LMX9830DONGLE Hardware User Guide v06.fm
Contents
1. PP eee eee START 1 8 GHz 100 MHz STOP 3 2 GHz Date 26 JUL 05 Tett 50 Figure 3 S11 measurement on ANT pin 3 www national com SPINS 1 SN SIEMPIBH I19NO00886XIN 1 LMX9830DONGLE Hardware User Guide 6 0 Layout Consideration The LMX9830 reference design is split into 2 sections one section is RS232 transceiver circuit for PC connection another section is LMX9830 main circuit for Host proces sor Figure 4 6 1 PCB REQUIREMENT E 4 layers PCB required NW 1 mm overall thickness 2 LAYERS CLASSIFICATION 6 E Top layer is the components and main signals layer E 2nd layer is ground plane WE 3rd layer is power plane E Bottom layer is interface signals and ground plane NW RF circuit requirement E Large ground plane with ground via s is must for good RF performance E 50 ohm transmission line is used for matching between RFinout and Antenna MH T network is designed for different type of Antenna matching E Keep the maximum distance between main crystal and Antenna to avoid coupling of TDD signals from Antenna 7 0 Board components and Pin As signments A summary of the configuration and selection jumpers is provided in the tables that follow Reference both the sche matic and PCB layout included on the CD in the kit Table 1 Major Components List 64K EEPROM access bus National LMX9830 Serial Port Module Refer ence the device datasheet National LP3985 Low Dropout Voltage Regula2. JARE i t hi 4 4 4 4 A A 4 A Ll h WA le PS a 7 7 A Figure 1 Reference Board and Sedona Lite Board Bluetooth is a trademark of Bluetooth SIG Inc and is used under license by National Semiconductor O 2005 National Semiconductor Corporation www national com SPINS 49Sf SIEMPIBH I19NO00886XIN 1 LMX9830DONGLE Hardware User Guide 3 0 Requirement and Setup 3 1 BASIC REQUIREMENT m X86 PC with serial port E One of the following operating system is required Windows 2000 Windows XP 3 2 APPLICATION SOFTWARE 3 2 1 SimplyBlue Commander Application command oriented tool to generate commands and watch events in the Simply Blue Command interface 3 3V select window Reference the Simply Blue Commander User Guide document for details 3 2 2 SBSmart Easy to use Windows based tool to demonstrate additional profile support of the SimplyBlue functionality Reference the SBSmart User Guide for additional details 3 2 3 Patch Programming LMX9830 allows for patch programming for firmware update if necessary Reference the LMX9830 SW User Guide document for details Can also be done with the SimplyBlue Commander tool TT eT Audio In CODEC w I Off board circuit I Figure 2 System Block Diagram 4 0 Functional Description 4 1 POWER SUPPLY NW DC Power Jack 6V max E Battery Holder 6V max 4 2 MAIN SYSTEM E Crystal 13MHz NW Reset button for manual Re
3. tor National LP3985 Low Dropout Voltage Regula tor Maxim MAX3225 1 Mbps High Speed UART Driver 13 MHz Crystal Reference the crystal device X1 datasheet and the LMX9830 datasheet for details www national com Table 2 Connectors Summary BAT1 Battery Connector Maximum input volt 2mm pitch age is 6V J1 DP9 serial connec See Table 7 tor male 3 External processor See Table 6 interface J Advance Audio See Table 7 interface Table 3 Jumper and Test Point Summary Jumper Te ian Details P BBCLK Test point for system clock R15 16and Clock amp UART set See Table 8 18 ting jumper Table 4 Switch and LEDs LED2 Operation Status LED1 Data Traffic TX RX Table 5 J1 DP9 male Pin Assignments Description xc S S Ready to send output Clear to send input Continued Table 8 UART interface setting 13MHz Table 6 J2 External Processor Interface NVS 9600bps Pin Signalname Description LDO_CTL ON OFF control of LDO input Power Supply maximum 3 6V Table 9 J1 Sedona Lite Board Ea UART_TX Transmit Data output CINC EC 6 UART_AX Receive Data npu 7 UART RTS Ready to send outpul wa HOST WU Not used on LMX9830 only used for LMX9820A ie RESET Reset input Table 10 J2 Sedona Lite Board Table 7 J3 Advance Audio Interface Pin Signal name AAI STD 4 AAI_SFS Advanced Audio Interface Frame Synchronization 5 AAI_SR
4. D e w ia 2 ob Ground SS Table 11 Audio Connection Table 8 UART interface setting 13MHz For PC Microphone UART baud rate P15 For PC Headphone 921600bps defaul 115200bps 9600bps nage MN 111171 gt E i T f ama 5 I E x k A TE i ri MESS RS232 transceiver Standalone for Host DC power supply processor Figure 4 Top view of Reference board www national com 5 9PIND 49Sf SIEMPIBH I19NO00886XIN 1 LMX9830DONGLE Hardware User Guide 8 0 Bill of materials Reference Board C26 C30 C31 Capacitor 100n 0402 X7R 16V GRM36X7R104K16 C32 csc mnrca savsan y o oo O OO mooo S C12 C15 TANT CAP 2 2uF 6 3V SIZE A C11 C20 C21 Capacitor 1uF 1206 X7R 25V GRM42 6X7R105K25 C23 C24 BATT __ Batteryhotder nmpich A LEDZ Red Oalor LED 0808 Size SSA m Bue CoortED 0608 Size AY si 08 ale sra comedtor AY 9 ammeader 8 poes AY R8 R9 R10 R_ Resistor 0603 Size OR 11 R19 R20 R CA A IM pees A Ass 29 Any R13 R25 Resistor 0402 Size 330R Any 21 R22 www national com 6 Continued R26 035 Resistor 0402 Size OR Y Rar Resistor 0402 Size 100K AY Ris amna A Y O OYO Risne 2mmheader wihjunpe ay S oO 9 0 Bill of Materials Sedona Lite Board emnene Bescon O v o O CATAN TAS A CON AZTECA AN en TS A A no maes id S 2 Pstmmsoetet x4poes p AN RIO fessroszseero p o Raru fRessoroszsee pw A ETT pw AN ON ETT p AN parera e
