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LMX9820ASM Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMX9820ASM Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 44 page  © 2005 National Semiconductor Corporation www.national.com 1.0 General Description The National Semiconductor LMX9820A Bluetooth Serial Port module is a highly integrated radio, baseband control- ler, and memory device implemented on an FR4 substrate. All hardware and firmware is included to provide a com- plete solution from antenna from the complete lower and upper layers of the Bluetooth stack, up to the application support layers including the Generic Access Profile (GAP), the Service Discovery Application Profile (SDAP), and the Serial Port Profile (SPP). The module includes a config- urable service database to fulfill service requests for addi- tional profiles on the host. The LMX9820A features a small form factor (10.1 x 14.1 x 2.0 mm) design, which solves many of the challenges associated with compact system integration. Moreover, the LMX9820A is pre-qualified as a Bluetooth Integrated Component. Conformance testing through the Bluetooth qualification program enables a fast time to market after system integration by ensuring a high degree of compliance and interoperability. Based on National’s CompactRISC™ 16-bit processor architecture and Digital Smart Radio technology, the LMX9820A is optimized to handle the data and link man- agement processing requirements of a Bluetooth node. The firmware supplied with 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 data links and one active SCO link. 1.1 APPLICATIONS ■ Personal Digital Assistants ■ POS Terminals ■ Data Logging Systems ■ Audio Gateway applications CompactRISC is a trademark of National Semiconductor Corporation. Bluetooth is a registered trademark of Bluetooth SIG, Inc. and is used under license by National Semiconductor. APRIL 2005 Revision 1.0 LMX9820A Bluetooth® Serial Port Module 2.0 Functional Block Diagram 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 ADVANCED AUDIO INTERFACE AAI_STD AAI_SRD AAI_SFS AAI_SCLK |
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