xPico Wi-Fi – Evaluation Kit User Guide
Contents
1. xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 28 2 Evaluation Kit Figure 2 15 Evaluation Board Schematic for XPCW1003100K Part 7 of 7 VUSB 5V_USB Q Q eie md USB Power Switch USB TO SERIAL DEVICE Stuff option to Turn VUSB VUSB 3 3 VUSB 3v3 power on only after VUSS port negotiation TIDNP_0 1uF 0 1uF Diode Array C62 F1 Route through device 0 1uF 500 mA USB DEBUG PORT CONN_USB_MINI Install for ESD Protection p NT gt USB TX Pg 4 lt USB_RX P9 4 VUSB R46 DNP 0 R48 RClamp0502A 10k Route the SDDx pair as 90 ohm differential net on a layer next to the ground plane Minimize the use of Vias and keep clear of other nets VUSB DEV Diode Array EE Route through device vs d Install for ESD Protection USB DEVICE PORT CONN USB MINI R56 DNP 0 Route the DDx pair as 90 ohm differential net on a layer next to the ground plane P Minimize the use of Vias and keep clear of other nets xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 292. Serial Port 1 TX Activity LED is ON for activity on the Serial Port 1 transmit line Serial Port 1 RX Activity LED is ON for activity on the Serial Port 1 receive line Serial Port 2 TX Activity LED is ON for activity on the Serial Port 2 transmit line Serial Port 2 RX Activity LED is ON for activity on the Serial Port 2 receive line 3 3V Power LED LED is ON when the evaluation board power supply is generating 3 3V xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 16 2 Evaluation Kit Table 2 12 JP6 LED Header Connections XPW100100K 01 and XPCW1002100K Pins 3 to 4 Pins 5 to6 Install to connect module Ethernet link WLAN status signal to LED2 Install to connect module Ethernet Speed signal to LED3 Install to connect module Ethernet Activity signal to LED4 Pins 7 to 8 Install to connect module Ethernet Duplex signal to LED5 Remove when using xPico Wi Fi module to prevent conflict with module wake up signal This jumper is not stuffed by default Table 2 13 JP6 LED Header Connections XPW100300K Pinsito2 Install to connect module WLAN status signal to LED2 Additional Headers The table below lists the pin functionality of the additional evaluation board headers Table 2 14 Additional Headers 36 JP3 pin 1 Module reset to defaults Install jumper JP3 pins 1 to 2 to use SW1 active low for asserting default function 38 J
3. 10V four 10 9 B130LAW 10uF 10V C tuF Power LED 010 RS8 1 DNP 0 R45 c76 470 v Place one resistor near each Mounting Hole xte t Use resistor divider to set ouptut for TPS63030 adjustable HOLE oral Connect GND_SIG2 and GND_POWER le ing oma nect an d at a single point near pin fun 1 D11 2 2 2V to 5 5V Input Range Wi Fi Embedded Device Server Evaluation Kit User Guide 27 Figure 2 14 Evaluation Board Schematic for XPCW1003100K Part 6 of 7 ESD Protection DNP_RClamp0502A Pg2 C gt 04 2 to be isolated by 1500Vrms to all other signals TAP1 5 2 5 SPARE1 Pg 5 SPARE2 Pg 6 P92 ET gt 1 ERXM Pg 2 Diode Array x H Route through device DNP HX2019 Install for ESD Protection i DNP_RClamp0502A Pg2 17 28 3 3v3 2 ERX Route the Ethernet Differential pairs as 100 ohm differential nets on a layer Diode Array next to the ground plane Route through device Minimize the use of Vias and keep Install for ESD Protection clear of other nets Use 20 mil trace on RXCT and TXCT Void area under Magnetic and RJ45 Jack of all signals except the signals from the Magnetic to the RJ45 SPARE DNP_1000pF 2kV 2 Evaluation Kit Ethernet Connector
4. j Pg3 gt avam 25 O LL Pgs gt ETX Pgs lt TXCT Pg5 Pgs R70 R72 Pgs 19000 100 00K 100 00K 3V3 M 2 lt ELED cP4 CD ELED2 i Install to use H CPS STATUS LED 7 HW reset button CT 3 1 P9 lt DNP_JTAGISWD 62050 Push for Reset R73 DNP 0 tuF EXT RESETE o si DEFAULTS RF CABLE MOUNTING RARUWARE i Install to use i Default button Rt er Install DNP RF CABLE adsr Status LED i Anal Input Header 2 T UP16 Wake button og Orange WAKE SMA_ERACKET Network LEDs ae DNP_O 1uF Push for Wake FOR_RF_MH3A1 1 CPS R63 3v3 3v3 Configurable Pin Header IPS INT R9 MISO 220 MOSI Spare LEDs spr cs xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 24 Figure 2 11 Evaluation Board Schematic for XPCW1003100K Part 3 of 7 Install Jumpers to connect to DB9 Serial Port 1 3v3 3v3 C11 Leave open for RS232 mode 14 RS232 RS485 RS422 10 0 50 Install for RS485 RS422 Leave open for RS232 or 4 wire mode 2WIRE 4WIRE SEL Install for 2 wire mode ava RS485 Mode TX connector Inverted from SP336 so swa TX and RTS when in
