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2: Functional Description

xPico® Embedded Device Server Integration Guide

Figure 2-8 Serial Port Example

Table 2-9 RS232 Connections (Serial Transceiver Required)

xPico Signal

DCE Connector

DTE Connector

Signal

(Logic)

Description

DB9 DB25

Signal

DB9

DB25

Signal

RXDx

Data In

RXDx

TXDx

Data Out

TXDx

RXDx

RTSx

H/W Flow Control Output

RTSx

CTSx

H/W Flow Control Input

CTSx

RTSx

CPx

Modem Control Input

DCDx

DTRx

CPy

Modem Control Output

DTRx

DCDx

Table 2-10 RS422/485 Connections (Serial Transceiver Required)

xPico

Signal

(logic)

Description RS485

Signal

DB25 4

Wire

DB25 2

Wire

DB9 4

wire

DB9 2

wire

TXDx

Data Out

TX+485

TXDx

Data Out

TX-485

RXDx

Data In

RX+485

RXDx

Data In

RX-485

RTSx

TX Enable

CPx

RS485 Select

CPy

RS485 2-wire

Note:

The IO pins for xPico Wi-Fi embedded device server are set to floating

input on power up until configured by unit firmware. An external 100K ohm pull-

up may be required on the serial transmit signal to prevent downstream UART

devices from detecting false characters on initial power up.

Содержание xPico 900-619

Страница 1: ...Part Number 900 619 Revision L September 2017 xPico Embedded Device Server Integration Guide ...

Страница 2: ...es no obligation to update the information in this publication Lantronix does not make and specifically disclaims all warranties of any kind express implied or otherwise regarding title non infringement fitness quality accuracy completeness usefulness suitability or performance of the information provided herein Lantronix shall have no liability whatsoever to any user for any damages losses and ca...

Страница 3: ... antennas listed in the Certificate and having a maximum gain of 2 88 dBi Antennas not included in this list or having a gain greater than 2 88 dBi are strictly prohibited for use with this device unless system level FCC approval is gained The required antenna impedance is 50 ohms To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equiv...

Страница 4: ...the reference schematic mounting instructions and compliance information January 2013 C Updated xPico pin out diagram July 2013 D Updated to include xPico Wi Fi part information August 2013 E Updated to include Japanese certification number January 2014 F Updated reference schematic information February 2014 G Updated for firmware version 1 1 0 2R10 June 2014 H Updated Lantronix part number inform...

Страница 5: ...___________________________ 15 Mating Connector ___________________________________________________ 19 Antenna Interface xPico Wi Fi Units Only _______________________________ 19 Antenna Placement xPico Wi Fi Units Only ______________________________ 21 Ethernet Interface xPico Wired Units Only _______________________________ 21 Serial Interface ____________________________________________________...

Страница 6: ...__________ 25 Figure 2 10 Evaluation Board Schematic Part 1 of 5 _______________________ 28 Figure 2 11 Evaluation Board Schematic Part 2 of 5 _______________________ 29 Figure 2 12 Evaluation Board Schematic Part 3 of 5 _______________________ 30 Figure 2 13 Evaluation Board Schematic Part 4 of 5 _______________________ 31 Figure 2 14 Evaluation Board Schematic Part 5 of 5 _______________________...

Страница 7: ...eiver Required ________________ 24 Table 2 10 RS422 485 Connections Serial Transceiver Required ____________ 24 Table 2 11 USB Host Port Signals______________________________________ 25 Table 2 12 xPico Wi Fi Status LED Output Signals_________________________ 26 Table 2 13 xPico Status LED Output Signals _____________________________ 26 Table 2 14 Ethernet Interface xPico Serial Port Signals _____...

Страница 8: ... xPico Wi Fi SMT Embedded Device Server Integration Guide The sections in chapter 2 provide board schematic and layout recommendations for both xPico wired and xPico Wi Fi products Some of the sections apply to xPico wired only or xPico Wi Fi units only Signals that are unused for a particular product can be left floating If the application has the potential to use both components as a stuff optio...

Страница 9: ...ovides information needed to configure use and update the xPico Wi Fi firmware xPico Embedded Device Server Development Kit Quick Start Provides the steps for getting the xPico device server up and running xPico Embedded Device Server Development Kit User Guide Provides a detailed description of the xPico evaluation kit hardware APS Modbus Protocol User Guide Provides detailed information for inst...

Страница 10: ...can be utilized in designs typically intended for chip solutions A key difference with the xPico device server is that there is virtually no need to write a single line of code translating to a much lower development cost and faster time to market Table 2 1 xPico Part Numbers Part Number Description XPC100100B 01 xPico Device Server Module Extended Temp AES Encryption Bulk RoHS XPC100100S 01 xPico...

