LMX9838DONGLE

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LMX9838DONGLE Hardware User Guide
March 2007 Revision
LMX9838DONGLE Hardware User Guide
Scope
General Description
REFERENCE DESIGN CONTENTS
National Semiconductor LMX9838 Bluetooth serial dongle reference design plug play serial adapter serial cable replacement applications more. able support more profiles than just Serial Port Profile (including audio support with external codec boards). using enclosed Simply Blue Commander software, allows user develop their applications easily given built interpreter commands. SBSmart higher level application tool that provides buttons with built commands easily demonstrate different profile support using Simply Blue package.
LMX9838 Bluetooth serial adapter reference board Dongle application software stack Null modem cable Sedona Lite board (Audio CODEC Board) 110V 240V power adapter pigtail CDROM with design documents Simply Blue software Application tools.
LMX9838 BLUETOOTH SERIAL ADAPTER REFERENCE BOARD
Figure Reference Board Sedona Lite Board
Bluetooth trademark Bluetooth SIG, Inc. used under license National Semiconductor.
2006 National Semiconductor Corporation
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LMX9838DONGLE Hardware User Guide
Qualification
following operating system required.
certified: ED9LMX9838 compliance (see Section 13.0): device complies with Part Rules. Operation subject following conditions: This device cause harmful interference This device must accept interference received, including interference that cause undesired operation certified: 1520A-LMX9838 Bluetooth B012394
Windows 2000 Windows
4.2.1
APPLICATION SOFTWARE
Simply Blue Commander
Application command oriented tool generate commands watch events Simply Blue Command interface window. Reference Simply Blue Commander User Guide document details. 4.2.2 SBSmart
Requirement Setup
BASIC REQUIREMENT
Easy Windows based tool demonstrate additional profile support Simply Blue functionality. Reference SBSmart User Guide additional details. 4.2.3 Patch Programming
with serial port.
LMX9838 allows patch programming firmware update necessary. Reference LMX9838 User Guide document details. This also done with Simply Blue Commander SBSmart tools.
Figure System Block Diagram
Functional Description
POWER SUPPLY
UART INTERFACE
Power Jack max) Battery Holder max)
connector RS232 standard interface using Onboard level shifter handling LMX9838 module's 3.3V UART interface.
ADVANCE AUDIO INTERFACE
MAIN SYSTEM
Reset button manual Reset Jumper option Baud rate selection
Support Audio applications codec interface (support linear A-law) Master Slave operation configurable) Direct connection Sedona Lite Board (A-law only)
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LMX9838DONGLE Hardware User Guide
Design Consideration
Connector
Table
Connectors Summary Details Maximum input voltage Same above Table Table Table
Description Battery Connector pitch jack serial connector (male) External processor interface Advance Audio interface
POWER MANAGEMENT
3.3V output single used provide power RS232 interface chip Digital portion LMX9838.
Layout Consideration
LMX9838 reference design split into sections, section RS232 transceiver circuit connection, another section LMX9838 main circuit Host processor. (Figure
REQUIREMENT
Table Jumper Test Point Summary Jumper Test Point Description Clock UART setting jumper Details Table
layers required overall thickness
LAYERS CLASSIFICATION
layer components main signals layer Bottom layer interface signals ground plane circuit requirement Large ground plane with ground via's must good performance
Table Switch/LED
Switch LEDs Description Reset button Operation Status Data Traffic (TX/RX)
AUDIO CODEC Board
Sedona Lite Board contains audio codec phone jacks. This board used conjuction with LMX9838DONGLE realize audio (SCO) transmission reception capabilities. (See Table
Table
(male) Assignments Description connection Receive Data (input) Transmit Data (output) connection Ground connection Ready send (output) Clear send (input) connection
Signal name
Board components Assignments
summary configuration selection jumpers provided tables that follow. Reference both schematic layout (included kit) Table Device Major Components List Description National LMX9838 Serial Port Module Reference device datasheet. National LP3985 Low-Dropout Voltage Regulator Maxim MAX3225 Mbps High Speed UART Driver
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LMX9838DONGLE Hardware User Guide
Table Advance Audio Interface Table External Processor Interface Description ON/OFF control LMX9838 output (3.3V) Ground Transmit Data (output) Clear send (input) Receive Data (input) Ready send (output) 1.8V voltage regulator input/output Reset (input) Table Short Short Open Open Short Open Short Open UART interface setting Short Short Short Short UART baud rate 921600bps 115200bps(default) 9600bps (Default 9600bps) Signal name Description Advanced Audio Interface Receive Data Ground
Signal name POWER_D# CTS# RTS# VCC_CORE RESET#
Table Advance Audio Interface Signal name Description output (3.3V) SCLK Advanced Audio Interface Clock Advanced Audio Interface Transmit Data Advanced Audio Interface Frame Synchronization Table Audio Connection
Microphone Headphone
Figure view Reference board
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LMX9838DONGLE Hardware User Guide
10.0 Bill materials (Reference Board)