5. 0 1 Push for Defaults differential net on a layer next to the ground plane Minimize the use of Vias and keep 1 oe clear of other nets T 2213 T c5 ONP_0O 1uF for Reset a 9 Configurable Pin Analog Input Header Status LED Header JP20 JP5 EPI INT Orange x MISO gt MOSI R288 Ethernet LEDs i 100 00K STATUS LED 1K R3 Qi 3v3 w3 3 3 3v3 MMBT3e04 sOT o 9 R289 100 00K LEDI LINK R9 220 LEDZ ACT LED3 DUPLEK Spare LEDs xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 2 Evaluation Kit RF CABLE MOUNTING HARDWARE SMA BRACKET FOR RF 1 18 2 Evaluation Kit Figure 2 5 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 2 of 5 Install Jumpers to connect to DB9 Serial Port 1 avs w3 d ih RS232 RS485 RS422 4F tuF x a 9 10 C13 0 1 50v ava gt 0 SERIAL PORT 1 n O 1uF 50V 12 14 C16 O 1uF 50v R16 11 10k us R17 3v3 C15 This signal is low in R 232 mode 0 tuF 50V 13 25 R18 10k 1 RS232 485 SEL hb ue ot RS485 RS232 SEL 24 12 awe ewe se __ 323 Leave open for RS232 mode Nczszo2 SERIAL RTS1 T TxA 6 RTS1 232 7 425 Install for RS485 RS422 SERIAL TXT abd TXI 230 TX 485 TXI 230 TX 485 Ct DTRA 28 out rx DTR1 232 RTS1 232 TX 485 DEQ MALE Lou IXe 01 n T4
6. board uses either 5V power from a USB device port connector or power supplied to the Ethernet connector via PoE XPW100100K 01 only The evaluation board also provides a header for connection to a 2 2V to 5 5V external source such as battery The Evaluation Kit includes a 5V wall adapter with a USB plug to allow powering the evaluation board from a standard power strip The evaluation board includes all necessary regulators to power the 3 3V xPico module The evaluation board has the following features 9 serial port connector with a multi protocol RS232 RS422 RS485 transceiver at rates up to 1Mbps Serial port modes are configured by on board jumpers Asecond RS232 serial port is available on a header One RJ45 10 100 Ethernet port with an integrated PoE regulator to allow powering from standard POE PSE POE works with Ethernet xPico modules only XPW 100100K 01 only Mini Type B USB device port connector for 5V input power This port also has an integrated USB to serial converter The USB to serial converter can be connected to the xPico second serial port via a board jumper setting A second Mini type B USB device port is available for connection to the xPico module USB device port Currently available on xPico Wi Fi only xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 7 2 Evaluation Kit LEDs for the xPico Ethernet WLAN and System status outputs along with two additional
7. out TXB RXDA 15 RX1_232 RX 485 5 Ar RI RNA TI FOCADS DCDA 21 Rout am 82 HI DCDi 222 Leave open for 5232 or 4 wire mode 2WIRE 4WIRE SEL 22 apimi RE aL RXB m Install for 2 wire mode out S RURSUS MODE M2 35 Mode 001 RS232 Default ava S Mode 101 4 Wire Full duplex RS485 Mode TX connector Q Mode 100 2 Wire Half Duplex Inverted from SP336 so swap R264 R282 TX and RTS when in R 485 mod 10k 10k PIT4ST1G125 PIT4ST1G125 RS232 485 SEL RS232 485 SEL PIT4ST1G125 RS485 RS232 SEL PIT4ST1G125 RS485 RS232 SEL xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 19 Port 2 Headers Install Jumpers from pins 1 to 2 for DB9 Serial Port 1 JP8 Install Jumpers from pins 2 to 3 for USB Serial Port C24 O 1uF 50 RS 232 Activity LEDs 3v3 C27 0 1 UART acti D1 1N814 c29 0 22uF RI UART D2 1N814 1 TXD1i Pg 2 3 lt j RXD1i Pg 2 3 LEDS TX1 LEDR23 2204 RX1 LEDR24 D3 13914 C31 0 22uF 3v3 1 LED D4 1N814 RX1 LED TX2 LED SMZ 1MOW RX2 LED xPico Wi Fi Embedded Device Server Evaluation Kit User Guide 20 Figure 2 6 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 3 of 5 3v3 RXDB RS232 TIOUT 2 Evaluation Kit C26 D tuF 50v 14 TO 232 SERIAL PORT 2 19 16 2205 10 1
8. 7 2 mozm in BLM15BB220SN 1D 2 Evaluation Kit Figure 2 7 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 4 of 5 Signals in this box need to be isolated by 1500Vrms to all other signals 1 POE veos ol BRE L13 1000pF 100 DDOpF100V 1000 100 1000 100 220 700 POE SP1 Pg 6 5 __ gt Pg 6 SPARE gt 1000pF 1 POE Regulator 2 5 05 5A4V Cele xg POE 12 xl 4 al caa 3 T 12uF 100V 1N4148W EE C37 470pFS0V R32 10 XFMR PoE FA2672 C38 FA2672 AL POE 552 i 100uF TSIN 07 i POE R34 4 99K R36 4090 Ut PS2011 1 53402 48 C4 E lE VNEGPAD VNEG9 R38 C45 0 1 RCL Class Resistor Open Class 0 12 95W max 127 ohm Class 1 3 84W max 69 8 ohm Class 2 6 49W max 45 3 ohm Class 3 12 95W max 30 9 ohm Class 4 POE 17W max GND ISO 45V POE VIN Step up Step Down 2 4Mhz 1 8V to 5 5V IN 3 3V OUT 3V3 L18 1 50 R40 12 1k REGULATOR FOR 3 3V Power and Ground Headers lcs cH ON OFF Switch 5V_USB sw3 B130LAW Slide Switch 36 2985 External Battery JP19 Vet 22V to 5 5V Input Range 0 1uF Connect GND_SIG2 and POWER at a single po
