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CHAPTER 12 DEVELOPER BOARD SCHEMATICS

Chapter 12 Developer Board Schematics

Block Diagram

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MultiConnect

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mDot

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MTDOT Developer Guide

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Содержание MTDOT-868 Series

Страница 1: ...MultiConnect mDotTM MTDOT Developer Guide ...

Страница 2: ...DATA BY A PRODUCT OVER A CELLULAR COMMUNICATIONS NETWORK WILL BE UNINTERRUPTED TIMELY SECURE OR ERROR FREE NOR DOES MULTITECH WARRANT ANY CONNECTION OR ACCESSIBILITY TO ANY CELLULAR COMMUNICATIONS NETWORK MULTITECH WILL HAVE NO LIABILITY FOR ANY LOSSES DAMAGES OBLIGATIONS PENALTIES DEFICIENCIES LIABILITIES COSTS OR EXPENSES INCLUDING WITHOUT LIMITATION REASONABLE ATTORNEYS FEES RELATED TO TEMPORAR...

Страница 3: ... 11 MTDOT xxx X1 SMA 12 MTDOT xxx X1 UFL 13 MTDOT xxx M1 UFL 14 MTDOT xxx M1 TRC 15 Chapter 3 Specifications and Pin Information 16 MTDOT Specifications 16 Power Draw 19 Electrical Characteristics 20 Pin Information 20 mDot Pinout Design Notes 22 Serial Pinout Notes 22 Serial Settings 22 LoRa 22 Throughput Rates 22 Range 23 Chapter 4 Antennas 24 Antenna System 24 Pulse Electronics Antenna 24 Anten...

Страница 4: ...lectrical and Electronic Equipment Statement 31 WEEE Directive 31 Instructions for Disposal of WEEE by Users in the European Union 31 REACH Statement 32 Registration of Substances 32 Substances of Very High Concern SVHC 32 Restriction of the Use of Hazardous Substances RoHS 33 Information on HS TS Substances According to Chinese Standards 34 Information on HS TS Substances According to Chinese Sta...

Страница 5: ... 12 Developer Board Schematics 46 Block Diagram 46 Schematics 47 Chapter 13 Design Considerations 52 Noise Suppression Design 52 PC Board Layout Guideline 52 User Accessible Areas 52 Electromagnetic Interference 53 Electrostatic Discharge Control 53 USB Design 54 Chapter 14 AT Commands 55 MultiTech AT Command Set 55 General Commands 55 Network Addressing Commands 55 Radio Configuration 56 Send Rec...

Страница 6: ...le software library for developers to control monitor and bring edge intelligence to their Internet of Things IoT applications Actual distance depends on conditions configuration antennas desired throughput and usage frequency In dense urban environments a typical range is 1 2 miles Getting Started Getting started depends on what you want to do By default mDot ships with firmware that supports AT ...

Страница 7: ... support Related Documentation Application notes LoRa information and documentation for related products such as the MultiConnect Conduit MTCDT gateway and the LoRa accessory card MTAC LORA are available on the MultiTech developer site This site includes information on using the Conduit with mDots Go to www multitech net For a datasheet and information on the STmicro ARM Cortex M4 processor from g...

Страница 8: ...ttp developer mbed org handbook Homepage mDot Platform The mDot mbed page includes the mDot library firmware and test cases https developer mbed org platforms MTS mDot F411 EUI and Networking All mDots have a factory programmed Extended Unique Identifier EUI This is marked as Node on the mDot label To connect an mDot to a network you will need to program it with the network ID for the network you ...

Страница 9: ...1 TRC 915 MHz SMT LoRa RF Pad 1 or 100 EMEA MTDOT 868 X1 SMA 868 MHz XBee LoRa SMA 1 or 50 MTDOT 868 X1P SMA 868 MHz XBee LoRa SMA with Programming Header 1 MTDOT 868 X1 UFL 868 MHz XBee LoRa U FL 1 or 50 MTDOT 868 M1 UFL 868 MHz SMT LoRa U FL 1 or 100 MTDOT 868 M1 TRC 868 MHz SMT LoRa RF Pad 1 or 100 Developer Kits MTUDK2 ST MDOT mDot Developer Kit 1 Note The complete product code may end in Rx F...