Item Name C5,C6 C1,C3,C8, C2,C4,C7 C11,C12 Description Capacitor 0603 Capacitor 100n 0603 Capacitor 2u2F 0603 Capacitor 100p 0603 TANT SIZE MuRata MuRata MuRata MuRata MuRata MuRata RAINBOW Morning star limited National Semiconductor National Semiconductor Maxim LMX9838SM LP3985IM5X-3.3 MAX3225EEAP+ DC-015 GRM42-6X7R105K25 GRM39Y5V105Z10 Vendor Part Number GRM39C0G220J50 GRM39Y5V104Z50 GRM39Y5V225Z10 GRM39C0G101J50
C13,C14,C15, Capacitor 1206 C16,C17 R1,R2,R3 R11,R12 R6,R7,R8,R9, R13,R14,R17 R4,R5 J3,J10 J1,J2 Capacitor 0603 Battery holder (2mm pitch) TACK SWITCH TS-1135HS Tuning fork crystal 32.768KHz POWER JACK Color 0603 Size Blue Color 0603 Size (male) serial connector Socket poles) Bluetooth Micro Module Dropout Regulator High Speed RS232 Transceivers Resistor 0603 Size, Resistor 0603 Size, Resistor 0603 Size, Resistor 0603 Size, 330R header header (with jumper)
11.0 Bill Materials (Sedona Lite Board)
Item Name C3,C4,C5,C6 R13,R14 R5,R22 Description Capacitor 100nF Capacitor TANT 10uF, TANT 47uF, 6.3V mount socket poles) 2.54mm socket poles) Socket speaker (mono) Socket microphone (mono) Resistor 0402 Size, Resistor 0402 Size, Resistor 0402 Size, 4.7K Morning Star Morning Star MSJ-1537 MSJ-1537 Vendor Part Number Ceramic Ceramic
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LMX9838DONGLE Hardware User Guide
Item Name R4,R8,R9
Description Resistor 0402 Size, Resistor 0402 Size, Single Rail Codec
Vendor
Part Number
MSM7717-01MS-K
12.0 References
LMX9838 Bluetooth Serial Port Module data sheet
LMX9838 Bluetooth Serial Port Module Software Users
Guide
SBSmart user guide
Figure Sedona Board
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LMX9838DONGLE Hardware User Guide
13.0 Appendix: instructions
13.1
13.1.1
SAFETY INFORMATION EXPOSURE
Radiation Exposure Statement:
This equipment complies with radiation exposure limits forth uncontrolled environment. users must follow specific operating instructions satisfying exposure compliance. This device intended only form integrators under following conditions: antenna must installed such that 20cm maintained between antenna users; transmitter module co-located with other transmitter antenna. IMPORTANT NOTE: event that these conditions (for example certain laptop configurations colocation with another transmitter), then authorization longer considered valid used final product. these circumstances, integrator will responsible re-evaluating product (including transmitter) obtaining separate authorization. 13.1.2 Product Labeling
rect interference more following measures: Reorient relocate receiving antenna. Increase separation between equipment receiver. Connect equipment into outlet circuit different from that which receiver connected. Consult dealer experienced radio/TV technician assistance. Changes modification expressly approved party responsible Compliance could void user's authority operate equipment. Connecting peripherals requires grounded shielded signal cables. 13.2.2 Compliance Information
This device complies with Part Rules. Operation subject following conditions: This device cause harmful interference, This device must accept interference received, including interference that cause undesired operation.
This transmitter module authorized only devices where antenna installed such that maintained between antenna users. final product must labeled visible area with following: "Contains ED9LMX9838" 13.1.3 Product Manual Information
user manual users must include following information prominent location: "IMPORTANT NOTE: comply with exposure compliance requirements, antenna used this transmitter must installed provide separation distance least 20cm from persons must co-located operating conjunction with other antenna transmitter."
13.2
13.2.1
RADIO FREQUENCY INTERFERENCE STATEMENT
INFORMATION USER
NOTE This equipment been tested found comply with limits Class digital device pursuant Part Rules. These limits designed provide reasonable protection against harmful Interference residential installation This equipment generates, uses, radiate radio frequency energy and, installed used accordance with instructions, cause harmful Interference radio communications. However, there guarantee that interference will occur particular Installation. this equipment does cause harmful interference radio television reception, which determined turning equipment user encouraged cor-
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LMX9838DONGLE Designer Guide
LIFE SUPPORT POLICY NATIONAL'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT GENERAL COUNSEL NATIONAL SEMICONDUCTOR CORPORATION. used herein:
Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform, when properly used accordance with instructions provided labeling, reasonably expected result significant injury user. critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness.
BANNED SUBSTANCE COMPLIANCE
National Semiconductor certifies that products packing materials meet provisions Customer Products Stewardship Specification (CSP-9-111C2) Banned Substances Materials Interest Specification (CSP-9-111S2) contain "Banned Substances" defined CSP-9-111S2. Leadfree products RoHS compliant.
National Semiconductor Corporation Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: support@nsc.com www.national.com
National does assume responsibility circuitry described, circuit patent licenses implied National reserves right time without notice change said circuitry specifications.
National Semiconductor Europe
Fax: Deutsch Tel: English Tel: Francais Tel: 180-530 9508 6208 2171 8790 Email: europe.support@nsc.com
National Semiconductor Asia Pacific Customer Response Group Tel: 65-254-4466 Fax: 65-250-4466 Email: ap.support@nsc.com
National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507

LMX9838DONGLE

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