9. D xPico Wi Fi JP5 CP Header SINT Module SW2 amp JP4 Reset Header Switch SW1 amp JP3 Default Header Switch SW4 amp JP16 Wakeup Header Switch a a a a a a a E a d JP 11 RS485 S gm JP12 2 Wire Mode JP17 Port 1 Breakout JP8 amp JP9 Serial Port 2 Header J5 Mini USB Socket used for connecting power 6 Module USB Device Port JP19 2 2 to 5V SW3 Module On Off Switch JP143 3V P15 GND JP18 Serial Port 2 RS232 Table 2 2 Evaluation Board Connectors Header and Switches xPico Module Socket 40 pin socket for xPico module or SMT carrier board XPW100100K 01 and XPCW1002100K only RJ45 Connector 10 100Mbps Ethernet connector PoE powered device port Functional for xPico Ethernet modules XPW 100100K 01 and XPCW1002100K only J3 Serial Port 1 DB9 Standard RS232 RS422 RS485 DB9 serial port connector J5 Mini USB Connector Standard USB device port that can be used to power the evaluation board and or drive the evaluation board USB to serial converter The USB serial port converter can be connected to the module second serial port via a jumper setting J6 Mini USB Connector Standard USB device port that can be used to power the evaluation board and or drive the xPico Module USB device port Functional for xPico Wi Fi module xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 9 2 Evaluation Kit Module Power Jum
10. LANTRONIX xPico Wi Fi Embedded Device Server Evaluation Kit User Guide Part Number 900 643 R Revision D December 2014 Copyright and Trademark 2014 Lantronix Inc All rights reserved No part of the contents of this book may be transmitted or reproduced in any form or by any means without the written permission of Lantronix Lantronix and xPico are registered trademarks of Lantronix Inc in the United States and other countries U S patents 7 309 260 7 698 405 8 024 446 8 219 661 Additional patent s pending Windows is a trademark of Microsoft Corporation Wi Fi is a registered trademark of the Wi Fi Alliance Corporation All other trademarks servicemarks and trade names are the property of their respective owners Warranty For details on the Lantronix warranty policy please go to our Web site at www lantronix com support warranty Contacts Lantronix Inc 167 Technology Drive Irvine CA 92618 USA Phone 949 453 3990 Fax 949 453 3995 Technical Support Online www lantronix com support Sales Offices For a current list of our domestic and international sales offices go to the Lantronix web site at www lantronix com about contact Disclaimer and Revisions Note This product has been designed to comply with the limits for a Class B digital device pursuant to Part 15 of FCC EN55022 Rules when properly enclosed and grounded These limits are designed to provide reasonable protection against r
11. LEDR23 nn 2204 3 4 TX1 LED 5 1 SME2IMOW 3 TX2 LED RX2 LED RXD2 1N914 xPico Wi Fi Embedded Device Server Evaluation Kit User Guide 26 22422 2 Evaluation Kit Figure 2 13 Evaluation Board Schematic for XPCW1003100K Part 5 of 7 POE Regulator 5V_POE Signals in this box need to be isolated by c32 DNP 1000pF 1500Vrms to all other signals 2__ 5 05 C e 6 our POE OUT 12 4 _1 15 DNP_SA4OV car R32 cas DNP 470pFSOV DNP 10 C38 DNP_1pouF DNP 550 6 3 1 42 ONP_1000pF DNP _1000 _1000 DNP_1000pF DNP 2200hm 700mA POE CT POE EROUT Ea DNP 820DpF6 3V L15 4 99K 22Dohm 700mA POE SP1 Do R37 DNP 1K un 52911 1 PNP_o 1uF 45 01 u12 DNP_ZR431L 1 48 DNP_0 47uF25V RCL Class Resistor Open Class 0 12 95W max 127 ohm Class 1 3 84W max 69 8 ohm Class 2 6 49W max 45 3 ohm Class 3 12 95W max 30 9 ohm Class 4 POE 17W max ND 150 DNP 1000pF 3kV SV POE VIN REGULATOR FOR 3 3V DNP B130LAW Power and Ground Headers Step up Step Down 2 4Mhz 1 8V to 5 5V 3 3V OUT W3 cs JP14 JP15 nant ON OFF Switch 5V_USB 9 Bi30LAW Silde Switch ava Ds m LEDIO M LED BLUE VUSB DEV 10uF