Страница 10: ...CHAPTER 2 MECHANICAL DRAWINGS WITH PINOUTS Chapter 2 Mechanical Drawings with Pinouts MTDOT xxx X1P SMA 10 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 11: ...CHAPTER 2 MECHANICAL DRAWINGS WITH PINOUTS MTDOT xxx X1P U FL MultiConnect mDotTM MTDOT Developer Guide 11 ...

Страница 12: ...CHAPTER 2 MECHANICAL DRAWINGS WITH PINOUTS MTDOT xxx X1 SMA 12 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 13: ...CHAPTER 2 MECHANICAL DRAWINGS WITH PINOUTS MTDOT xxx X1 UFL MultiConnect mDotTM MTDOT Developer Guide 13 ...

Страница 14: ...CHAPTER 2 MECHANICAL DRAWINGS WITH PINOUTS MTDOT xxx M1 UFL 14 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 15: ...CHAPTER 2 MECHANICAL DRAWINGS WITH PINOUTS MTDOT xxx M1 TRC MultiConnect mDotTM MTDOT Developer Guide 15 ...

Страница 16: ... CPU STM32 Max Clock 100 MHz configurable to control power use Flash Memory 512 KB 400 KB available RAM 128 KB Radio Frequency ISM Bands 863 MHz 868 MHz 902 MHz 928 MHz Physical Description Weight1 0 2 oz 5g Dimensions Refer to Mechanical Drawings for Dimensions RF Connectors SMA Models SMA UFL Models U FL Trace Models Trace Connection Environment Operating Temperature 40 C to 85 C Storage Tempera...

Страница 17: ...he MTDOT xxx X1P SMA which is the heaviest model Category Description Transmission2 North America EMEA Max Transmitter 15 dBm 14 dBm Power Output TPO Maximum Receive 137 dBm 137 dBm Sensitivity Link Budget3 147 dB Point to Point 147 dB Point to Point Max Effective 22 dBm 10 dBm Isotropic Radiated Power EiRP Receive Sensitivity Spreading Factor North America Typical Sensitivity4 EMEA Typical Sensit...

Страница 18: ...s 3 Greater link budget is possible with higher gain antenna 4 RFS_L500 RF sensitivity Long Range Mode highest LNA gain LNA boost 500 kHz bandwidth using split Rx Tx path 5 RFS_L125 RF sensitivity Long Range Mode highest LNA gain LNA boost 125 kHz bandwidth using split Rx Tx path 18 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 19: ...rement taken during that time For Inrush charge took five separate measurements and recorded the highest observed value Power measurements are similar for 868 MHz models Some 868 MHz sub band frequencies do not support maximum TXP power of 20 Voltage Sleep Idle current Packet Size Average Average Average Total Total Mode Average Bytes Current Current Current Inrush Inrush Available Amps Amps at Am...

Страница 20: ...Pin Function Mapping which is available at www multitech net developer multiconnect mdot and https developer mbed org platforms MTS mdot f411 for details MT Pin Base Number Where applicable Description 1 VDD 3 3 to 5 V input 2 PA2 PA_2 XBEE_Dout 3 PA3 PA_3 XBEE_Din 4 PA6 PA_6 XBEE_D08 SPI1_MISO 5 nReset 6 PA8 PA_8 XBEE_PWM0 XBEE_RSSI I2C_S CL 7 PA9 PA_9 XBEE_PWM1 I2C_SDA 8 Reserved 9 PA11 PA_11 XB...

Страница 21: ..._DIO3 SPI1_C S 18 PA5 PA_5 XBEE_AD2 XBEE_DIO2 SPI1_S CK 19 PB0 PB_0 XBEE_AD1 XBEE_DIO1 20 PB1 PB_1 XBEE_AD0 XBEE_DIO0 21 Ground 22 RF 23 Ground 24 VOUT 3 3V output 25 Ground 26 PA14 PA_14 JTAG SWCLK 27 PA13 PA_13 JTAG SWIO 28 PB4 PB_4 JTAG nRST 29 PB3 PB_3 JTAG SWO 30 PA10 PA_10 Debug RX 31 PA9 PA_9 Debug TX USBTX MultiConnect mDotTM MTDOT Developer Guide 21 ...

