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LMX9820 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMX9820 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 40 page  © 2004 National Semiconductor Corporation www.national.com June 2004 1.0 General Description The 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 Diagram CompactRISC is a trademark of National Semiconductor Corporation. Bluetooth is a trademark of Bluetooth SIG, Inc. and is used under license by National Semiconductor. UART_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 PORTS COMPACTRISC™ BASEBAND LINK MGMNT CONTROLLER JTAG RAM FLASH DIGITAL SMART RADIO SYNTHESIZER LNA PA TR SW CRYSTAL/OSCILLATOR 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 ISEL1 INTERFACE SELECT LMX9820 Bluetooth™ Serial Port Module |
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