LMX9820SB ,Bluetooth Serial Port ModuleFeatures– Command Interface:■ Bluetooth version 1.1 qualified– Link setup and configuration (also M ..
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LMX9820SB
Bluetooth Serial Port Module
9820
uet
h™ S
al P
ModJune 2004
1.0 General DescriptionThe National Semiconductor® LMX9820 Bluetooth™ Serial
Port module is a highly integrated radio, baseband control-
ler and memory device implemented on an LTCC (Low
Temperature Co-fired Ceramic) substrate. All hardware
and firmware is included to provide a complete solution
from antenna through the complete lower and upper layers
of the Bluetooth stack, up to the application including the
Generic Access Profile (GAP), the Service Discovery Appli-
cation Profile (SDAP), and the Serial Port Profile (SPP).
The module includes a configurable service database to
fulfil service requests for additional profiles on the host.
The LMX9820 features a small form factor (10.1 x 14.0 x
1.9 mm) design; thus, solving many of the challenges
associated with system integration. Moreover, the
LMX9820 is pre-qualified as a Bluetooth Integrated Com-
ponent. Conformance testing through the Bluetooth qualifi-
cation program enables a short time to market after system
integration by insuring a high probability of compliance and
interoperability.
Based on National’s CompactRISC™ 16-bit processor
architecture and Digital Smart Radio technology, the
LMX9820 is optimized to handle the data and link manage-
ment processing requirements of a Bluetooth node.
The firmware supplied within this device offers a complete
Bluetooth (v1.1) stack including profiles and command
interface. This firmware features point-to-point and point-
to-multipoint link management supporting data rates up to
the theoretical maximum over RFComm of 704 kbps. The
internal memory supports up to three active Bluetooth
links.
1.1 APPLICATIONS Personal Digital Assistants POS Terminals Data Logging Systems
2.0 Functional Block DiagramUART_RX
UART_TX
UART_RTS#
UART_CTS#
UART
IOVCC
TX_SWITCH_P
ENV0
ENV1
LSTAT_0
LSTAT_1
HOST_WU
RESET_B#
RESET_5100#
AUX
PORTSCOMPACTRISC™BASEBAND
LINK
MGMNT
CONTROLLER
JTAGRAMFLASH
DIGITAL
SMART
RADIO
SYNTHESIZER
LNA
CRYSTAL/OSCILLATOR
NNA
DIG_GND[1:2]VCC
PROCESSOR
(LMP)
CORE
ANALOG
DIGITAL
VDD_ANA_OUT
VDD_DIG_OUT
VDD_DIG_PWR_D#
VOLTAGE
REGULATORS
FIRMWARE
(INCLUDES
PROFILES AND
COMMAND
INTERFACE)
ISEL2
ISEL1INTERFACE
SELECT
LMX9820
Bluetooth™ Serial Port Module
