Semtech XE1401SK User Manual Download

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Rev 1 February 2006

www.semtech.com

Users Guide

XE1401SK Hardware

XE1401SK Bluetooth™ Starter Kit

Hardware Users Guide

Summary of Contents for XE1401SK

Page 1: ...Rev 1 February 2006 www semtech com 1 Users Guide XE1401SK Hardware XE1401SK Bluetooth Starter Kit Hardware Users Guide ...

Page 2: ...SK Motherboard Overview 10 5 2 1 Power Supply 11 5 2 2 Voltage Regulators 11 5 2 3 Power Supply for External Application Board 11 5 2 4 Power Consumption Measurement 12 5 2 5 Hardware Reset 12 5 2 6 Radio Modules Connectors 12 5 2 7 XE1401SK Host Controller Interface ports RS232 USB 13 5 2 8 XE3006 CODEC 14 5 2 9 XE1401 Application Board Connector 15 5 3 Motherboard Settings 16 5 3 1 Jumpers Overv...

Page 3: ...SK 1 1 WHAT THIS GUIDE CONTAINS This guide consists of the following chapters Get Started Now describes how to connect the XE1401SK to a Bluetooth enabled cell phone XE1401SK Product Overview introduces the XE1401SK hardware design XE1401SK Functional Description introduces the XE1401SK functionalities XE1401SK Hardware Description gives a detailed description of the XE1401SK hardware Schematics s...

Page 4: ...w the instructions Place JP13 of the XE1401SK in USB_5V position the board will be powered directly out of the USB port Place SW3 of the XE1401SK in CX position for the Skyworks former Conexant radio or SiW if a Silicon Wave radio is used Connect the USB cable between your PC and the XE1401SK Switch ON the XE1401SK by using SW1 LED CR3 will light and after few seconds the LED CR5 flashes Now the U...

Page 5: ... button and the mobile phone starts immediately the search process j As soon as devices are found the device names are displayed k Choose the device you want to connect to and push Select The connection phase starts l and if the connection is established the message Connected to appears Otherwise the message No devices found is displayed Note Sometimes the search procedure i must be restarted to d...

Page 6: ...d components required for a complete Bluetooth solution such as radio module schematics and reference material to give you a jump start Note In order to develop and produce an application that utilizes the Bluetooth wireless technology you need an upper Bluetooth protocol stack that executes in the host microprocessor Several Bluetooth protocol stacks are available on the market such as the IAR Em...

Page 7: ... voice links including the source files using Microsoft Visual C 6 0 Serial Port Profile and Headset Profile For further information how to embed the included SPP and HSP software in other programs please refer to the included document XE1401SK Bluetooth Software Development Users Guide 4 1 1 Block diagram XE1401SK Hardware Architecture 4 1 2 Power Management The XE1401SK can be powered by 3 diffe...

Page 8: ...K software as an alternative to the UART communication To use the USB port you have to connect the USB cable to the XE1401SK Windows will automatically detect and initialize the USB port For details and how to install the USB driver on your PC please refer to the XE1401SK Software Demo User s Guide 4 2 5 Analog Audio Interface The analog audio interfaces for microphone and speaker are available th...

Page 9: ...sary components for the XE1401 baseband controller the XE3006 CODEC power management and RS232 USB ports The radio board includes a Bluetooth radio chip all required external components to operate it a flex film antenna and a SMA connector for an external antenna Two radio types are supported by the XE1401 Skyworks CX72303 formerly Conexant and Silicon Wave SiW1502 XE1401SK with IAR radio module S...

Page 10: ...on Description JP1 10 100 pins connector for external application board J4 24 RS232 connector B1 B2 16 2 x AAA batteries J5 12 Audio interface speaker output CR3 19 Power ON LED JP2 11 50 pins connector for external application board CR5 1 USB LED indicator JP3 5 Skyworks radio connector CR6 13 Protection diode JP4 9 Silicon Wave radio connector J1 22 External power supply connector JP5 20 Measure...