12. LEDs that can be driven via jumper wire are provided Access to all logic level IO signals on the via header pins for measurements and connections to other places The figure below shows the xPico evaluation board and highlights all of the various connectors and configuration jumpers The following table lists each of the connectors and jumper headers along with their function Further description and pin assignments are included subsequent sections Figure 2 1 xPico Wi Fi Evaluation Board XPW100100K 01 Connectors and Jumpers SW1and SW2and SWA and JP3 JP4 JP16 xPico Wi Fi JP1 Default Reset Wakeup Module Current Header Header Header Sense Switch Switch Switch LP6 LED Header JP7 Spare LED JP5 CP Header WW RP SMA for Antenna 11 RS485 Mode J2 E 4 3 2 4 12 2 Wire Mode Power a Serial Port 1 Arba RS232 RS485 RS422 JP19 2 2 to 5V FP EMER Input Power d 41 J6 Module USB Device Port J5 USB to h 3 UART Port u Enn WO ne 103 d LANISONIXO 22 1 b JP8 R207 330 271 R Rev A t JP20 JP18 14 15 JP9 SW3 Analog Serial 3 3V GND Module Header Port 2 On Off RS232 Switch xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 8 2 Evaluation Kit Figure 2 2 xPico Wi Fi SMT Evaluation Board XPW100300K Connectors and Jumpers JP7 Spare LE
13. P4 pin 1 Module hardware reset Install jumper JP4 pins 1 to 2 to use SW2 active low for asserting hardware reset 14 JP16 pin 1 Module wake up rising edge Install jumper JP16 pins 1 to 2 to use SW4 triggered for asserting module wake up Do not install when using xPico wired Ethernet Duplex LED signal 35 JP5 pin 1 CP1 configurable pin Test point 26 JP5 pin 2 CP2 configurable pin Test point 28 JP5 pin 3 CP3 configurable pin Test point 30 JP5 pin 4 CP4 configurable pin Test point 32 JP5 pin 5 CP5 configurable pin Test point 34 JP5 pin 6 CP6 configurable pin Test point 27 JP5 pin 7 CP7 configurable pin Test point 3 JP5 pin 8 CP8 configurable pin Test point xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 17 Evaluation Board Schematic XPW100100K 01 and XPCW1002100K Figure 2 4 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 1 of 5 Current Sense JP1 i PICO Socket J1 3V3_M Install for WiFi Version only iu RTS T Pg34 XDI ct I c2 ca T E 2 gt C234 C235 PB o T 0 1uF T vF zu 10uF 10V ERX ERX Pod RXD2 4 TXD2 VUSB DEV Diode Array Le through device DNP_0 1uF Push for Wake stall for ESD Protection USB DEVICE PORT CONN_USB_MINI 9 Install to use HW reset button Route the DDx pair 90 ohm DNP
14. RS485 mode Las pe vif PI74ST1G125 PI74ST1G125 RS232 485 SEL RS232 485 SEL 3v3 This signal is low in RS485 mode This signal is low in R 485 mo on o 0 1uF ut z PI74ST1G125 PI74ST1G125 RS485 RS232 SEL This signal is low in RS232 mode RS485 RS232 SEL 2 Evaluation Kit SERIAL PORT 1 R1 out R1 in RXA R2 out R2 in RXA R3 ou RXB Q in_RXB R4 out R4 in MODE MO M1 M2 Mode 001 RS232 Default Mode 101 4 Wire Full duplex Mode 100 2 Wire Half Duplex w3 ava O tuF O tuF C c2 stew HS Mode 0 Mode_1 Mode 2 1 1 out TXA LZ xi 23NTXG85 Cim TXENA T out TXA Hp AL 2321485 L3 v y y BUM 51 2320 7485 14 B RXi 232 RX 485 15 yyy BUM xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 25 2 Evaluation Kit Figure 2 12 Evaluation Board Schematic for XPCW1003100K Part 4 of 7 1 0 1uF C23 Port 2 Headers 0 tuF 50 SERIAL PORT 2 JY Install Jumpers from pins 1 to 2 for DB9 Serial Port 1 Install Jumpers from pins 2 to 3 for USB Serial Port JPa 0 1uF 50 1 RXDB 1 RS232 Pg2 2 Pg2 RXD2 i TIN Pg7 USB TX 2 RX2 232 111 15 2205 10 HEADER 3 TXD Pg 2 3 RXD Pg 2 3 LEDS 3v3 TXI
15. Serial port DTR1 8 RS232 DTR 16 Serial port CTS1 or configurable pin 10 RS232 CTS 30 Confgurable pin CP4 or Serial port DCD1 42 RS232 DCD Note JP17 jumpers 7 to 8 and 11 to 12 are not installed by default All other JP17 jumpers are installed at the factory Table 2 9 JP8 and JP9 Port 2 Serial or USB Serial Selection Headers Serial Port 2 to JP18 for RS232 Default Jumper pins 1 to 2 Jumper pins 1 to 2 Serial Port 2 to JS USB via USB to serial converter Jumper pins 2 to 3 Jumper pins 2 to 3 xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 13 2 Evaluation Kit Figure 2 3 JP8 JP9 and JP17 Headers 1000004000466 R24 ji J N R26 Ez 4 iT 1R27 9027 fara Wi Cu R30 R25 R3l E ur LIE 90 wo RXD2 IXu Se us TREZ Uto Antenna Port The xPico evaluation boards XPW 100100K 01 and XPCW 1002100K includes a bracket for mounting the U FL to Reverse Polarity SMA RF cable included with the kit Follow the procedure below when installing the antenna cable The same procedure applies when using the PCB strip antenna with the exception that the swivel antenna does not need to be connected to the RF cable 1 Attach the U FL cable to the antenna prior to installing the xPico Wi Fi module on the J1 socket 2 Attach the plastic mounting clip to the module 3 Install the