Страница 11: ...equires 3 3 volt power and is designed to operate in an extended temperature range see technical data xPico Wi Fi Features The xPico Wi Fi device server contains Cortex M3 ARM processor with 128KByte of SRAM and 1MByte of embedded Flash memory The unit also includes an 802 11 b g n WLAN radio with a U FL port for connection to an external antenna The xPico Wi Fi embedded device server also contain...

Страница 12: ...2 Functional Description xPico Embedded Device Server Integration Guide 12 Figure 2 1 xPico and xPico Wi Fi Dimensions and Views xPico Unit xPico Wi Fi Unit ...

Страница 13: ...on xPico Embedded Device Server Integration Guide 13 xPico Block Diagram The following drawing is a block diagram of the xPico embedded device server showing the relationships of the components Figure 2 2 xPico Block Diagram ...

Страница 14: ...i Fi embedded device server showing the relationships of the components Figure 2 3 xPico Wi Fi Block Diagram DC Power 3 3V 8 Mb Serial Flash Cortex M3 Processor To external USB Device 3 3V Serial 1 GPIO SPI 40 Pin Connector Interface USB To external processor logic To external LED SYSTEM LED RESET DEFAULTS WAKE 802 11 b g n Chipset U FL to external antenna ...

Страница 15: ...equired to interface the xPico embedded device server to a standard 10 100Mbps Ethernet network An external antenna attached to the xPico Wi Fi U FL connector is required to connect to an 802 11b g n wireless network Shown below is the xPico pin connection diagram highlighting the differences between the xPico and xPico Wi Fi embedded device server Table 2 2 xPico and xPico Wi Fi Pin Connections P...

Страница 16: ...ial transmit data output 1 Output 2mA TX 11 Ethernet transmit differential neg Output TCT 12 Ethernet transmit center tap TX 13 Ethernet transmit differential pos Output LED3 DUPLEX 14 Ethernet Duplex LED active low Output 8mA GND 15 Signal Ground CTS1 16 Serial Clear to Send Input Active 56K to 122K RX 17 Ethernet receive differential neg Input RCT 18 Ethernet receive center tap RX 19 Ethernet re...

Страница 17: ... reset unit to default settings Input Active 56K to 122K GND 37 Signal Ground EXT_RESET 38 Unit hardware reset active low Drive low to reboot unit Input 10K GND 39 Signal Ground GND 40 Signal Ground Table 2 4 xPico Wi Fi PCB Interface Signals Signal Name xPico Pin Primary Function Reset State Internal Pull up Pull down Driver Strength GND 1 Signal Ground GND 2 Signal Ground CP8 SPI_CS 1 3 Configur...

Страница 18: ...2 Input floating 30K to 50K DDM 2 24 USB Negative TXD2 25 Serial transmit data output 2 Input floating 30K to 50K 8mA CP2 INT 1 26 Configurable I O External interrupt input Input floating 30K to 50K 8mA CP7 SPI_SCK 1 27 Configurable I O SPI Clock Input floating 30K to 50K 8mA CP3 MISO 1 28 Configurable I O SPI Master In Slave Out Input floating 30K to 50K 8mA 3V3 29 3 3V Input Power CP4 MOSI 1 30 ...

Страница 19: ...The IO pins on xPico Wi Fi embedded device server are configured as floating input on reset until configured by firmware For applications requiring a high signal on power up an external pull up may be required or removeable jumper Note 7 It is highly recommended to connect RTS and CTS for serial port 1 Note For integration information for Lantronix xPico Wi Fi SMT embedded device server modules XP...

Страница 20: ...ce The Ethertronics part numbers listed above come with a 50mm U FL cable attached to the PCB strip antenna The 50mm cable length is the minimum allowed cable length for use with the xPico Wi Fi embedded device server For similar PCB strip antennas with longer cables consult with Ethertronics Inc www ethertronics com Lantronix provides a U FL to Reverse SMA antenna cable in with the evaluation boa...

Страница 21: ...HY An external magnetic module and RJ45 is required in order to connect to a standard 10 100Mbps Ethernet network Table 2 6 Ethernet Interface Signals Signal Name DIR Contact Primary Function Signal Requirement TX Out 13 Differential Ethernet transmit data 100 ohm differential with TX TX Out 11 Differential Ethernet transmit data 100 ohm differential with TX RX In 19 Differential Ethernet receive ...

