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Avnet AES-ATT-M18QWG-SK-G Hardware User's Manual

Global lte iot starter kit
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Global LTE IoT Starter Kit
Hardware User Guide
Version 1.4
Copyright © 2018 Avnet, Inc. AVNET, "Reach Further" and Avnet logo are registered
trademarks of Avnet, Inc. All other brands are the property of their respective owners.
LIT#

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Summary of Contents for Avnet AES-ATT-M18QWG-SK-G

  • Page 1 Global LTE IoT Starter Kit Hardware User Guide Version 1.4 Copyright © 2018 Avnet, Inc. AVNET, “Reach Further” and Avnet logo are registered trademarks of Avnet, Inc. All other brands are the property of their respective owners. LIT#...

  • Page 2: Document Control

    Document Control Document Version: Document Date: 02/10/2018 Document Author: Peter Fenn Document Classification: Public Document Distribution: Public Prior Version History Version Date Comment 07/05/2017 Initial Release 11/02/2017 Certification info added (pg 47-48) 12/04/2017 Section 4.5 cellular operating frequency bands amended 12/05/2017 Cellular operating frequency bands updated 02/10/2017...

  • Page 3: Table Of Contents

    Contents Terminology ........................7 Introduction ....................... 8 Kit Info ..........................9 Items Included in the Kit....................... 9 Block Diagram and Features .................. 10 List of Features ........................10 2.1.1 LTE System Board ..................... 10 2.1.2 WNC M18QWG Global Module .................. 10 2.1.3 Pulse Electronics LTE + GNSS Antennas ..............
  • Page 4 Antennas ........................... 39 3.8.1 LTE Antennas (Primary, Diversity)................39 3.8.2 GPS Antenna ......................40 Specifications and Ratings ..................42 Absolute Maximum Ratings ....................42 Recommended Electrical Operating Conditions ..............42 Power Consumption ......................42 RF Characteristics ......................43 Networking and Carrier ...................... 43 GNSS Receiver Performance ....................
  • Page 5 Figure 4 – Global LTE Cat.4 IoT System Board............13 Figure 5 – Internal view of the similar WNC M18Q2 series module ......14 Figure 6 – Use Cases for Avnet LTE IoT Boards ............15 Figure 7 – 3D View of Samtec ERF8 / ERM8 Connector Pair........16 Figure 8 –...
  • Page 6 Tables Table 1 – Summary of Key Specifications for LTE System Board ......11 Table 2 – J1 Expansion Connector Pinout (Inner Row) ..........18 Table 3 – J1 Expansion Connector Pinout (Outer Row) ..........19 Table 4 – 2x6 Pmod Peripheral Connector Pinout ............21 Table 5 –...

  • Page 7: Terminology

    Terminology Abbreviation Definition Alternating Current European Conformity (Conformité Européene) Direct Current ETSI European Telecommunications Standards Institute Federal Communications Commission Ground GPIO General Purpose Input / Output Input / Output Internet of Things Inter-Integrated Circuit JTAG Joint Test Action Group MEMs Micro-Electro-Mechanical Systems Long Term Evolution Not Applicable...

  • Page 8: Introduction

    The Global LTE IoT Starter Kit is a next-generation System-on-Module IoT solution, enabling the design of cellular connected edge devices, for operation in Europe. Powered by AT&T IoT services available through Avnet, this kit provides a complete development environment for sensor-to-cloud applications and services.

  • Page 9: Kit Info

    Kit Info Part Number: AES-ATT-M18QWG-SK-G Price: $139.00 USD Kit URL: http://cloudconnectkits.org/product/global-lte-starter-kit Buy Page: AES-ATT-M18Q2FG-SK-G Items Included in the Kit • LTE System Board (p/n: AES-ATT-M18QWG-M1-G ) • Pulse FPC antennas (LTE Primary Antenna, GPS Antenna, LTE Diversity Antenna) • Micro-SIM card (100K data points on AT&T M2X IoT platform services plus 200 SMS messages, good for 60 days from activation) •...

  • Page 10: Block Diagram And Features

    2 Block Diagram and Features This section summarizes the features of the development board, followed by functional descriptions. List of Features The following features are supported: 2.1.1 LTE System Board  M18QWG Global LTE SoC Module  Ambient Light Sensor ...

  • Page 11: Table 1 - Summary Of Key Specifications For Lte System Board

    $99 @ 100+ units Description Embedded LTE and GPS system board offering two modes of operation: - Host mode - Modem mode (aka Slave mode. No Avnet support for this mode currently) Application Interface WNC API (Host mode only) WNC AT Commands Cellular Technology LTE Cat.4, bands 1/3/7/8/20/28/38/40 (up to 150/50 Mbps DL/UL)

  • Page 12: Lte Iot System Board Block Diagram

    2.2 LTE IoT System Board Block Diagram Figure 2 – LTE IoT System Board – Block Diagram Page 12...

  • Page 13: Location Of Key Components

    2.3 Location of Key Components Figure 3 – LTE IoT System Board – Feature Identification Figure 4 – Global LTE Cat.4 IoT System Board Page 13...

