software techniques,receiver core, and RF noise figure partitioning– Improved tracking performance and minimized error in multipath environments through increased IFBW and higher sampling rates in tracking channels– Sensor integration support to enhance GPS solution performance in deep urban canyon locations– Enhanced power-management schemes: the NL5500 intelligently turns off portions of the GPS corewhen not required between location fixes.• Bluetooth features– Support of Bluetooth 4.0 up to HCI level – BLE (10 multiple BLE connections)– Very fast AFH algorithm for ACL and eSCO– Supports typically 12.5 dBm Class 1.5 TX power without external PA, improving the robustness ofthe Bluetooth link– Supports multiple Bluetooth and FM profiles with enhanced QoS – FMoBT both mono and stereo,assisted A2DP (no host processing required)– Spurious emissions compatible with GPS applications– Internal temperature detection and compensation ensures minimal variation in the RF performanceover temperature.– Flexible PCM and I2S digital audio/voice interfaces: Full flexibility of data format (Linear, a-Law,m-Law), data width, data order, sampling and slot positioning, master/slave modes, high clock ratesup to 16 MHz for slave mode (or 6 MHz for master mode). Lost packet concealment for improvedaudio.2.1.6 Radio ModulesThe radio module is a DRP, single-ended, 50-Ω I/O for easy RF interfacing.2.1.7 InterfacesFigure 1 shows the design interfaces.4 NL5500L Reference Integration Note SWAA121–September 2011Submit Documentation FeedbackCopyright © 2011, Texas Instruments Incorporated
TI Confidential — NDA Restrictionswww.ti.comProduct OverviewBattery/extregulatorsupply(VBAT/Vreg)VIO supply(VIO/VD DS) TCXO_CLK REF_CLK RTC_CLKPower supplyClocksJTAG I/FDFT I/FDebug busExternalmemory I/FBT and GPSdebug TXUARTsGPIOBT-wLANcoex I/FBT GSM/hostsync/ GPSPA BLANKDebug/DFT interfacesExternal interfaceBluetoothMACModemDRPbBT class1 I/F BT IP FM IPTop-level service blocksControlblockModum(DBB,RDS,ST DEC)TX/RXAFEGPSreceivercoreGPS IPGPSRFBT host/ audiointerfaceDRPbinterfaceFM TX/RXinterfaceBT HCI UART /or(SPI + BT_IRQ)BT voice I/F(I2S/PCM)BT deep sleepprotocalBT RX/TXantennaBT LDOoutputsBT analogtestFM RXantennaFM TXantennaFM LDOoutputsFM analogtestPower/clockcontrol interfacesGPS hostinterfacesGPS RFinterfaceFM host control and audiointerfacesClockrequestsClockrequestpolarityToplevelLDOoutputsBTandGPSshutdownUART/I 2 Chost I/Fand IRQ2I CmasterI/FGPScontrolI/FGPS GPSRF In LDOoutputs2FM I CandFM IRQFigure 1. Design InterfacesFMaudiodigital I/F(PCM/I2S)FM RXaudioanalogoutputsFM TXaudioanaloginputsswaa121-0022.1.8 Application RequirementsThe NL5500L is suitable for various operating systems,such as Android and Symbian Windows, andcontains all of the common interfaces in the market. It is also suitible for platforms, such as PNDs,smartphones, and tablets, and supports all configurations, such as HCILL and shared UART transport.More detailed application paper can be supplied under NDA.SWAA121–September 2011Submit Documentation FeedbackCopyright © 2011, Texas Instruments IncorporatedNL5500L Reference Integration Note5
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