16. able can be used to connect J3 directly toa standard PC RS232 serial port The tables below list the RS232 RS422 RS485 signals and corresponding pins on the evaluation board DB9 connectors All signals at J3 are level shifted by a multiprotocol transceiver JP18 is an RS232 port only Table 2 3 RS 232 Signals on J3 Serial Port TX 232 Data Out RX 232 Data In CTS 232 HW Flow Control Input RTS 232 HW Flow Control Output 232 Modem Control Output DCD 232 Modem Control Input GND Ground xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 11 2 Evaluation Kit Table 2 4 RS 422 4 Wire Signals on J3 Serial Port TX Data Out RX Data In TX Data Out RX Data In GND Ground Table 2 5 RS 485 2 Wire Signals on J3 Serial Ports TX RX Data IO TX RX Data 10 GND Ground The J3 DB9 port is configured for RS232 RS422 4 wire or RS485 2 wire by jumper settings on JP11 and JP12 Table 2 5 lists the correct jumper installation for each mode Table 2 6 JP11 and JP12 Jumper Settings for Serial Port 1 J3 RS232 Default RS485 2 wire RS422 4 wire JP18 is for connection to the module second serial port through an RS232 transceiver The pin assignments for JP18 are listed below Table 2 7 JP18 Serial Port 2 RS232 Connections TX RS232 output Signal Ground RX RS232 input All of the xPico module serial port signals can be used as configurable p
17. adio interference ina residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with this guide may cause interference to radio communications Changes or modifications to this device not explicitly approved by Lantronix will void the user s authority to operate this device The information in this guide may change without notice The manufacturer assumes no responsibility for any errors that may appear in this guide xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide Revision History July 2013 Initial document August 2013 B Added xPico Wi Fi module information August 2013 Updated pin number information December 2014 Updated Lantronix evaluation board information added the new evaluation board schematic for SMT part with on module antenna xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 3 Table of Contents Copyright and Trademark 2 Warranty 2 Contacts 2 Disclaimer and Revisions 2 Revision History 3 List of Figures 5 List of Tables 5 Introduction 6 About this Guide 6 Additional Documentation 6 Evaluation Kit 7 Evaluation Board Description 7 Serial Port 1 RS232 RS485 and Serial Port 2 RS232 Interface 11 Antenna Port 14 Power Supply 15 LEDs 16 Additional Headers 17 Evaluation Board Schematic XPW 100100K 01 and XPCW1002100K 18 Evaluation Boar
18. ccess to the internal signal ground rail WAKE Header Allows access to module WAKE signal and SW4 push button Install to use SW4 to wake up the xPico module when in low power modes Serial Port 1 Breakout Header Install jumpers to connect xPico Serial Port 1 flow control signals to the RS232 RS422 RS485 transceiver for Serial Port 1 Serial Port 2 Signal Header Provides access to the module second serial port The signals on this header have been buffered by an RS232 transceiver xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 10 2 Evaluation Kit External Power Header Provides connection point for an external 2 2V to 5 5V power source such as a battery This is connected to a 3 3V step up down regulator that will power the evaluation board and module circuitry Module Reset to Default When pushed asserts the xPico module reset to default function Module Hardware Reset When pushed asserts the xPico module hardware reset to reboot the module Board Power Switch Switches ON or OFF the logic power rails WAKE Button When pushed asserts the xPico module WAKE signal Functional for xPico Wi Fi module only Serial Port 1 RS232 RS485 and Serial Port 2 RS232 Interface The evaluation board has one multiprotocol RS 232 RS422 RS485 port and one RS232 port for connection to the xPico internal UARTs Serial port 1 is a DB9 type connector labeled J3 Serial Port 2 is a 3 pin header JP18 The null modem c