Page 11: ...the USB port is used If a USB cable is connected the RS232 port is automatically disabled Therefore it is not possible to power supply the XE1401SK via the USB port and simultaneously use the RS232 port for the UART communication For further details see chapter 6 SCHEMATICS 5 2 2 Voltage Regulators Two diodes CR2 and CR4 protect the board from reverse polarity if an external power supply is applie...

Page 12: ...ard must be switched ON and OFF Note The RESET command for the CODEC XE3006 and Skyworks radio interface is low active at 0V and uses a 1 8V as inactive high level The reset command for the XE1401 the extension application board and Silicon Wave radio interface is low active at 0V and uses a 3V as inactive high level 5 2 6 Radio Modules Connectors The XE1401 baseband controller U1 is able to inter...

Page 13: ... is used when connecting to the serial port of a PC A null modem cable RX TX crossed will not work 5 2 7 2 USB PORT The XE1401SK has an USB series B slave port If the USB cable is connected signals from the UART interface of the XE1401 are routed to the USB controller which converts data to USB data and vice versa The USB controller is a Cypress AN2135SC It has an integrated 8051 CPU The on chip m...

Page 14: ...lied by the XE1401 on chip regulator The CODEC XE3006 is automatically initialized during start up by the XE1401 For details see the Software Demo User s Guide and the XE3005 6 datasheet on the enclosed CD ROM It is possible to disable the Serial Peripheral Interface SPI of the XE3006 and hence to disconnect the CODEC from the XE1401 by removing JP8 see 5 3 Motherboard Jumper Settings If the 0Ω re...

Page 15: ...4 12 10 8 6 4 2 49 47 45 43 41 39 37 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 VDD_REG MCLK NSS MISO PCM_DIN FSYNC MODE 0 MODE 2 RTS UA_RX NC1 RADIO_TYPE CLK_IN NC3 NC5 RF_OUT 2 GND MOSI SCK PCM_DOUT BCLK VSSD1 MODE 1 CTS UA_TX NCS VDD_IO_DIG NC2 RF_IN 1 NC4 NC6 NC7 RF_OUT 5 RF_IN 0 RF_OUT 1 RF_OUT 4 RF_IN 3 NC8 NRESET VSSD3 GND RF_IN 2 RF_OUT 3 RF_OUT 0 RF_OUT 6 VSSD2 NC9 GND VOUT GND Outp...

Page 16: ...or current consumption SHORT JP6 21 Power On LED CR3 Enable Disable SHORT JP7 15 Power supply for external application board VCC 1 8V JP8 6 CODEC Enable Disable SHORT JP11 3 UART Interface SHORT JP12 14 Protection diode CR6 bypass OPEN JP13 18 XE1401SK power supply selector BATTERY 5 3 2 Current Consumption Measure JP5 The current consumption of the XE1401SK can be measured through JP5 by removing...

Page 17: ...emoving JP6 typically used for current consumption measurements see chapter 5 3 2 Current Consumption Measure JP5 5 3 4 Power Supply For External Application Board JP7 An external application board can be directly power supplied from the XE1401SK The power source selection for pin 48 VOUT of the 50 pins connector JP2 is selected by JP7 ...

Page 18: ...s floating The selected source supplies the external application board through the protection diode CR6 The supply voltage is so reduced by the diode dropout voltage This protection diode can be bypassed to avoid the voltage dropout see chapter 5 3 7 Protection Diode CR6 Bypass JP12 5 3 5 Codec Enable Disable JP8 The XE3006 Slave Select SS line can be disconnected from the XE1401 by removing the j...

Page 19: ...ers JP11 disconnects the UART RX and CTS lines from the RS232 level shifter and allows to directly accessing the XE1401 UART via JP2 5 3 7 Protection Diode CR6 Bypass JP12 The protection diode CR6 can be bypassed by shorting JP12 to avoid any voltage dropout when using an application board connected through JP2 If CR6 is bypassed the XE1401SK becomes unprotected against reverse voltage coming from...

