National Products LMX9820A User Manual

© 2003 National Semiconductor Corporation

www.national.com

The Simply Blue module kit (LMX9820ADEV) is for evalua-
tion and demonstration of the National Semiconductor

®

LMX9820A Simply Blue Serial Port module. This user’s
guide provides platform setup procedures and configura-
tion options for the Simply Blue module kit.

The Simply Blue module kit contains two boards: 

■

Texas Motherboard Rev. 2 
— Serial connector and RS-232 interface circuitry
— JTAG connector and interface circuitry
— Audio Codec interface for Sedona Board
— Three power regulators
— Power and link status LED indicators

— USB connector and interface circuitry (not used for 

LMX9820A)

— Test points of baseband and radio signals
— 50-pin connector (to Austin Daughterboard)

■

Austin Daughterboard Rev. 1 
— LMX9820A serial port module
— On-board 12 MHz crystal
— On-board 32.768 kHz crystal for low power modes
— Internal use only test points of module signals
— SMA connectors for antenna and clock
— 50-pin connector (to Texas motherboard)

■

Sedona Audio Codec Daughterboard Rev. R1B 
— 2 OKI Codecs, default operation
— 2 Motorola Codecs, supported
— 1 Speaker connection
— 2 Mic connections, only 1 used

National Semiconductor
User’s Guide
December 2004
Revision 0.2

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