19. ction clear of other nets so00pF 2KV Use 20 mil trace on RXCT and TXCT Void area under Magnetic and RJ45 Jack of all signals except the signals from the TR Magnetic to the 45 xPico Wi Fi Embedded Device Server Evaluation Kit User Guide 22 2 Evaluation Kit Evaluation Board Schematic XPCW1003100K Figure 2 9 Evaluation Board Schematic for XPCW1003100K Part 1 of 7 xPico SMT Footprint Antenna U FL to SMA antenna cable TXD1 RXD1 TX RX RTS CTS DTR DCD raters 2 2 SB DEV CP3 CPA USB Device JP8 JP9 U8 RS232 JP18 Header Port USB TXD2 RXD2 Breakout Transceiver COM Port 2 Header 09 LED8 9 Serial LEDs JP5 015 45 USB USB to Serial Device Port Converter SW4 Wake Button 1 to CP8 JP20 Analog J2 CP5 CP6 Input Header RJ45 h 10 100Mbps Ethernet Ethernet Magnetics DEFAULTS RESET SYSTEM TAG PADs STATUS SW1 SW2 Reset Buttons LED1 Status JP7 Spare LED Header U71 Step Up Down 3 3V Out Regulator VUSB DEV Battery Battery Header Power Inputs from USB Ethernet Battery xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 23 2 Evaluation Kit Figure 2 10 Evaluation Board Schematic for XPCW1003100K Part 2 of 7 Current Sense TXD Pg 34 RXD RE Pg3 lt
20. d Schematic XPCW 1003100K 23 xPico amp Wi Fi amp Embedded Device Server Evaluation Kit User Guide 4 List of Figures Figure 2 1 xPico Wi Fi Evaluation Board XPW100100K 01 Connectors and Jumpers 8 Figure 2 2 xPico Wi Fi SMT Evaluation Board XPW100300K Connectors and Jumpers _ 9 Figure 2 3 JP8 JP9 and JP17 Headers Figure 2 4 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 1 of 5 Figure 2 5 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 2 of 5 Figure 2 6 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 3 of 5 Figure 2 7 Evaluation Board Schematic for XPW 100100K 01 and XPCW 1002100K Part 4 of 5 Figure 2 8 Evaluation Board Schematic for XPW 100100K 01 and XPCW 1002100K Part 5 of 5 Figure 2 9 Evaluation Board Schematic for XPCW 1003100K Part 1 of 7 Figure 2 10 Evaluation Board Schematic for XPCW 1003100K Part 2 of 7 Figure 2 11 Evaluation Board Schematic for XPCW 1003100K Part 3 of 7 Figure 2 12 Evaluation Board Schematic for XPCW 1003100K Part 4 of 7 Figure 2 13 Evaluation Board Schematic for XPCW 1003100K Part 5 of 7 Figure 2 14 Evaluation Board Schematic for XPCW 1003100K Part 6 of 7 Figure 2 15 Evaluation Board Schematic for XPCW 1003100K Part 7 of 7 List of Tables Table 2 1 xPico Wi Fi Evaluation Kit Contents 14 18 19 20 21 22 23 24 25 26 27 28 29 7 Table 2 2 Evaluation Board C
21. dditional Documentation Visit the Lantronix web site at www lantronix com support documentation for the latest documentation and the following additional documentation xPico Wi Fi Embedded Device Instructions for getting the xPico module up and running on the Server Evaluation Kit Quick Start evaluation board Guide xPico Embedded Device Server Provides information for integrating the xPico module on a Integration Guide customer platform xPico Wi Fi SMT Embedded Device Provides information for integrating the xPico Wi Fi SMT module on Server Integration Guide a customer platform xPico Embedded Device Server Provides a quick reference to xPico technical specifications Product Brief xPico Wi Fi Embedded Device Provides a quick reference to xPico Wi Fi technical specifications Server Product Brief xPico Wi Fi SMT Embedded Device Provides a quick reference to xPico Wi Fi SMT technical Server Product Brief specifications xPico Wi Fi SMT Embedded Device Provides a detailed reference to xPico Wi Fi SMT technical Server Datasheet specifications xPico Embedded Device Server Provides information needed to configure use and build User Guide applications on the xPico xPico Wi Fi Embedded Device Provides information needed to configure use and build Server User Guide applications on the xPico Wi Fi xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 2 Evaluation Kit The xPico Embedded Device Serve
22. ins Jumper headers JP17 JP8 and JP9 have been included to allow for each of the serial port signals to be connected or disconnected from the serial port transceiver The tables below list the JP17 JP8 and JP9 serial port signal connections Install jumper or remove as needed for desired function In addition the second serial port on the xPico module can be connected to either the serial port on J18 or to the USB on J5 via the on board USB to serial converter Jumpers JP8 and JP9 allow for the selection of sending the JP18 or J5 USB to Serial converter to Serial Port 1 xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 12 2 Evaluation Kit In order to access the unit through the J5 USB port you will need to install the USB to serial VCP driver from FTDI on your PC It is available in the installation directory of Devicelnstaller and later versions for installation It can also be obtained from the FTDI website provided below Once installed you will be able to view the xPico boot messages as well as provide command inputs through any PC terminal program such as Tera Term Download FTDI USB to serial drivers at this website http www ftdichip com Drivers VCP htm Table 2 8 JP17 Serial Port 1 Flow Control Break Out Header 7 SerilPort TX output RS232 RS485 TX 7 Serial port RX input RS232 RS485 RX Serial port RTS1 or TX enable or RS232 RTS RS485 TX oes pin Enable 28 Configurable pin or