Страница 22: ...mper ferrite beads or decoupling caps to be installed as needed for EMI EMC improvement The Ethernet LED signals should be routed to discrete LEDs or to the LED pins on the RJ45 through 220 ohm or larger resistors The LED signals are active low The Ethernet LED signals should be isolated from the signals that connect between the RJ45 and magnetic module Also shown in the reference schematic is a r...

Страница 23: ... Exar part number SP336 This transceiver is a multiprotocol RS232 RS485 RS422 transceiver Single protocol transceivers may be used as required The xPico interface may also be directly connected to the UART interface of an external CPU Serial Port 2 is a three wire interface only It operates like Serial Port 1 except it does not support hardware Flow Control i e no RTS CTS and modem control i e no ...

Страница 24: ...Rx CPy Modem Control Output 4 20 DTRx 1 8 DCDx Table 2 10 RS422 485 Connections Serial Transceiver Required xPico Signal logic Description RS485 Signal DB25 4 Wire DB25 2 Wire DB9 4 wire DB9 2 wire TXDx Data Out TX 485 14 14 7 7 TXDx Data Out TX 485 15 15 3 3 RXDx Data In RX 485 21 14 2 7 RXDx Data In RX 485 22 15 8 3 RTSx TX Enable CPx RS485 Select CPy RS485 2 wire Note The IO pins for xPico Wi F...

Страница 25: ... ESD array shown in the figure is of type Semtech RCIamp0502A This device features through pin routing to minimize trace impedance changes and simplify routing The footprint for the TVS array can be added to the PCB and the part can be depopulated if it is not needed It is recommended that the power drawn off the USB Mini Type B connector be limited to less than 500mA per USB requirements If the U...

Страница 26: ...4 Ethernet Link LED active low LED2 ACTIVITY 8 Ethernet Activity LED active low LED3 DUPLEX 14 Ethernet Duplex LED active low SYSTEM_LED 20 System status LED active high General Purpose I O Pins xPico and xPico Wi Fi unit contains eight pins which may be used as configurable inputs or outputs Listed below are the configurable I O pins These pins are 3 3V CMOS logic level and 5V input tolerant Tabl...

Страница 27: ...rnal pull up EXT_RESET 38 Unit hardware reset active low Assert low for a minimum of 50 milliseconds then release to reboot unit Signal may be left floating Input 10K xPico unit 40K xPico Wi Fi unit DEFAULT 36 Unit reset to default active low For wired xPico units Drive low and reboot the device to reset unit to factory defaults For xPico Wi Fi units While device is running drive low for greater t...

Страница 28: ...2 Functional Description xPico Embedded Device Server Integration Guide 28 Evaluation Board Schematics Figure 2 10 Evaluation Board Schematic Part 1 of 5 ...

Страница 29: ...2 Functional Description xPico Embedded Device Server Integration Guide 29 Figure 2 11 Evaluation Board Schematic Part 2 of 5 ...

Страница 30: ...2 Functional Description xPico Embedded Device Server Integration Guide 30 Figure 2 12 Evaluation Board Schematic Part 3 of 5 ...

Страница 31: ...2 Functional Description xPico Embedded Device Server Integration Guide 31 Figure 2 13 Evaluation Board Schematic Part 4 of 5 ...

Страница 32: ...2 Functional Description xPico Embedded Device Server Integration Guide 32 Figure 2 14 Evaluation Board Schematic Part 5 of 5 ...

Страница 33: ...es below are used to demonstrate installation For temperature environments up to 85 Celsius it is recommended that the mating PCB have its outer layers flooded with signal ground and a heat pad be placed between the module and mating PCB The recommended heat pad is Lantronix part number XPC100A002 01 B The ground flooding and heat pad are only required for xPico Wi Fi units in environments above 7...

Страница 34: ...le to the module U FL connector prior to installing the Quick Clip 2 Push the legs of the white clip inward to secure the module to the clip 3 Flip over the module mounting clip combination so that the product label displays on top and the white mounting clip legs are pointed downward 4 For xPico Wi Fi embedded device server high temperature operation above 70C it is recommended to place a heat pa...

Страница 35: ...tly push down on the xPico module above the J1 connector Keep the module as level as possible during installation Note When removing the xPico embedded device server from the evaluation board gently tug the module Do not use excessive force or attempt to remove the xPico module by grasping and pulling the module from the short end opposite the module connector as this may cause damage to the J1 ev...

Страница 36: ...3 Mounting Instructions and PCB Footprint xPico Embedded Device Server Integration Guide 36 Figure 3 3 Mounting Instructions for PEM Standoff ...

