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MicroNet SmarTab 8 Hardware Manual

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Micronet SmarTab 8
Rugged Android™ Tablet
Hardware Guide
Revision 6.2 March 2020
Rev. 05
Micronet SmarTab 8 – Hardware Guide
1 / 61

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Summary of Contents for MicroNet SmarTab 8

  • Page 1 Micronet SmarTab 8 Rugged Android™ Tablet Hardware Guide Revision 6.2 March 2020 Rev. 05 Micronet SmarTab 8 – Hardware Guide 1 / 61...
  • Page 2 Micronet Ltd. Information in this manual is subject to change without notice. Micronet maintains no liability or responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book. Other company and brand products and service names are trademarks or registered trademarks of their respective holders, for example: Google , ADB, ADT, Eclipse and Android Studio.

  • Page 3: Table Of Contents

    Micronet SmarTab 8 Rear View ....................13 Micronet SmarTab 8 Top View ....................14 Micronet SmarTab 8 Left View ....................14 3. Micronet SmarTab 8 Functional Details ................... 14 Platform Core ........................... 14 User Interface .......................... 16 Cameras ..........................17 Sound .............................
  • Page 4 Overview ..........................46 Interface Connectors ......................46 Main Connector Pinout ......................46 Secondary Connector Pinout ....................49 8. SmarTab 8 Cradle Installation ....................52 Mechanical Installation ......................52 Mounting Arm ........................52 Mounting Inserts Location and Dimensions ................52 Device Installation Steps ......................53 Electrical Installation .........................
  • Page 5 11. Known Issues ........................58 Overview ..........................58 SD Card Format Error: ......................58 Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 5 / 61...

  • Page 6: Revision History

    Critical Design Review November 2019 Update QA inputs Desember 2019 Update CS inputs December 2019 Update pictures December 2019 Update pictures February 2020 Formatting changes March 2020 Add section 12 Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 6 / 61...

  • Page 7: Safety Precautions

    WARNING! Abnormal Conditions Should the Micronet SmarTab 8 become hot, start to emit smoke or a strange odor, immediately turn off the power and contact your original dealer or authorized service provider. Continued usage is dangerous and may result in fire or electric shock.
  • Page 8 Risk of explosion if the battery is replaced by an incorrect type. Dispose of used batteries according to the instructions Be careful using the earphone since excessive sound pressure from the ear and headphones can cause hearing loss. Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 8 / 61...

  • Page 9: Introduction

    1. Introduction Micronet SmarTab 8 Platform Overview The Micronet SmarTab 8 is a rugged Android tablet designed for both in-vehicle and out-of-vehicle use. It provides a versatile vehicle-centric mobile computing platform for a variety of MRM (Mobile Resource Management) applications.

  • Page 10: Gsd ® Software Services

    Portable and Fix Options The two cradle models can be used as portable or fixed options. The SmarTab 8 can be docked and locked in the cradle by using a special screw and plastic cover to hide the screw. Please refer to Mount Lock for more information.

  • Page 11: Development Tool Kit

    Micronet SmarTab 8 Remote Control and Display Guide • Platform Key Feature Specifications The Micronet SmarTab 8 Tablet key feature specifications are documented in the "Micronet SmarTab 8 Datasheet" document provided with the DTK documentation. Rev. 6.2 Micronet SmarTab 8 – Hardware Guide...

  • Page 12: Micronet Smartab 8 Front View

    Micronet SmarTab 8 Views Micronet SmarTab 8 Front View Figure 1: Micronet SmarTab 8 Front View For more information about the Micronet SmarTab 8 front view see: Antiglare LCD and Touch Panel • Touch Buttons on the Touch Screen Panel •...

  • Page 13: Micronet Smartab 8 Rear View

    For more information about the Micronet SmarTab 8 rearview see: Recess Hook to lock the Micronet SmarTab 8 on the cradle • POGO Pins to establish a connection between the Micronet SmarTab 8 and cradle PCBAs. It provides • battery charging, ignition switch state, cradle detection, and serial communication NFC Proximity •...

  • Page 14: Micronet Smartab 8 Top View

    Micronet SmarTab 8 Top View Volume Keys Power Key Figure 3: Micronet SmarTab 8 Top View For more information about the Micronet SmarTab 8 left view see: • Power Key • Audio Key Micronet SmarTab 8 Left View Headphone Jack...
  • Page 15 ELD Compliance The Micronet SmarTab 8 system boot time is ~40 seconds. The ELD requirement is up to 1 minute. Please refer to for more information. ELD Mandate Application Development Environment The Micronet SmarTab 8 tablet supports any open source IDE. Micronet recommends using the Android Studio IDE for application development.

  • Page 16: User Interface

    Touch Buttons The Micronet SmarTab 8 has five touch buttons as part of the touch panel on the bottom of the front panel. The keys are Home, Back, Menu, F1, and F2 buttons. F1 and F2 are dedicated for customer use with pre-defined key codes.

  • Page 17: Cameras

    Picture 6: Tablet NFC Proximity Reader Area Picture 7: Cradle NFC Reader Slot LED Indicator The Micronet SmarTab 8 has an LED indicator on the bottom, the right side of the front panel. Cameras Rear Camera The Micronet SmarTab 8 has a 13MP rear camera with autofocus on the back panel.

