LMX9820SB/NOPB National Semiconductor, LMX9820SB/NOPB Datasheet
LMX9820SB/NOPB
Specifications of LMX9820SB/NOPB
Related parts for LMX9820SB/NOPB
LMX9820SB/NOPB Summary of contents
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... PA SYNTHESIZER CRYSTAL/OSCILLATOR CompactRISC is a trademark of National Semiconductor Corporation. Bluetooth is a trademark of Bluetooth SIG, Inc. and is used under license by National Semiconductor. © 2004 National Semiconductor Corporation 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 ...
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... 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): – ...
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... PERFORMANCE DATA (TYPICAL 7.0 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.1 BASEBAND AND LINK MANAGEMENT PROCESSORS 7.1.1 Bluetooth Lower Link Controller . . . . . . . . . . . . 14 7.1.2 Bluetooth Upper Layer Stack . . . . . . . . . . . . . . 14 7.1.3 Profile support . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.1.4 Application with command interface . . . . . . . . . 14 7.2 MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.3 CONTROL AND TRANSPORT PORT . . . . . . . . . 15 7.4 AUXILIARY PORTS . . . . . . . . . . . . . . . . . . . . . . . 15 7 ...
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Connection Diagram GND RF GND RF GND GND RF GND RF GND GND RF GND RF GND GND RF GND ...
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Pad Descriptions Pad Name Pad Direction Location Clk- B8 Clk+ B9 32kHz_CLKI B13 32kHz_CLKO C13 RF_inout H8 Input/Output ISEL2 H13 ISEL1 J13 Table 3. USB Interface Signals (Not supported by lmx9820 firmware) Pad Name Pad Location USB_VCC F12 USB_D+ ...
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Pad Descriptions (Continued) Pad Name Pad Location IOVCC H12 Reset_b# G8 Reset_5100# D11 Lstat_0 E8 Lstat_1 F8 Host_wu F9 Env0 E9 Env1 B11 TX_Switch_P H3 Table 6. Audio Port Interface Signals (not supported by LMX9820 Firmware) Pad Name Pad ...
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Pad Descriptions (Continued) Pad Name Pad Location PH3_TP9 F13 PH2_TP8 G13 1. Treat as No Connect, Pad required for mechanical stability. Table 8. Power, Ground, and No Connect Signals Pad Name Pad Location NC A1, A2, A3, A4, A5, ...
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... The following conditions are true unless otherwise stated in the tables below: • -40°C to +85°C A • VCC = 3.3V • RF system performance specifications are guaranteed on National Semiconductor Austin Board rev1.0b refer- ence design platform. Table 9. Absolute Maximum Ratings Min 2.25 2.25 2.97 -0 ...
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Electrical Specifications NOTE: The voltage regulators are optimized for the internal operation of the LMX9820. As any noise or coupling into those can have influence on the radio performance Symbol Parameter I Power supply current for continous ...
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... All tests are measured at antenna port unless otherwise specified • -40°C to +85°C A • VCC = 3.3V unless otherwise specified • RF system performance specifications are guaranteed on National Semiconductor Austin Board rev1.0b refer- ence design platform. Condition BER < 0.001 2.402 GHz 2.441 GHz 2.480 GHz ...
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... Initial Carrier Frequency Drift 0 t -Tx Transmitter Delay Time D 1. Frequency accuracy dependent on crystal or oscillator chosen. Crystal/oscillator must have cumulative accuracy specifications of not more than +20 ppm to meet the Bluetooth specification. Revision 1.0 (Continued) Condition 2.402 GHz 2.441 GHz 2.480 GHz Data = 00001111 ...
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Electrical Specifications Table 17. Crystal/Oscillator Performance Characteristics Symbol Parameter f Crystal Oscillator Frequency OSC 1 Frequency Accuracy f ACC t Oscillator Turn-On Time OSC-ON V Oscillator Input Voltage OSC ESR Equivalent Series Resis- tance D Duty Cycle CYCLE P ...
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Electrical Specifications -2 -4 IL(dB - 2.1 E+09 2.1E+09 m2 freq=2.402ghz S(1.1)=0.093/-29.733 impedance = Z0* (1.170 - j0.109) m1 freq=2.500ghz S(1.1)=0.035/175.614 impedance = Z0* (0.933 + j0.005) Figure 8. TX and RX Pin 50 Impedance ...
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... BASEBAND AND LINK MANAGEMENT PROCESSORS Baseband and Lower Link control functions are imple- mented using a combination of National Semiconductor’s CompactRISC 16-bit processor and the Bluetooth Lower Link Controller. These processors operate from integrated Flash memory and RAM and execute on-board firmware implementing all Bluetooth functions ...
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... Flash also contains the IEEE 802 compliant Media Access Con- troller (MAC) address (BDADDR). The firmware and the BDADDR are programmed by National Semiconductor or can be programmed by the customer either before assem- bly into the host system or in system. Module firmware can be updated as well during manufacturing or by the con- sumer using the ISP capabilities of the LMX9820 ...
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... Keying) modulation of the 2.5 GHz VCO. Closed loop modulation is chosen since it is the most low power solu- tion. The integrated pre-amplifier provides output levels sufficient for Class 2 Bluetooth operation. 8.9 MODULATOR An internal digital Gaussian filter provides the FSK modula- tion waveform. A modulation input to the completely inte- grated 2 ...
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... Frequency Tuning Frequency Tuning is achieved by adjusting the crystal load capacitance with external capacitors Bluetooth requirement that the frequency is always within 20 ppm. Crystal/oscillator must have cumulative accuracy specifica- tions of +15 ppm to provide margin for frequency drift with ageing and temperature ...