  • Page 14: Lte System Board Functional Description

    3 LTE System Board Functional Description The following sections describe the key functional blocks on the AT&T LTE IoT System Board LTE Modem Module (WNC M18QWG) The M18QWG is a SoC modem module from Wistron NeWeb Corporation (WNC) that provides Cat.4 LTE cellular wireless connectivity plus GNSS location tracking, as well as a full-featured application processor subsystem with peripheral interfaces and functions uniquely designed to address the power/performance/cost constraints of IoT and M2M applications.

  • Page 15: Figure 6 - Use Cases For Avnet Lte Iot Boards

    Figure 6 – Use Cases for Avnet LTE IoT Boards … Page 15...

  • Page 16: Expansion Connector

    Expansion Connector The peripheral interfaces of the WNC M18QWG module are made available to the developer for custom system design via the board’s 60 pin Expansion Connector. This is interface is implemented using a 2x30 pin, 0.8mm pitch, Samtec ERF8 series connector, providing a robust, space-efficient and economical stacking solution that is especially attractive for cases where small overall physical size of the final product is vital.

  • Page 17: Figure 8 - Expansion Connector Polarization

    The matching Samtec ERM8 connector that is fitted to the custom end product PCB, is made available in three different stacking heights, to better accommodate height clearance requirements of your custom hardware. These offer 7mm, 10mm or 14mm overall clearance between the boards Manuf. Avnet P/N Description Samtec ERM8 series connector to match ERF8 socket ASP⁃197278⁃01...

  • Page 18: Table 2 - J1 Expansion Connector Pinout (Inner Row)

    Table 2 – J1 Expansion Connector Pinout (Inner Row) PCB Signal Description Name Modem Mode Host Mode DC Input Voltage (5V) DC Input Voltage (5V) DC Input Voltage (5V) DC Input Voltage (5V) UART1_RX Receive for WNC UART1 UART1_RX UART1_RX UART1_TX Transmit for WNC UART1 UART1_TX...

  • Page 19: Table 3 - J1 Expansion Connector Pinout (Outer Row)

    Table 3 – J1 Expansion Connector Pinout (Outer Row) Signal Name Description Modem Mode Host Mode REG_EN 3V8 Regulator Enable ADC_H ADC ext. input (to JP2) ADC (via JP2) ADC (via JP2) UART1_CTS CTS for WNC UART1 UART1_CTS UART1_CTS UART1_RTS RTS for WNC UART1 UART1_RTS UART1_RTS...

  • Page 20: Figure 10 - Expansion Connector Pin Numbering

    Figure 10 – Expansion Connector Pin Numbering Page 20...

  • Page 21: 2X6 Pin Peripheral Connector

    2x6 Pin Peripheral Connector The 2x6 Pin Peripheral Connector is compatible with a subset of Pmod™ peripheral boards from Digilent, Maxim, Measurement Specialties (TE Connectivity) and others. The pinout of this 2x6 pin right-angle socket connector is derived from the I/O signal assignments defined in the Digilent Pmod™...

  • Page 22: Wnc Module Interfaces

    - If SIM card is present, UIM_DETECT = High (1.8V / 3.0V) - If SIM card is absent , UIM_DETECT = Low (GND) Table 5 – SIM Card Interface Connections WNC Module WNC I/O Avnet SOM I/O Voltage Signal Pin # Pin Name...

  • Page 23: Usb Interface

    The M18QWG module supports USB 2.0 high-speed protocol, it’s USB I/O lines complying with the USB 2.0 electrical specification. Table 6 – WNC USB Interface Connections WNC Module WNC I/O Avnet SOM Description Pin # Pin Name Direction Signal Name...

  • Page 24: Figure 12 - Usb Interface Drivers Enumerate On Windows Host Computer

    Figure 12 – USB Interface Drivers Enumerate on Windows Host Computer Table 7 – USB Logical Interfaces Reported by Windows Device Manager Device this Windows Description Comments Enumerates as Device Drivers WNC M18Q2 USB qcusbfilter.sys, Composite Device usbqccgp.sys CDC ECM Installs on Linux host, not Windows WNC M18Q2...

  • Page 25: Uart1 Interface

    3.4.3 UART1 Interface The WNC module firmware limits UART1 to a predefined system function specifically for: “High Speed Data Transfer” WNC UART1 modem interface as implemented via the USB Compound Device, is available through either:  the MicroUSB connector, or ...