Page 20: ...XE1401 XE3006 radio module as well as the RS232 level shifter and required glue logic JP13 Position Description Imax Regulated BATTERY 3 2V DC Nominal from batteries regulated to 3 0V through U4 200 mA YES USB_5V 5V DC from USB port regulated to 3 0V and 3 3V through U4 and U5 200 mA YES EXT_POWER DC voltage 4 10 V from the external power supply regulated to 3 0V through U4 200 mA YES OPEN No powe...

Page 21: ...dio Evaluation modules These modules can be directly plugged in For details about the Skyworks Radio Evaluation modules please contact Skyworks http www skyworksinc com 5 4 2 Flag Designed Flexible Laminate Antenna The included antenna is a low cost flex film antenna from Intenna This type of antenna is ideal to be placed inside the mechanics of a Bluetooth device It can be bent and follow the str...

Page 22: ...e radio chip SiW1502 For a detailed description of the radio device please refer to the radio specification from Silicon Wave Picture of the Silicon Wave radio evaluation board Note The Silicon Wave radio evaluation module can be sourced through your local Silicon Wave representative Please contact Silicon Wave http www siliconwave com SiW 1502 radio chip Stub antenna ...

Page 23: ...F 3 1 5 2 6 4 C18 100nF R67 1k CR2 1 2 CR4 1 2 U7 ST16C550CQ48 RESET 35 A2 26 A1 27 A0 28 D0 43 D1 44 D2 45 D3 46 D4 47 D5 2 D6 3 D7 4 IOR_N 19 IOR 20 IOW_N 16 IOW 17 CS2 11 CS1 10 CS0 9 TX 8 RX 7 RTS 32 CTS 38 DTR 33 DSR 39 CD 40 RI 41 TXRDY 23 RXRDY 29 DRV_DIS 22 NC3 13 NC6 21 GP_OP2 31 XTAL1 14 XTAL2 15 INT 30 AS 24 RCLK 5 BAUDOUT 12 GND 18 GP_OP1 34 NC5 36 NC4 37 VCC 42 NC1 1 NC2 25 NC7 6 NC8 ...

Page 24: ...2 3 3 R29 0 J4 RS 232 9 socket connector 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 C40 100nF R70 56 C49 2 2uF C48 100 nF R148 0 RS232 U U CX CX 1 VCC 19 VSS 18 U11 MAX3225 2 4 5 6 3 7 12 13 10 15 8 17 9 16 19 18 1 20 14 11 JP3 HEADER FE 15X2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 TP5 SANDMAN 1 2 R25 0 JP11 RS232_DISABLE 1 2 3 4 C51 100nF R69 0 R56 0 C45 NFM39R 1...

Page 25: ...8 nH C28 10uF 6V C16 100nF U1 CX72303R8 NC2 7 SPI_CLK_IN 24 MIX_VDD 2 NC1 1 D_SUB 30 LOOP_FILT_SW 15 PLL_VDD 16 DIV_TEST_OUT 17 VCO_TUNE 14 VCO_VDD 13 PA_OUTP 8 PA_OUTN 9 PA_VDD 10 MOD_REF 11 XTAL_B 19 SPI_EN_BAR 23 XTAL_VDD 20 SLW_CLK_OUT 21 SYS_CLK_OUT 22 SPI_DATA_IN 25 MOD_VDD 12 RX_DATA 29 TX_DATA 28 D_VDD_IO 27 SPI_DATA_OUT 26 LNA_VDD 3 NC 4 RF_INP 5 RF_INN 6 XTAL_A 18 D_VSS 31 D_VDD 32 RX_EN...

Page 26: ... of the copyright owner The information presented in this document does not form part of any quotation or contract is believed to be accurate and reliable and may be changed without notice No liability will be accepted by the publisher for any consequence of its use Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights Semtech as...

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