Telit Wireless Solutions WE866 Hw User Manual Download Page 1

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[04

.2016

]

Mod. 0805 2016-08 Rev.5

WE866

HW User Guide

1VV0301330 Rev. 3 – 2018-03-13

-13

Summary of Contents for WE866

Page 1: ...04 2016 Mod 0805 2016 08 Rev 5 WE866 HW User Guide 1VV0301330 Rev 3 2018 03 13 13...

Page 2: ...copyrighted material including the exclusive right to copy reproduce in any form distribute and make derivative works of the copyrighted material Accordingly any copyrighted material of Telit and its...

Page 3: ...s IV Trademarks TELIT and the Stylized T Logo are registered in Trademark Office All other product or service names are the property of their respective owners V Third Party Rights The software may in...

Page 4: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 4 of 54 2018 03 13 APPLICABILITY TABLE PRODUCTS WE866A1 P...

Page 5: ...TION 8 Scope 8 Audience 8 Contact Information Support 8 Text Conventions 9 Related Documents 10 2 OVERVIEW 11 3 PINS ALLOCATION 13 Pin out 13 LGA Pads Layout 17 4 POWER SUPPLY 18 Power Supply Requirem...

Page 6: ...RX Sensitivity 30 Antenna requirements 30 6 4 1 PCB Design guidelines 31 6 4 2 PCB Guidelines in case of FCC Certification 32 7 MECHANICAL DESIGN 33 Drawing 33 8 APPLICATION PCB DESIGN 34 Footprint 34...

Page 7: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 7 of 54 2018 03 13 12 ACRONYMS 51 13 DOCUMENT HISTORY 53...

Page 8: ...or general contact technical support services technical questions and report documentation errors contact Telit Technical Support at TS EMEA telit com TS AMERICAS telit com TS APAC telit com TS SRD te...

Page 9: ...re or bodily injury may occur Caution or Warning Alerts the user to important points about integrating the module if these points are not followed the module and end user equipment may fail or malfunc...

Page 10: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 10 of 54 2018 03 13 Related Documents...

Page 11: ...refer to the Telit WE866 Product Description document where all the hardware information is reported NOTE EN The integration of theWE866 cellular module within user application shall be done according...

Page 12: ...patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent rights of Telit Communications S p A other than for circuitry...

Page 13: ...S from DTE B1 CTS O Output for Clear to Send signal CTS to DTE Serial Peripheral Interface SPI A3 SPI_MISO O Module data output Host Master data input B2 SPI_MOSI I Module data input Host Master data...

Page 14: ...i Antenna RF Power Supply E1 VBATT Main Power supply Power E2 VBATT Main Power supply Power C3 GND Ground Power D1 GND Ground Power D2 GND Ground Power E3 GND Ground Power F1 GND Ground Power F2 GND G...

Page 15: ...RVED C5 RESERVED RESERVED D5 RESERVED RESERVED E5 RESERVED RESERVED F5 RESERVED RESERVED A6 RESERVED RESERVED B6 RESERVED RESERVED C6 RESERVED RESERVED D6 RESERVED RESERVED E6 RESERVED RESERVED A7 RES...

Page 16: ...tion It is only provided as reference supply voltage when voltage translation to 1V8 CMOS is needed When its use is necessary it is strongly recommended to connect VAUX through a series resistor as cl...

Page 17: ...ayout TOP VIEW A B C D E F G 1 RTS CTS RES GND VBATT GND GND 2 SPI_CLK SPI_MOSI RES GND VBATT GND ANT 3 SPI_MISO SPI_CS GND nHIB GND GND GND 4 TXD HOST_INTR RES RES RES RES RESET 5 RXD RES RES RES RES...

Page 18: ...perating Voltage Range MUST never be exceeded care must be taken when designing the application s power supply section to avoid having an excessive voltage drop If the voltage drop is exceeding the li...

Page 19: ...ernate 0 03 preliminary values General Design Rules The principal guidelines for the Power Supply Design embrace three different design steps The electrical design The thermal design Thermal PCB layou...

Page 20: ...o generate the required 3 8V Switching frequencies of 500kHz or above are preferable because of the smaller inductor size and the faster transient response For car Pb battery the input voltage can ris...

Page 21: ...tching regulator is used The protection diode must be placed close to the input power connector The pcb power traces must be wide enough to ensure negligible voltage drop even at the highest rated cur...

Page 22: ...RESET 0V 0 6V The nRESET pin must be held below 0 6V for the device to register a reset Level Typical Input current 5nA Output current 6mA Power On The module is usually in state on mode ON_OFF line i...

Page 23: ...Hardware wake up 25ms T3 Initialization time Internal XTAL stabilization plus firmware initialization time plus radio calibration 1 35s Tip or Information Don t use any pull up resistor on the ON_OFF...

Page 24: ...in which all of digital logic is power gated Only a small section of the logic powered directly by the main input supply is retained The RTC is kept running and the device wakes up once the nHIB line...

Page 25: ...n addition to the standard SPI lines MOSI MISO CLK CS it can be used also HOST_INT line WE866 can interrupt the host using HOST_INT line to initiate the data transfer over the interface The SPI interf...

Page 26: ...st up to 3 Mbps using a special command Data bits 8 bits Flow control CTS RTS Parity None Stop bits 1 Bit order LSBit first Host interrupt polarity Active high Host interrupt mode Rising edge or level...