  • Page 26: Voltage Level Translation (1.8V / 3.3V)

    3.4.5 Voltage Level Translation (1.8V / 3.3V) SPI1 and UART2 interfaces plus two GPIOs (GPIO93 and GPIO95) from the WNC module are level-shifted to 3.3V levels by Fairchild FXLA108BQX octal bi-directional level-translator device In addition, the I2C peripheral interface bus from the WNC module is also level-shifted, using an FXMA2102L8X 2-bit level-translator that is compatible for use with open-collector outputs The level-shifted 3.3V signals are routed to the following connectors: ...

  • Page 27: Adc / Ambient Light Sensor (Jp2)

    3.4.6 ADC / Ambient Light Sensor (JP2) A single ADC input is provided on the WNC module.  This inputs to a 16 bit convertor, sampled at 2.4MHz for an ENOB of 15 bits  Analog Input Bandwidth is 100 kHz (typical) ...

  • Page 28: Accelerometer Sensor (Lis2Dw12)

    3.4.7 3D Accelerometer Sensor (LIS2DW12) The LIS2DW12 is a 2017-released, ultra low-power, MEMS 3-axis smart accelerometer from ST Micro. It has 16-bit output and can be configured (with 5 settings in either mode) to prioritize:  ultra-low power consumption (< 1 µA @ ODR = 12.5 Hz), or ...

  • Page 29: Pushbutton Switches (Reset, User, Boot)

    3.4.8 Pushbutton Switches (Reset, User, Boot) Three pushbutton switches connected to inputs on the WNC module, are mounted on the most mechanically secure section of the board (ie. pressing down on the 60-way expansion connector) Table 11 – Pushbutton Switch Functions Switch # Name Switch Function...

  • Page 30: Led Status Indicators (Power, Wwan, User)

    3.4.9 LED Status Indicators (Power, WWAN, User) Three LEDs are visible on the LTE System board, their functions are tabled below: Table 12 – LED Indicator Functions LED # Name LED Function How Activated LED1 POWER 3V8 Power Good Indicator Illuminates if board is powered LED2 WWAN...

  • Page 31: Pcm / I2S Digital Audio Interface

    3.4.10 PCM / I2S Digital Audio Interface PCM and I2S share the same four pins on the M18QWG module. ie. The Digital Audio interface pins can be configured for PCM or I2S functionality. These four pins can alternatively serve as user-defined GPIO, see table below… Access to these signals is via the 60-pin Expansion Connector Note: Software support for the Digital Audio Interface is not currentltly included in the SDK Figure 14 –...

  • Page 32: Ethernet Sgmii Interface

    3.4.11 Ethernet SGMII Interface An SGMII interfaced Ethernet MAC is integrated within the WNC module. This has the following key features  IEEE 802.3 compliance  Full duplex at 1 Gbps  Half/full duplex for 10/100 Mbps  Supports VLAN tagging ...

  • Page 33: User Gpio

    PU = Internal Pull-Up resistor, PD = Internal Pull-Down resistor, NP = Output Only Table 15 – GPIO Signals Assigned Local Functions Signal Assigned Function Comments Name Pin # On Avnet Board GPIO92 RGB LED: Red User controlled RGB LED (Red) GPIO98 User P/B Switch User controlled Pushbutton Switch...

  • Page 34: Power Regulation

    Power Regulation Table 16 – Summary of LTE System Board Voltages Voltage Rail Voltage Current max (A) 5.0V (nominal) 1.8 A (MicroUSB) 4.0 A (Exp. Connector) 3V8 (VCC) 3.8V 3.0 A 1V8_VREF (VREF) 1.8V 0.1 A VCC_UIM_SIM 1.8V / 3.3V 0.15 A 3.3V 0.3 A...
  • Page 35 Page 35...

  • Page 36: 1V8_Vref (Vref)

    The 3V8 module supply is filtered per WNC recommendations using the following circuit 3.5.3 1V8_VREF (VREF) 1.8V @ 100 mA max. Supplied by the VREF pin of the WNC module. This provides 1.8V power to the following circuits:  The VREFA input of the 1.8V/3.3V level-shifter devices (U9 and U10) ...

  • Page 37: Wnc Module Power Control And State Interfaces

    WNC Module Power Control and State Interfaces The following 6 signals fall in this category: Table 17 – Control and State Signals Signal Name Connected to Function in this Circuit RESET J1 pin 56 Allows expansion board to reset the WNC module WAKEUP_IN J1 pin 54 Allows expansion board to wake-up WNC module...