23. int near pin 9 1 010 LED BLUE C57 10uF 1 10V d 10 4 Power LED R285 DNP 0 R45 470 Use resistor divider to set ouptut for TPS63030 adjustable Connected FB to VOUT for TPS63031 fixed 3 3 6102 45V POE TuH1 5A C39 560uF6 3V I200pF6 3V R37 1K Place one resistor near each Mounting Hole xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 21 2 Evaluation Kit Figure 2 8 Evaluation Board Schematic for XPW100100K 01 and XPCW1002100K Part 5 of 5 VUSB USB Power Switch Stuff option to Turn VUSB VUSB 3V3 VUSB 3V3 power on only after Mm port negotiation E Diode Array Route through device La Install for ESD Protection USB DEBUG PORT USB TXPg4 USB RXPg4 R46 DNP 0 USB TO SERIAL DEVICE Route the SDDx pair as 90 ohm differential net on a layer next to the ground plane inimize the use of Vias and keep clear of other nets ESD Protection u1 me com 1 54 RClamp0502A RDe ah E Ethernet Diode Array mr Route through device Install for ESD Protection Connector SP1 MHI 5 1 Pg 2 lt ERX aa Route the Ethernet Differential pairs as 100 ohm differential nets on a layer Diode Array next to the ground plane 10 Route through device Minimize ihe use of Vias and keep Install for ESD Prote
24. module SMT module on carrier board into the J1 socket 4 Install the external antenna to the SMA end of the RF cable Note Install or remove the antenna connections only while the module is powered off xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 14 2 Evaluation Kit Ethernet Port The xPico evaluation board XPW100100K 01 includes one RJ45 with on board magnetics for connection to the xPico module 10 100Mbps Ethernet interface Connector J2 is the Ethernet port Note The Ethernet port is functional for xPico Ethernet modules only Power Supply The evaluation board provides several options for input power Included with the kit is a 5V wall adapter The 5V wall adapter plugs into USB connector J5 In addition to powering from the wall adapter the evaluation board can be powered from a standard PC USB Host port by connecting a USB cable between the PC and J5 or J6 The XPW100100K 01 evaluation board can also be powered via Power Over Ethernet PoE The integrated PoE regulator accepts power from the Ethernet port on J2 The final option is to connect DC power to header JP19 Table 2 10 Evaluation Board Power Options 5V Wall Cube Connect 5V wall cube to J5 or J6 USB port Note USB to serial and USB device port not available in this option USB Connect J5 or J6 USB power to a PC USB Host Port Note For J5 connection PC Host port can communicate with serial port 2 via on board USB to serial converte
25. onnectors Header and Switches 9 Table 2 3 RS 232 Signals on J3 Serial Port Table 2 4 RS 422 4 Wire Signals on J3 Serial Port Table 2 5 RS 485 2 Wire Signals on J3 Serial Ports Table 2 6 JP11 and JP12 Jumper Settings for Serial Port 1 J3 Table 2 7 JP18 Serial Port 2 RS232 Connections Table 2 8 JP17 Serial Port 1 Flow Control Break Out Header Table 2 9 JP8 and JP9 Port 2 Serial or USB Serial Selection Headers Table 2 10 Evaluation Board Power Options Table 2 11 LEDs Signals Table 2 12 JP6 LED Header Connections XPW 100100K 01 and XPCW1002100K ____ Table 2 13 JP6 LED Header Connections XPW 100300K Table 2 14 Additional Headers xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 11 12 12 12 12 13 13 15 16 17 17 17 1 Introduction About this Guide This guide provides the information needed to use the Lantronix xPico embedded device server with the evaluation kit The intended audience is the engineers responsible for integrating the xPico and xPico Wi Fi into their product In this document refers to all xPico Ethernet only modules xPico Wi Fi refers to all xPico modules which have a Wi Fi interface and xPico Wi Fi SMT refer to those modules with a surface mount mounting Notes Everything required to evaluate the xPico turnkey application is provided in the Evaluation Kit See xPico Wi Fi Evaluation Kit Contents for more information A
