PDF W7020 Data sheet ( Hoja de datos )

Número de pieza	W7020
Descripción	Bluetooth Radio Module
Fabricantes	Lucent
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No Preview Available ! www.DataSheet4U.com Preliminary Data Sheet September 2000 W7020 Bluetooth* Radio Module Features + Complete Bluetooth RF solution + Compliant with Bluetooth specification version 1.0 + Highly integrated module including an RF transceiver IC, antenna filter, and transmit/receive baluns + 0 dBm output power at 50 Ω + 2.7 V operation enabling long battery life + 3.2 kHz low-power idle-mode clock n Digital receive signal strength indicator (RSSI) n Small-outline module ceramic land grid array (MCLGA) package (9.7 x 14.0 x 1.6 mm) Applications n Cellular phones n PCs and peripherals n PDAs n Consumer appliances 2402 MHz to 2495 MHz 0 dBm/–70 dBm RX BALUN ANTENNA FILTER ANTENNA SWITCH TX BALUN 135° LNA 90° φ S RadTioXASIC AMPLIFIER 45° VCO BUFFER GLPF LIMITER DISCRIMINATOR RECEIVER DATA OUT CLOCK GENERATION 13 MHz 1 MHz 3.2 kHz INTEGER N PLL 13 MHz XTAL W7020 RADIO MODULE TANK LPF NOTE: SHADED AREA IS EXTERNAL TO MODULE TRANSMITTER DATA IN Figure 1. Circuit Block Diagram Bluetooth is a trademark of Telefonaktiebolaget LM Ericsson. UNLOCK PLL 1 page Preliminary Data Sheet September 2000 W7020 Bluetooth Radio Module Pin Information Table 1. Pin Descriptions Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Symbol GND TX_CLK TX_ON RX_DATA RX_ON GND XO_P XO_N POR_EXT GND VCC NC GND GND GND GND ANT 18 GND 19 GND 20 VCC_VCO 21 PHD_OFF 22 TX_DATA 23 GND 24 SYNT_ON 25 SI_CLK 26 SI_CMS 27 SI_CDI 28 GND 29 SI_CDO 30 POR 31 LPO_CLK 32 PX_ON 33 SYS_CLK_REQ 34 SYS_CLK A = analog; D = digital. Type* Ground D Output D Input D Output D Input Ground A Input A Input D Input Ground Power — Ground Ground Ground Ground RF 50 Ω Ground Ground Power D Input D Input Ground D Input D Input D Input D Input Ground D Output D Output D Output D Input D Input D Output Description Common ground 1 MHz clock Transmit power on Received data input Receiver power on Common ground Crystal positive input Crystal negative input or external clock input External power-on reset Common ground Common power supply Not connected Common ground Common ground Common ground Common ground Antenna input/output Common ground Common ground VCO power supply Open PLL Transmit data input Common ground Synthesizer (PLL) powerup Serial interface clock Serial interface mode select Serial interface data input Common ground Serial interface data output Power-on reset 3.2 kHz low-power clock Packet on System clock request System clock Lucent Technologies Inc. 5 5 Page Preliminary Data Sheet September 2000 W7020 Bluetooth Radio Module Interface Signal Description Table 2. Data Interface: CMOS I/O Up to 1 Mbit/s Pin No. 4 22 Pin Name RX_DATA TX_DATA Function Connects to baseband and is synchronized to the SYS_CLK signal. TX data from baseband must be synchronized with TX_CLK signal. Table 3. Digital Control Inputs: Strobe Signals to Control Various W7020 Features Pin No. 9 5 3 33 32 24 21 Pin Name POR_EXT RX_ON TX_ON SYS_CLK_REQ PX_ON SYNT_ON PHD_OFF Function Reset will occur on the positive edge of an external power-on-reset signal. Logic high enables receiving of RX_DATA; low disables RX_DATA. Logic high enables transmission of TX_DATA; low disables TX_DATA. Logic high starts up SYS_CLK and TX_CLK outputs (if control register bit 2 set). Logic high during synchronization at first data packet from master. Logic high enables the VCO/PLL. Logic high opens the VCO/PLL control loop. Table 4. Digital Control Outputs: Output Clocking and Reset Control for the Baseband Pin No. 2 34 31 30 Pin Name TX_CLK SYS_CLK LPO_CLK POR Function 1 MHz transmit clock output, available if POR_EXT & SYS_CLK_REQ are high. 13 MHz reference clock output, available if POR_EXT & SYS_CLK_REQ are high. 3.2 kHz adjustable low-power oscillator clock, available after VCC applied. Delayed reset signal (<30 ms) (refer to Power-On Reset and XO Start-Up section). Table 5. Analog Inputs: Connect XTAL Off-Module or External Oscillator Signal (0.4 Vp-p to 1.0 Vp-p) Pin No. 7 8 Pin Name XO_P XO_N Function Connect XTAL. Leave unconnected when using external clock. Connect XTAL or external signal, ac-coupled. Table 6. Serial Interface: Based on the Boundary-Scan Architecture, IEEE* 1149.1 Pin No. 27 26 25 29 Pin Name SI_CDI SI_CMS SI_CLK SI_CDO Function Control data input; transports serial data to the W7020. Control mode select; determine transitions from one state to another with the CLK positive edge. Control clock; control timing of the serial interface. Control data out; transports serial data from the W7020 to baseband. * IEEE is a registered trademark of the Institute of Electrical and Electronic Engineers, Inc. Lucent Technologies Inc. 11 11 Page

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