  • Page 38: Figure 15 - Sleep And Power Control Of Wnc Module

    REG_EN and POWER_ON REG_EN controls the main 3V8 regulator and is pulled high (enabled) following power-up via an onboard RC delay circuit. This signal is also available on the 60-pin Expansion Connector for external ON/OFF control of the onboard 3V8 and 3V3 regulators. This allows system power to be controlled by eg.

  • Page 39: Antennas

    This IoT Starter Kit ships with it’s three antennas implemented on two FPC antenna assemblies (see 2 option highlighted in bold type below) Avnet’s antenna partner Pulse provide three different implementation options using FPC type antennas, for maximum flexibility in achieving specific end-product form-factors Table 19 – FPC Antenna Options from Pulse Manuf.

  • Page 40: Gps Antenna

    3.8.2 GPS Antenna GPS and adaptive A-GPS are supported by the WNC module The GNSS antenna circuit is made up of the following circuitry:  SAW filters 1 and 2 : Murata SAFFB1G56KB0F0AR15  Low Noise Amplifier: Infineon BGA824N6 The LNA device is enabled under firmware control, by GPIO05 on the WNC module Figure 17 –...
  • Page 41 Page 41...

  • Page 42: Specifications And Ratings

    4 Specifications and Ratings 4.1 Absolute Maximum Ratings Table 20 – Absolute Maximum Ratings Parameter Unit VIN (DC Supply Voltage) Volts MicroUSB connector VIN rating @5V Expansion connector VIN rating @5V 3V8 Voltage Regulator rating 3V3 Voltage Regulator rating 4.2 Recommended Electrical Operating Conditions Table 21 –...

  • Page 43: Rf Characteristics

    GSM standby mode lowest DRX=1.18 sec 1.12 power consumption (GSM850) GSM standby mode highest DRX=1.18 sec 1.18 power consumption (GSM1900) GSM Working mode lowest GPRS 1 down 4 up, TX Power=33dbm power consumption (GSM1800) GSM Working mode lowest GPRS 1 down 4 up, TX Power=33dbm power consumption (GSM900) Powering On Consumption Power consumption peak when module...

  • Page 44: Gnss Receiver Performance

    GNSS Receiver Performance Table 25 – GNSS receiver performance Unit Test Items Parameter Cold start TTFF @ -130 dBm Seconds Hot start TTFF @ -130 dBm Seconds CEP-50 Accuracy Open sky with -130 dBm input < 3 Meters Cold start sensitivity Acquire First with Signal level -146 Tracking sensitivity (GPS)

  • Page 45: Mechanical

    Mechanical Table 27 – Mechanical Characteristics Parameter Characteristics LTE System board PCBA dimensions 29.5 mm × 30 mm × 10 mm (typ.) Figure 18 – Mechanical Details (1 of 2) Page 45...
  • Page 46 Page 46...

  • Page 47: Certifications

    5 Certifications RoHS Compliance The AES-ATT-M18QWG-M1-G module is lead-free and RoHS compliant. Regulatory and Network Certifications End-device certification testing has been completed and test reports submitted for CE-RED Approval. The scope of this CE-RED certification covers the Global LTE Starter Kit using the specified Pulse antennas and power supply that ships in this kit.

  • Page 48: Shipping, Handling And Storage

    6 Shipping, Handling and Storage Shipping Bulk orders of AES-ATT-M18QWG-M1-G LTE System boards are delivered in trays of TBD units. Handling  The AES-ATT-M18QWG-M1-G LTE System board contains sensitive electronic circuitry that requires proper ESD protection when handling. Failure to follow these ESD procedures may result in permanent damage to the module.

  • Page 49: Ordering Information

    System Designers have a choice of three different stack heights, for overall inter-board clearances of 7mm, 10mm or 14mm Table 30 – Height options for Samtec ERM8 Expansion Connector Manuf. Avnet Part Number Description MSRP Samtec ERM8 series matching connector $1.35...

  • Page 50: Figure 19 - Pulse Fpc Antenna Options

    Figure 19 – Pulse FPC Antenna Options Page 50...

  • Page 51: Contact Information

    Technical support for the Global LTE IoT Kit is available via online support forum pages. These are located (on same website as the product documentation) at: http://cloudconnectkits.org/forum 11 Disclaimer Avnet assumes no liability for modifications that the owner chooses to make to their LTE IoT Starter Kit Page 51...

  • Page 52: Appendix A - Lte Iot Breakout Carrier

    (10mm mated connector height. 10mm standoffs required for mounting of LTE Board)  Level-shifting of the WNC module signals to/from 1.8V / 3.3V levels  Dual sockets for two MikroE Click peripheral modules (available from Avnet)  Flexible system prototyping via a choice of over 425 Click peripheral modules ...

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