Страница 37: ...3 Mounting Instructions and PCB Footprint xPico Embedded Device Server Integration Guide 37 Figure 3 4 Hirose Connector Layout ...

Страница 38: ...country of origin datamatrix barcode and MAC address Figure 3 5 xPico Product Label Figure 3 6 xPico Wi Fi Product Label Part Number Manufacturing Date Code Lantronix Datamatrix Barcode Product Model Country of Origin Revision MAC Address Product Model FCC Radio ID Lantronix Datamatrix Barcode Japan Certification Number Serial Number Country of Origin Part Number Japan Radio Equipment Mark Japan T...

Страница 39: ...ating Conditions Parameter Symbol Min Typical Max Units Supply Voltage VCC 3 15 3 3 3 46 Vdc Supply Voltage Ripples VCC_PP 2 100 BaseTX Active Normal CPU Speed ICC 200 mA 10 BaseT Active Normal CPU Speed ICC 220 mA No Link Normal CPU Speed ICC 150 mA 100 BaseTX Active High CPU Speed ICC 240 mA 10 BaseT Active High CPU Speed ICC 260 mA No Link High CPU Speed ICC 190 mA 100 BaseTX Active Low CPU Spe...

Страница 40: ... RX Power 802 11g 54Mbps ICC 125 150 mA RX Power 802 11n MCS7 ICC 125 150 mA Power Management State 1 25 C ICC 6 μA Power Management State 1 85 C ICC 12 μA Power Management State 1 40 C ICC 5 μA Supply Reset Threshold VRST Vdc CPx Pull ups Pull downs RPU 30 40 50 Kohm CPx RX Input Low Voltage VCP_IL 0 3 0 75 Vdc CPx RX 1 Input High Voltage VCP_IH 2 5 5 Vdc CPx TX Output Low Voltage IOL 4 mA VCP_OL...

Страница 41: ...ins software selectable sink or source 4mA max Network Interface 10 100Mbps Ethernet requires external magnetics and RJ45 Compatibility Ethernet Version 2 0 IEEE 802 3 electrical Ethernet II frame type Protocols Supported ARP UDP IP TCP IP Telnet ICMP SNMP DHCP BOOTP TFTP Auto IP SMTP and HTTP LEDs Link Activity Link Speed Duplex System Status logic level outputs Management Internal web server SNM...

Страница 42: ...ical 25C 54Mbps 802 11n OFDM Mode Average Output Power 14 5 1 5dBm Typical 25C MCS0 12 1 5dBm Typical 25C MCS7 802 11b Average Output EVM IEEE Spec 10dBm 802 11g Average Output EVM IEEE Spec 5dB 6Mbps IEEE Spec 25dB 54Mbps 802 11n Average Output EVM IEEE Spec 5dB MCS0 IEEE Spec 28dB MCS7 802 11b PER 8 RX Sensitivity 1Mbps 93dBm Typical 89dBm Min 802 11b PER 8 RX Sensitivity 11Mbps 88dBm Typical 84...

Страница 43: ...static Web pages and Java applets Storage capacity TBD Kbytes Weight 2 5 grams Material Metal shell Temperature Operating range 40 C to 85 C 40 F to 185 F with use of heat pad between module and mating PCB Warranty For details on the Lantronix warranty policy go to our web site at www lantronix com support warranty Included Software Windows 98 NT 2000 XP based DeviceInstaller configuration softwar...

Страница 44: ...s B CISPR 22 2008 Radiated Emissions FCC 15 109 g 2012 CISPR 22 1997 Class B ANSI C63 4 2009 Conducted Emissions EN 55022 2010 Class B CISPR 22 2008 Conducted Emissions FCC 15 109 g 2012 CISPR 22 1997 Class B ANSI C63 4 2009 Table A 2 Electromagnetic Immunity Test Description Specification Test Method Performance Criteria ESD EN 55024 2010 IEC 61000 4 2 2008 2 Radiated Immunity EN 55024 2010 IEC 6...

Страница 45: ...Server Integration Guide 45 Figure A 1 Certificate of Compliance for Halogen Free Manufacturer s Contact Lantronix Inc 7535 Irvine Center Drive Suite 100 Irvine CA 92618 USA Tel 800 526 8766 Tel 949 453 3990 Fax 949 453 3995 ...

Страница 46: ...o Wi Fi Embedded Device Server xPico Wi Fi and xPico Wi Fi SMT compliance information can be found in the xPico Wi Fi Embedded Device Server User Guide Visit the Lantronix Web site at https www lantronix com support documentation for the latest Lantronix documentation ...

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