Страница 22: ... model MTDOT xx X1P SMA Serial Pinout Notes Out of the box these pins are available for serial applications Refer to the mechanical drawing for your model for pin locations 2 Dout TX 3 Din RX 9 DTR 12 CTS 13 On Sleep 16 RTS Serial Settings When creating a serial connection with an mDot on the developer board connect a serial cable to the DB 9 connector open communications software such as HyperTer...

Страница 23: ... 3 dB 3 Fade Margin2 30 dB 30 Distance 8 14 Miles 5 41 Distance 13 08 Km 8 70 1 RX Sensitivity is set to a conservative 120dBm but can vary from 117 to 137dBm 2 Fade Margin is set at the worst case of 30dB Fade margin is an allowance a system designer includes to account for unknown variables The higher the fade margin the better the overall link quality will be With a fade margin set to zero the ...

Страница 24: ...is list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Pulse Electronics Antenna Manufacturer Pulse Electronics Description 868 915 MHz RP SMA Antenna 8 Model Number W1063 MultiTech Part Number 45009830L MultiTech ordering information Ordering Part Number Quantity AN868 915A 1HRA 1 AN868 915A 10HRA 10 AN868 915A 50HRA 50 Antenna...

Страница 25: ...ion distance of at least 20 cm from all persons and must not be collocated or operate in conjunction with any other antenna or transmitter except in accordance with FCC multi transmitter product guidelines Installers and end users must be provided with specific information required to satisfy RF exposure compliance for installations and final host devices See note under Grant Limitations Complianc...

Страница 26: ...ss device when around gasoline or diesel fuel pumps and before filling your vehicle with fuel Switch OFF your wireless device in hospitals and any other place where medical equipment may be in use Sécurité relative aux appareils à radiofréquence RF À cause du risque d interférences de radiofréquence RF il est important de respecter toutes les réglementations spéciales relatives aux équipements rad...

Страница 27: ...ses at a fixed rate Based on current research cellular devices do not pose a significant health problem for most pacemaker wearers However people with pacemakers may want to take simple precautions to be sure that their device doesn t cause a problem Keep the device on the opposite the side of the body from the pacemaker to add extra distance between the pacemaker and the device Avoid placing a tu...

Страница 28: ...n This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turnin...

Страница 29: ...modes under which these radio devices were certified To ensure this level of compliance the software code is provided in binary form only Users are prohibited from making any changes that affect the operation of the radio performance Accessing or controlling the radio through any means other than the provided binary software will require the user to obtain their own intentional radiator license fr...

Страница 30: ...ed on condition that the holder complies and will continue to comply with the requirements and procedures issued by Industry Canada The equipment for which this certificate is issued shall not be manufactured imported distributed leased offered for sale or sold unless the equipment complies with the applicable technical specifications and procedures issued by Industry Canada La certification du ma...

Страница 31: ...y from municipal collection points reuse and recycling of specified percentages per the WEEE requirements Instructions for Disposal of WEEE by Users in the European Union The symbol shown below is on the product or on its packaging which indicates that this product must not be disposed of with other waste Instead it is the user s responsibility to dispose of their waste equipment by handing it ove...

Страница 32: ...Concern SVHC Per the candidate list of Substances of Very High Concern SVHC published October 28 2008 we have reviewed these substances and certify the Multi Tech Systems Inc products are compliant per the EU REACH requirements of less than 0 1 w w for each substance If new SVHC candidates are published by the European Chemicals Agency and relevant substances have been confirmed that exceeds great...

Страница 33: ...S These MultiTech products do not contain the following banned chemicals1 Lead Pb 1000 PPM Mercury Hg 1000 PPM Hexavalent Chromium Cr 6 1000 PPM Cadmium Cd 100 PPM Polybrominated Biphenyl PBB 1000 PPM Polybrominated Diphenyl Ether PBDE 1000 PPM Environmental considerations Moisture Sensitivity Level MSL 1 Maximum Soldering temperature 260C in SMT reflow oven 1 Lead usage in some components is exem...