Page 27: ...DTE A5 RXD O Serial data output RXD to DTE B4 HOST_INT O Interrupt from Module to Host Optional Figure shows the typical UART topology comprised of four standard UART lines RTS CTS TX and RX plus an o...

Page 28: ...The WE866 module operates in the 2 400 2 500 GHz ISM band and it complies with protocols 802 11b g n Supported channels are 1 13 at frequencies listed in the following table Channel Frequency MHz 1 24...

Page 29: ...ulations TX Output power All measures have been taken at VBATT 3 8V Tamb 25 C if not otherwise stated Protocol Datarate Mbps Maximum RMS output power typ dBm 802 11b 1 17 2 17 11 17 25 802 11g 6 16 25...

Page 30: ...yp dBm 802 11b PER 8 1 94 7 2 92 6 11 87 0 802 11g PER 10 6 89 0 9 88 0 54 73 0 802 11n PER 10 1 MCS0 88 0 MCS7 70 0 MCS7 mixed mode 69 0 preliminary values Antenna requirements Special care must be t...

Page 31: ...ep a constant cross section without abrupt curves It shall be isolated from any other noise source in particular trace shall not be crossed by other lines in adjacent layers Instead a continuous groun...

Page 32: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 32 of 54 2018 03 13 6 4 2 PCB Guidelines in case of FCC Certification...

Page 33: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 33 of 54 2018 03 13 7 MECHANICAL DESIGN Drawing...

Page 34: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 34 of 54 2018 03 13 8 APPLICATION PCB DESIGN Footprint Recommended footprint for the application...

Page 35: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 35 of 54 2018 03 13 In order to easily rework the WE866 is suggested to consider on the application a 1 5 mm placement inhibit area around the module...

Page 36: ...on In the customer application the region under WIRING INHIBIT see figure above must be clear from signal or ground paths PCB pad design Non solder mask defined NSMD type is recommended for the solder...

Page 37: ...ratures which are occurring at the lead free process This issue should be discussed with the PCB supplier Generally the wettability of tin lead solder paste on the described surface plating is better...

Page 38: ...te in order to avoid the cleaning of the modules after assembly Solder Reflow Recommended solder reflow profile Profile Feature Pb Free Assembly Average ramp up rate TL to TP 3 C second max Preheat Te...

Page 39: ...e Tp 245 0 5 C Time within 5 C of actual Peak Temperature tp 10 30 seconds Ramp down Rate 6 C second max Time 25 C to Peak Temperature 8 minutes max Tip or Information All temperatures refer to topsid...

Page 40: ...6 HW User Guide 1VV0301330 Rev 3 Page 40 of 54 2018 03 13 9 PACKAGING Tray The WE866 modules are packaged on trays of 98 pieces each when small quantities are required i e for test and evaluation purp...

Page 41: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 41 of 54 2018 03 13 Reel The WE866 modules are packaged on reels of 200 pieces each see picture below...

Page 42: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 42 of 54 2018 03 13 Caution or Warning These trays can withstand at the maximum temperature of 65 C...

Page 43: ...he Product inside of the dry bag is 12 months from the bag seal date when stored in a non condensing atmospheric environment of 40 C and 90 RH b Environmental condition during the production 30 C 60 R...

Page 44: ...ndesired operation of the device Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivant...

Page 45: ...ceiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer o...

Page 46: ...er Guide 1VV0301330 Rev 3 Page 46 of 54 2018 03 13 CAN ICES 3 B NMB 3 B This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de classe B est conforme la norme canadien...

Page 47: ...hin uetele ja nimetatud direktiivist tulenevatele teistele asjakohastele s tetele German Hiermit erkl rt Telit Communications S P A dass sich das Ger t WE866 MODULE in bereinstimmung mit den grundleg...

Page 48: ...enia Smernice 2014 53 ES Slovenian Telit Communications S P A izjavlja da je ta WE866 module v skladu z bistvenimi zahtevami in ostalimi relevantnimi dolo ili direktive 2014 53 ES Spanish Por medio de...

Page 49: ...Union Final product integrating this module must be assessed against essential requirements of the 2014 53 EU RED Directive It should be noted that assessment does not necessarily lead to testing Tel...

Page 50: ...efully the instruction for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator is responsible for the functioning of the final product therefore care...

Page 51: ...HSDPA High Speed Downlink Packet Access HSUPA High Speed Uplink Packet Access UART Universal Asynchronous Receiver Transmitter HSIC High Speed Inter Chip SIM Subscriber Identification Module SPI Seri...

Page 52: ...de 1VV0301330 Rev 3 Page 52 of 54 2018 03 13 SRDY Slave Ready CS Chip Select RTC Real Time Clock PCB Printed Circuit Board ESR Equivalent Series Resistance VSWR Voltage Standing Wave Radio VNA Vector...

Page 53: ...30 Rev 3 Page 53 of 54 2018 03 13 13 DOCUMENT HISTORY Revision Date Changes 0 2016 10 27 First issue 1 2016 12 06 Updated Pin Out Table 2 2017 11 22 Update Par 9 Packaging 3 2018 03 13 Updated Par 10...

Page 54: ...04 2016 Mod 0805 2016 08 Rev 5...

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