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3.0

Qualification

„

FCC certified: 

• 

FCC ID: ED9LMX9838

„

FCC compliance: The device complies with Part 15 of
FCC Rules. Operation is subject to the following two con-
ditions:

• 

This device may not cause harmful interference

• 

This device must accept any interference received, in-
cluding interference that may cause undesired opera-
tion

„

IC certified:

• 

IC: 1520A-LMX9838

„

Bluetooth SIG QD ID: B012394

4.0 Requirement and Setup

4.1

BASIC REQUIREMENT

„

X86 PC with serial port.

„

One of the following operating system is required.

• 

Windows 2000

• 

Windows XP

4.2

APPLICATION SOFTWARE

4.2.1

Simply Blue Commander

Application command oriented tool to generate commands
and watch events in the Simply Blue Command interface
window. Reference the Simply Blue Commander User
Guide document for details.

4.2.2

SBSmart

Easy to use Windows based tool to demonstrate additional
profile support of the Simply Blue functionality. Reference
the SBSmart User Guide for additional details.

4.2.3

Patch Programming

LMX9838 allows for patch programming for firmware
updates if necessary. Reference [2] for details. This can
also be done with the Simply Blue Commander and
SBSmart tools.

Figure 2.

System Block Diagram

5.0

Functional Description

5.1

POWER SUPPLY

„

DC Power Jack (6V max)

„

Battery Holder (6V max)

5.2

MAIN SYSTEM

„

Reset button for manual Reset

„

Jumper option for Baud rate selection

5.3

UART INTERFACE

DB9 connector for RS232 standard PC interface using On-
board level shifter IC for handling LMX9838 module’s 3.3V
UART interface.

5.4

ADVANCE AUDIO INTERFACE 

„

Support Audio applications

„

PCM codec interface (support linear and A-law)

„

PCM Master or Slave operation (SW configurable)

„

Direct connection to Sedona Lite Board (A-law only)

Summary of Contents for LMX9838DONGLE

Page 1: ...Blue Commander software it allows user to develop their own SW applications easily given the built in interpreter for HEX commands SBSmart is a higher level application tool that provides buttons with the built in com mands to easily set up or demonstrate different profile sup port using the Simply Blue SPP package 2 0 General Description 2 1 EVALUATION KIT CONTENTS LMX9838 Bluetooth serial adapte...

Page 2: ...ommander User Guide document for details 4 2 2 SBSmart Easy to use Windows based tool to demonstrate additional profile support of the Simply Blue functionality Reference the SBSmart User Guide for additional details 4 2 3 Patch Programming LMX9838 allows for patch programming for firmware updates if necessary Reference 2 for details This can also be done with the Simply Blue Commander and SBSmart...

Page 3: ...X9838 main circuit for Host proces sor 7 1 PCB DESIGN 4 layers PCB 1 6 mm overall thickness 7 2 LAYERS CLASSIFICATION Top layer is the components and connection wiring Layer 2 is Ground plane Layer 3 is Power plane Bottom layer is interface signals Figure 3 LMX9838Dongle 8 0 AUDIO CODEC Board Sedona Lite Board contains an audio codec and two phone jacks This board can be used in conjuction with LM...

Page 4: ...ion S1 Reset button D1 Operation Status D2 Data Traffic TX RX Table 5 J8 DP9 male Pin Assignments Pin Signal name Description 1 NC No connection 2 RxD Receive Data input 3 TxD Transmit Data output 4 NC No connection 5 GND Ground 6 NC No connection 7 RTS Ready to send output 8 CTS Clear to send input 9 NC No connection Table 6 J5 External Processor Interface Pin Signal name Description 1 POWER_D ON...

Page 5: ...5 C19 Capacitor 1uF 0603 Y5V 10V MuRata GRM39Y5V105Z10 J7 Battery holder 2mm pitch Any S1 TACK SWITCH TS 1135HS RAINBOW Y1 Tuning fork crystal 32 768KHz Any J6 DC POWER JACK Morning star limited DC 015 D1 Red Color LED 0603 Size Any D2 Blue Color LED 0603 Size Any J8 DB9 male serial connector Any J4 2mm Socket 6 poles Any U1 Bluetooth SPP Micro Module National Semiconductor LMX9838SB U3 Low Dropou...

Page 6: ...100nF Any Ceramic cap C6 Capacitor 1uF Any Ceramic cap C12 TANT CAP 10uF 10V Any C40 TANT CAP 47uF 6 3V Any C11 Not mount J1 2mm socket 6 poles Any J2 2 54mm socket 2 x 4 poles Any P15 Socket for speaker mono Morning Star MSJ 1537 P17 Socket for microphone mono Morning Star MSJ 1537 R10 Resistor 0402 Size 10R Any R13 R14 Resistor 0402 Size 1K Any R5 R22 Resistor 0402 Size 4 7K Any R3 Resistor 0402...

Page 7: ...7 www national com AN 1710 ...

Page 8: ...TY RIGHT LIFE SUPPORT POLICY NATIONAL S 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 Life support devices or systems are devices which a are intended for surgical implant into the body or b support or sustain life and whose ...

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