Страница 34: ...her PBDE PBB Printed Circuit Boards O O O O O O Resistors X O O O O O Capacitors X O O O O O Ferrite Beads O O O O O O Relays Opticals O O O O O O ICs O O O O O O Diodes Transistors O O O O O O Oscillators and Crystals X O O O O O Regulator O O O O O O Voltage Sensor O O O O O O Transformer O O O O O O Speaker O O O O O O Connectors O O O O O O LEDs O O O O O O Screws Nuts and other X O O O O O Ha...

Страница 35: ...称铅铅 PB 汞汞 Hg 镉镉 CD 六六价价铬铬 CR6 多多溴溴联联苯苯多多溴溴二二苯苯醚醚 PBB PBDE 印刷电路板 O O O O O O 电阻器 X O O O O O 电容器 X O O O O O 铁氧体磁环 O O O O O O 继电器光学部件 O O O O O O ICs O O O O O O 二极管晶体管 O O O O O O 振荡器和晶振 X O O O O O 调节器 O O O O O O 电压传感器 O O O O O O 变压器 O O O O O O 扬声器 O O O O O O 连接器 O O O O O O LEDs O O O O O O 螺丝螺母以及其它五金件 X O O O O O 交流直流电源 O O O O O O 软件文档 CD O O O O O O 手册和纸页 O O O O O ...

Страница 36: ... located on the modem s label below the bar code Example Labels Note Actual labels vary depending on the regulatory approval markings and content This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesir...

Страница 37: ...owever the illustrations show the MTUDK2 ST MDOT model Developer Board Features USB and serial interfaces USB port for mbed development environment RS 232 DB 9 connector for serial interface Arduino shield socket MTUDK2 ST MDOT Developer Kit Contents The MTUDK2 ST MDOT Developer Kit includes the following Developer Board 1 MTUDK 2 0 mDot Developer Board Cables 1 Micro USB Cable 1 RSMA U FL Antenna...

Страница 38: ...Micro USB Cable 3 SMA U FL Antenna Cables attached to developer board Antennas 1 3 3V magnetic GPS Antenna 2 700 2600 MHz Antennas Customer Notices Quick Start Additional One promotional screwdriver 38 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 39: ...CHAPTER 10 BOARD COMPONENTS Chapter 10 Board Components Developer Board MultiConnect mDotTM MTDOT Developer Guide 39 ...

Страница 40: ...CHAPTER 10 BOARD COMPONENTS 40 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 41: ...aces one used to program the mDot and the other for debug messages JP98 Serial Disconnect Header Pins D0 D8 are connected to the Arduino headers and the DB9 serial port Remove these jumpers to disconnect from the RS232 transceiver chip JP197 J Link Header used for JTAG access to the mDot This requires installing resistors R94 96 98 and removing R88 990 92 See Chapter 12 Developer Board Schematics ...

Страница 42: ...32 DB 9 connector COM LED2 Same side as RS 232 DB 9 connector D7 LED3 Across the mDot connectors D6 LED7 Directly across from the mDot connectors D3 LED8 Directly across from the mDot connectors D0 LED9 Directly across from the mDot connectors D1 LED10 Directly across from the mDot connectors RST LED12 Directly across from the mDot connectors PWR LED13 Directly across from the mDot connectors D2 L...

Страница 43: ...Developer Board Installation Installing an mDot on the Developer Board To install an mDot on the Developer Board 1 Align the mDot with the developer board as shown 2 Gently press the mDot into the connectors MultiConnect mDotTM MTDOT Developer Guide 43 ...

Страница 44: ...e developer board before installing the Arduino shield To use an Arduino Shield with an mDot 1 Disable the developer card s serial port by removing jumper from JP95 Jumper pins 1 2 Disable U5 on USB VCC high Jumper pins 2 3 U5 always disabled Default jumper position is on pins 1 2 2 Align the Arduino Shield on the developer board as shown 44 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 45: ...veloper Board Connectors Depending on the mDot model either connect the antenna directly to the mDot or through the RSMA to U FL antenna cable on the developer board To connect an antenna to the device through the developer board 1 Finger tighten the antenna to the SMA connector 2 Attach the U FL connector from the cable to the connector on the device MultiConnect mDotTM MTDOT Developer Guide 45 ...

Страница 46: ...CHAPTER 12 DEVELOPER BOARD SCHEMATICS Chapter 12 Developer Board Schematics Block Diagram 46 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 47: ...CHAPTER 12 DEVELOPER BOARD SCHEMATICS Schematics MultiConnect mDotTM MTDOT Developer Guide 47 ...