26. per Allows for voltage measurement of the xPico module current sense resistor The current sense resistor is 0 301 ohms Default Button Jumper Allows access to module reset to default signal and 5 1 push button Install to use SW1 as reset to default button HW Reset Button Jumper Allows access to module HW reset signal and SW2 push button Install to use SW2 as HW reset button Configurable Pin Header Provides access to xPico module configurable pins CP1 to CP8 Ethernet WLAN LED Header Allows access to Ethernet WLAN LED signals Install to drive evaluation board Ethernet WLAN LEDs with module LED signals XPW 100100K 01 and XPCW 1002100K Reserved for future Ethernet activity LED XPCW1003100k Spare LED Header Provides two additional LEDs Jumper to desired active low signal to light LED6 LED7 Serial Port 2 TX Source Header Install jumper to select between DB9 serial port or USB to serial Serial Port 2 RX Source Header Install jumper to select between DB9 serial port or USB to serial WLAN LED Header XPCW1003100K Allows access to WLAN LED signal Install to drive evaluation board WLAN LEDs with module LED signals Serial Port 1 RS232 RS422 RS485 Mode Jumper Leave open for RS232 mode Install for RS422 RS485 Serial Port 1 RS422 RS485 Mode Jumper Leave open for RS232 or 4 wire mode Install for 2 wire mode JP14 3 3V Power Header Provides access to the internal 3 3V power rail JP15 Ground Header Provides a
27. r See Table 2 1 for JP8 and JP9 jumper pin selection Note For J6 connection PC can communicate with module device port on xPico Wi Fi module PoE Connect J2 Ethernet port to external PoE PSE switch or PoE injector XPW 100100K 01 only JP19 Connect a 2 2V to 5 5V DC power source to JP19 pin 1 Connect the power supply DC ground to JP19 pin 2 xPico amp Wi Fi Embedded Device Server Evaluation Kit User Guide 15 2 Evaluation Kit LEDs The xPico evaluation board includes several LEDs for signal and unit status The table below lists all of the LEDs and their functions Table 2 11 LEDs Signals xPico Status LED blinks with patterns indicating module status See the xPico user guide for a full description of the status LED blink patterns Ethernet Link WLAN Status LED is ON when the device is associated with an access point on the STA interface LED is OFF when the device is not associated with an access point LED is ON when there is a valid Ethernet link XPW 100100K 01 Ethernet Speed XPW100100K 01 LED is ON when Ethernet is in 100Mbps mode xPico with Ethernet only Ethernet Activity XPW100100K 01 LED blinks when there is activity on the Ethernet port xPico with Ethernet only Ethernet Duplex XPW100100K 01 LED is ON when Ethernet is in half duplex mode xPico with Ethernet only Spare LED LED is ON when JP7 pin 1 is driven low Spare LED LED is ON when JP7 pin 2 is driven low
28. r family of products can be evaluated using several available Evaluation Kits depending upon the type of PCB mounting and interface The xPico Embedded Device Server Evaluation Kit part number 100100 01 is for evaluating the xPico and xPico Wi Fi modules with 40 pin connector interface The xPico Wi Fi SMT module with on module antenna XPCW 1003100 module uses the XPCW10031 00K The xPico Wi Fi SMT module with U FL connector comes on a carrier board that uses the same board as the used for the connector versions of the module This Evaluation Kit is the XPCW 1002100K All of these kits can help you get familiar with your xPico module so that you may understand how to integrate your xPico embedded device server into a given product design Table 2 1 xPico Wi Fi Evaluation Kit Contents xPico Wi Fi Module xPico Wi Fi SMT W1002 xPico Wi Fi SMT W1003 xPico Evaluation Board Module on Carrier Board Module 5V Wall Adaptor xPico Evaluation Board xPico SMT Evaluation Board xPico Mounting Quick Clip 5V Wall Adaptor 5V Wall Adaptor 40 pin Connector Sample 2dBi Swivel Type Antenna 2dBi Swivel Type Antenna Abie and U FL to RP SMA Cable 2 5 dBi PCB Strip Antenna 2 5 dBi PCB Strip Antenna with U FLicable with U FL cable Evaluation Board Description The xPico Wi Fi evaluation board provides a test platform for the Lantronix xPico device server products The evaluation
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