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Digital Smart Radio (Continued) Figure 12. Frequency Offset with Capacitors www.national.com 18 ...
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Digital Smart Radio (Continued) Figure 13. Frequency Offset with 9 pF//10 pF Capacitors 8.13.2 TCXO (Temperature Compensated Crystal Oscillator) The LMX9820 also can operate with an external TCXO (Temperature Compensated Crystal Oscillator). The TCXO signal is directly connected to ...
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System Power-Up Sequence In order to correctly power-up the LMX9820 the following sequence must be performed: Apply IOVCC and VCC to the LMX9820. VCC tPTOR IOVCC Reset_b# Low Reset_5100# Low BBP_CLOCK High TX_RX_DATA Low TX_RX_SYNC Low CCB_DATA Low CCB_CLOCK ...
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... Additional to the standard all changes at the physical layer will be reported. 10.1.4 Default Link Policy Each Bluetooth Link can be configured to support M/S role switch, Hold Mode, Sniff Mode and Park Mode. The default link policy defines the standard setting for incoming and outgoing connections ...
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... Default Link Timeout 20 seconds Event Filter Standard LMX9820 events reported www.national.com Description Bluetooth device address Bluetooth PinCode Command or Automatic mode Up to three default devices to connect on default Service discovery database, control for supported profiles Sets the speed of the physical UART interface to the ...
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... UART transport layer and the radio activity are defined: The radio activity level mainly depends on application requirements and is defined by standard bluetooth opera- tions like inquiry/page scanning or an active link. A remote device establishing or disconnecting a link may also indirectly change the radio activity level. ...
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... The Bluetooth modules confirm to a request. ‘C’ (CFM) All requests are answered by exactly one confirm. 0x69 Indication Information sent from the Bluetooth module that is not a direct confirm to a request. ‘i’ (IND) Indicating status changes, incoming links, or unrequested events. 0x72 Response An optional response to an indication. ‘ ...
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... A full documented description of the commands can be found in the “LMX9820 Software Users Guide”. NOTE: For standard Bluetooth operation only commands from Table 29 through Table 31 will be used. Most of the remaining commands are for configuration purposes only. ...
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... SPP Port Status Changed Command Event Read Local Name Read Local Name Confirm www.national.com Table 33. Bluetooth Low Power Modes Description Defines the link policy used for any incoming or outgoing link. Returns the stored default link policy Defines the modes allowed for a specific link ...
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... Command Interface (Continued) Table 36. Local Bluetooth Settings (Continued) Command Event Write Local Name Write Local Name Confirm Read Local BDADDR Read Local BDADDR Confirm Change Local BDADDR Change Local BDADDR Confirm Store Class of Device Store Class of Device Confirm Set Scan Mode ...
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... Get the status of the reporting level Returns an indicator for the incoming signal strength Set specific UART speed; needs proper ISEL pin setting Change configuration for parity and stop bits Enable Bluetooth, EMI test, or local loopback Soft reset Stops the bluetooth firmware and executes the In-system-programming code 28 ...
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... The SPP conformance of the LMX9820 allows any device using the SPP to connect to the LMX9820. Because of switching to Transparent automatically, the controller has no need for an additional protocol layer; data is sent raw to the other Bluetooth device. On default, a PinCode is requested to block unallowed tar- geting. Air Interface ...
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... Device Stored 6. Switch to Transparent Transparent Mode Microcontroller Bluetooth™ device controls link with a few commands 1. Port R indicates the remote RFComm channel to connect to. Usually the result of the SDP request. 2. Port L indicates the Local RFComm channel used for that connection. Figure 19. Automatic Point-to-Point Connection www ...
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... LMX9820. Serial Devices #2 and #3 establish the link automatically as soon as they are contacted by another device. No control- ler interaction is necessary for setting up the Bluetooth link. Both switch automatically into Transparent mode. The host sends raw data over the UART. Serial Device #1 ...
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Application Information Figure 21 on page 32 represents a typical system sche- matic for the LMX9820. 14.1 MATCHING NETWORK The antenna matching network may or may not be required, depending upon the impedance of the antenna chosen. A 6.8pF ...
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Application Information Revision 1.0 (Continued) Figure 22. Component Placement - Layer 1 33 www.national.com ...
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Application Information www.national.com (Continued) Figure 23. Solid Ground Plane - Layer 2 Figure 24. Signal Plane - Layer 3 34 ...
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Application Information Revision 1.0 (Continued) Figure 25. Component Layout Bottom - Layer 4 35 www.national.com ...
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Soldering The LMX9820 bumps are designed to melt as part of the Surface Mount Assembly (SMA) process. The LMX9820 is assembled with a high temperature solder alloy to ensure there are no re-reflow conditions imposed upon the module when ...
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Soldering (Continued) Profile Peak Min # 1 213.9 32.8 2 206.7 31.1 Revision 1.0 Max Max Rising Time Rising Falling Time 130 Between Slope Slope 130/160 2.50 -1.60 208.01 109.00 2.41 -1.73 213.01 121.01 Figure 26. Typical Reflow Profiles ...
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... Specifications may change in any manner without no- tice. This datasheet contains preliminary data. Supplementary data will be published at a later date. National Semiconductor Corporation reserves the right to make changes at any time without notice in order to improve design and supply the best possible product.S This datasheet contains final specifications ...
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... New in this revision Modes Command • Table 34 "Wake Up Functionality" on page 26 added Interface • Table 36 "Local Bluetooth Settings" on page 26 updated • Table 38 "Local Hardware Commands" on page 28 updated Application| • Section 14.1 "MATCHING NETWORK" on page 32 updated Information • Section 14.2 "FILTERED POWER SUPPLY" on page 32 updated • ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no “Banned Substances” as defined in CSP-9-111S2. ...