Страница 48: ...CHAPTER 12 DEVELOPER BOARD SCHEMATICS 48 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 49: ...CHAPTER 12 DEVELOPER BOARD SCHEMATICS MultiConnect mDotTM MTDOT Developer Guide 49 ...

Страница 50: ...CHAPTER 12 DEVELOPER BOARD SCHEMATICS 50 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 51: ...CHAPTER 12 DEVELOPER BOARD SCHEMATICS MultiConnect mDotTM MTDOT Developer Guide 51 ...

Страница 52: ...ons and journals electronics and electrical engineering text books and component supplier application notes PC Board Layout Guideline In a 4 layer design provide adequate ground plane covering the entire board In 4 layer designs power and ground are typically on the inner layers Ensure that all power and ground traces are 0 05 inches wide The recommended hole size for the device pins is 0 036 in 0...

Страница 53: ...nd connectors to avoid coupling from high frequency circuits Lay out the highest frequency signal traces next to the ground grid If using a multilayer board design make no cuts in the ground or power planes and be sure the ground plane covers all traces Minimize the number of through hole connections on traces carrying high frequency signals Avoid right angle turns on high frequency traces Forty f...

Страница 54: ...Design Guidelines for information about USB signal routing impedance and layer stacking Also Shield USB cables with twisted pairs especially those containing D D Use a single 5V power supply for USB devices See Power Draw for current ampere requirements Route D D together in parallel with the trace spacing needed to achieve 90 ohms differential impedance for the USB pair and to maintain a 20 mil s...

Страница 55: ...etting Displays current settings and status AT S Display stats Displays statistics AT R Reset stats Resets statistics AT IPR Set serial baud rate Defaults to 115200 AT DIPR Set debug serial baud rate Defaults to 115200 AT SMODE Start up mode 0 AT command mode 1 Serial data mode If this is set to 1 serial data mode auto join needs to be enabled so that a join is performed on power up or reset To ex...

Страница 56: ...0 Manual configuration 1 OTA Network Join 2 Auto OTA Network Join on start up Default 1 Note that 0 for manual configuration is part of LoRaWAN compliance AT NJS Network Join Status Displays last known state 0 Not joined 1 Joined AT NLC Network Link Check Perform network link check OK or ERROR AT LCC Link Check Count Set number of packets between each link and check if ACKs are disabled AT LCT Lin...

Страница 57: ...etails AT ACK Require Send ACK Enable to require send acknowledgment 0 off N number of retries until ACK received AT SEND Send Once Sends supplied packet data one time and returns response AT SENDB Send Binary Sends supplied binary hex packet data one time and returns response AT SENDH Send Once High BW Sends supplied packet data one time and returns response using High Bandwidth channel Max 240 b...

Страница 58: ...Must issue AT SLEEP to re enter sleep mode AT WM Wake Mode Wake up mode Interrupt uses DIO7 as wake up pin 0 INTERRUPT 1 INTERVAL AT WI Wake Interval Wake up interval seconds AT WD Wake Delay Maximum time to wait for data on serial port milliseconds AT WTO Wake Timeout Continue reading serial data until timeout milliseconds 58 MultiConnect mDotTM MTDOT Developer Guide ...

Страница 59: ...ntifier 8 Chinese hazardous substances IMEI location 36 Chinese version 35 Industry Canada 30 English version 34 Class B 29 Class B 28 install mDot 43 Industry Canada 29 interférence des radiofréquences 26 Conduit 7 connectors 41 K KDB 447498 Section 8 24 D DAA 52 L data bits 22 dc characteristics 20 labeling device host 24 maintenance 27 labels 36 documentation 7 LED indicators 42 LoRa range 22 E...

Страница 60: ...Tmicro processor 7 packing list 37 stop bits 22 parity 22 sécurité PC board layout 52 interférences RF 26 pin information 20 pinout notes 22 T power draw 19 transmission 16 R U radio frequency interference 26 range 22 U FL 45 receive sensitivity 16 USB related products 7 design consideration 54 RoHS 33 user responsibility 27 RSMA to U FL cable 45 60 MultiConnect mDotTM MTDOT Developer Guide ...

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