LMX9820ASM datasheet(2/44 Pages) NSC

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Revision 1.0

3.0 Features

■ Bluetooth version 1.1 qualified

■ Implemented in CMOS technology on FR4 substrate

■ Temperature Range: -40°C to +85°C

■ FCC certified on LMX9820ADONGLE,

FCC ID ED9LMX9820ASM.

3.1 DIGITAL HARDWARE

■ Baseband and Link Management processors

■ CompactRISC Core

■ Integrated Memory:

–Flash

–RAM

■ UART Command/Data Port:

– Support for up to 921.6k baud rate

■ Auxiliary Host Interface Ports:

– Link Status

– Transceiver Status (Tx or Rx)

– Operating Environment Control:

– Default Bluetooth mode

– In System Programming (ISP) mode

■ Advanced Power Management (APM) features

■ Advanced Audio Interface for external PCM codec

3.2 FIRMWARE

■ Complete Bluetooth Stack including:

– Baseband and Link Manager

– L2CAP, RFCOMM, SDP

–Profiles:

–GAP

–SDAP

– SPP

■ Additional Profile support on host for any SPP based

profile, like

– Dial Up Networking (DUN)

– Facsimile Profile (FAX)

– File Transfer Protocol (FTP)

– Object Push Profile (OPP)

– Headset (HSP)

– Handsfree Profile (HFP)

■ On-chip application support including:

– Command Interface:

– Link setup and configuration (also Multipoint)

– Configuration of the module

– In-System Programming (ISP)

– Service database modifications

– Default connections

– UART Transparent mode

– Different Operation modes:

– Automatic mode

– Command mode

3.3 DIGITAL SMART RADIO

■ Accepts external clock or crystal input:

– 12 MHz

– 20 ppm cumulative clock error required for Bluetooth

■ Synthesizer:

– Integrated VCO and loop filter

– Provides all clocking for radio and baseband func-

tions

■ Antenna Port (50 ohms nominal impedance):

– Embedded front-end filter for enhanced out of band

performance

■ Integrated transmit/receive switch (full-duplex operation

via antenna port)

■ Typical -81 dBm input sensitivity

■ 0 dBm typical output power

3.4 PHYSICAL DIMENSIONS

■ Compact size: 10.1mm x 14.1mm x 2.0mm

■ Complete system interface provided in Land Grid Array

on underside for surface-mount assembly

■ Metal shield included

Figure 1. Physical Illustration

LMX9820ASM Datasheet(PDF) 2 Page - National Semiconductor (TI)

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