5. National Semiconductor LMX9830DONGLE Hardware User Guide 1 0 Scope 2 0 General Description National Semiconductor LMX9830 Bluetooth serial don October 2005 Revision 0 6 e 2 1 REFERENCE DESIGN KIT CONTENTS gle reference design kit is a plug and play serial adapter for serial cable replacement applications and more Itis able to LMX9830 Bluetooth serial adapter reference board support more profiles than just the Serial Port Profile Ta including audio support with external codec boards By MW USB Dongle and application software stack using the enclosed Simply Blue Commander software it E Null modem cable allows user to develop their own SW applications easily y Sedona Lite board CODEC given the built in interpreter for HEX commands SBsmart ea is a higher level application tool that provides buttons with M 110V to 240V AC to 5V DC power adapter and pigtail the built in commands to easily set up or demonstrate dif mM CDROM with design documents and SimplyBlue soft ferent profile support using the SimplyBlue SPP package ware Application tools 2 2 LMX9830 BLUETOOTH SERIAL ADAPTER REFERENCE BOARD WITH CHIP ANTENNA ON BOARD gt 13 _ rr S Fan 5 Sn A an E Ar 1177 5 n UTA s TeL VOY 4 A ay RT JOPONPUSSIWIES purno Y p hp gt pe r Ni 4 Ri feiti WU 1 RES l T Core adaatadale A Bo parr yeas E S e NY 4 BARRA MNNAA a
6. ree products are RoHS compliant National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Asia Pacific Japan Ltd Tel 1 800 272 9959 Fax 49 0 180 530 85 86 Customer Response Group Tel 81 3 5639 7560 Fax 1 800 737 7018 Email europe support nsc com Tel 65 254 4466 Fax 81 3 5639 7507 Email support nsc com Deutsch Tel 49 0 69 9508 6208 Fax 65 250 4466 English Tel 44 0 870 24 0 2171 Email ap support nsc com Francais Tel 33 0 1 41 91 8790 www national com National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications
7. set E Jumper option for Baud rate selection 4 3 UART INTERFACE DB9 connector for RS232 standard PC interface using On board level shifter IC for handling LMX9830 module s 3 3V UART interface www national com 4 4 ADVANCE AUDIO INTERFACE NW Support Audio applications E PCM codec interface support linear and A law E PCM Master or Slave operation SW configurable E Direct connection to Sedona Lite Board A law only 4 5 ANTENNA NW The Chip Antenna on board matched with RFinout of LMX9830 50 ohm typ E Optional SMA connector for external antenna or direct cable for conducted measurements 5 0 Design Consideration E 2 8V output single LDO is used to provide power for RF circuitry of the LMX9830 9 1 CARRIER FREQUENCY OFFSET 5 3 ANTENNA DESIGN E Is highly dependant on the stability of main crystal 13MHZ E Is recommended to be less than 20ppm over the en tire operating temperature E Chip Antenna is selected due to good price performance rating E Matching circuit is necessary and RFinout of LMX9830 is 50 ohm typical NW Bandwidth of Antenna should be more than 100MHz 5 2 POWER MANAGEMENT 2 45GHz center frequency and VSWR lt 2 E 3 3V output single LDO is used to provide power for RS232 interface chip and Digital portion of the LMX9830 CH1 211 Fs 52 06 311 93 2 5 He Vi ESE dk dio dd 2 3585 GHz wi CAL START 1 8 GHz STOP 23 2 GHz ee S74 dB MAC 5 dB REF 0 dB Yi 18 16 dB eae GHZ
8. sistoro402 Sie 7 ay o 10 0 References E LMX9830 Bluetooth Serial Port Module Software Users Guide E LMX9830 Bluetooth Serial Port Module data sheet SBSmart user guide Figure 5 Sedona Board www national com 7 SPIND J9Sf SIEMPIBH ATONOQGOVESEXINT LMX9830DONGLE Designer Guide LIFE SUPPORT POLICY NATIONALS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which 2 A critical component is any component of a life support device a are intended for surgical implant into the body or b Support or system whose failure to perform can be reasonably expected or sustain life and whose failure to perform when properly used to cause the failure of the life support device or system or to af in accordance with instructions for use provided in the labeling fect its safety or effectiveness can be reasonably expected to result in a significant injury to the user BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification CSP 9 111C2 and the Banned Substances and Materials of Interest Specification CSP 9 111S2 and contain no Banned Substances as defined in CSP 9 111S2 Leadf
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