  • Page 18: Connectivity

    Connectivity Wireless LAN The Micronet SmarTab 8 tablet provides a Dual-Mode Wireless Local Area Network (IEEE 802.11 b/g/n/ac - 2.4/5GHz) module with integrated onboard internal antennas. Wireless LAN communication is especially suited for high-speed data transfer over the air when a hotspot infrastructure exists.
  • Page 19 DL CA Only 2570 - 2620 1695 - 1710 1995 - 2020 663 - 698 617 - 652 DL CA Only 5150 - 5250 DL CA Only 5725 - 5850 Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 19 / 61...

  • Page 20: Battery

    MicroSD Card Slot The Micronet SmarTab 8 has a MicroSIM card slot located on the rear panel compartment of the tablet next to the MicroSIM card. SD cards are formatted as ext4 and fat32 as large as 128 GB are supported.

  • Page 21: Charging Mechanism

    The Micronet SmarTab 8 provides a smart charging mechanism. When connected to a power source (e.g., wall mount power supply, PC USB, SmarTab 8 cradle), the battery is charged and powers the CPU in parallel. On reaching temperatures above 45°C, the internal battery turns off charging from the power source (current is limited to only draw 10uA).

  • Page 22: Usb Communication

    USB Communication The Micronet SmarTab 8 supports a USB Type-C interface, which is located on the Micronet SmarTab 8 Cradle micro-USB connector. The SmarTab 8 standard cradle supports a USB Client interface for ADB communication. The enhanced cradle is a USB host via the USB 3.0 female cable connector, and it also supports ADB via wireless communication.

  • Page 23: Single Wire Canbus

    Single Wire CAN. SAE J1708 The Micronet SmarTab 8 provides a J1708 port through its enhanced cradle. Please refer to the detailed description of the enhanced cradle J1708. 4. Micronet SmarTab 8 Cradle...

  • Page 24: Cradle Front View

    Cradle Front View Latch Customized Label Figure 8: Cradle Front View Components For more information about the cradle front view see: Latch for dock and undock the Micronet SmarTab 8 • • LED and Buzzer Customized Front Panel Label •...

  • Page 25: Cradle Rear View

    Fix Mount Lock The Standard and Enhanced cradles have a locking mechanism option to dock the SmarTab 8 to the cradle permanently. It is an option when a fix mount installation is required. The fix mount lock parts include one screw to prevent pushing the latch and an adhesive cover to hide the screw.

  • Page 26: Led And Buzzer

    LED and Buzzer The LED and buzzer are used to alert the driver that the Micronet SmarTab 8 is not docked. This alert is enabled by default. The cradle’s MCU firmware provides an API to disable both the LED and buzzer if required.
  • Page 27 Figure 10: Standard Cradle Cable Harness GCAB596. The pinout for P1, P2, and P3 is displayed in the standard cradle pinout in Figure 11 below: Figure 11: Micronet SmarTab 8 Basic Cradle Cable Pinout Power Connector The power connector (marked as P1) is a 4-pin, 2-row MicroFit 3.0 series Molex male connector and the pinout for power and ignition lines are described in figure 12 below: Rev.
  • Page 28 Figure 13: Molex 8-pin Female & USB Device 'Type A' Male Connector There are two ways to use the USB: Through the Micronet SmarTab 8 USB Type-C connector on the left panel. • Through the standard cradle USB cable while the tablet is docked.
  • Page 29 Figure 14: Molex 6-Pin Male Connector Serial Port 1 (COM1) The Micronet SmarTab 8 standard cradle supports an (EIA) RS-232 level serial communication on its port. It provides TX and RX signals at 300 to 115,200bps. Debug Serial Port (COM7) The standard cradle also supports EIA-RS232 level serial communication port for Co-Processor debugging purposes.
  • Page 30 Input State Typical (V) Min Voltage (V) Max Voltage (V) -30V +30V HIGH 12V-24V Max Saturation Voltage Output State Max Voltage (V) Max Current (A) HIGH 0.6V +VIN 300mA Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 30 / 61...

  • Page 31: Overview

    • Enhanced Cradle Dev Cable In addition to the standard cradle, the Micronet SmarTab 8 enhanced cradle also provides two J1939 CAN interfaces, a Single Wire CAN line, a J1708 line, two more serial communication lines, and five more GPIOs.
  • Page 32 Figure 15: Enhanced Cradle Cable Drawing (GCAB579). The pinouts for P2 – P6 are displayed in the enhanced cradle pinout in Figure 16 below: Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 32 / 61...

  • Page 33: Vehicle Bus Connectivity

    Figure 16: Micronet SmarTab 8 Enhanced Cradle Cable Pinout Vehicle Bus Connectivity CANbus Connector The CANbus connector (marked as P2) is a 10-pin, 2-row MicroFit 3.0 series Molex male connector, shown in figure 17 below, which provides CAN 1 HIGH/LOW, CAN 2 HIGH/LOW, J1708, and Single Wire CAN: Rev.

  • Page 34: Serial Communication

    33.3 Kbit/s (83,3 Kbit/s in a high-speed mode for diagnostics). SAE J1708 The SmarTab 8 enhanced cradle provides one SAE J1708 port. The SAE J1708 is a standard used for serial communications between ECUs on a heavy-duty vehicle and between a computer and the vehicle. With respect to the Open System Interconnection model (OSI), J1708 defines the physical layer.
  • Page 35 Figure 18: Molex 6-Pin Male Connector Serial Port 1 (COM1) The Micronet SmarTab 8 enhanced cradle adds an (EIA) RS-232 level serial communication on its port. It provides CTS and RTS signals at 300 to 115,200bps. Serial Port 1 & 2 (COM1 & COM2) The Micronet SmarTab 8 enhanced cradle adds an (EIA) RS-232 level serial communication on its port.

  • Page 36: Usb Communication

    Analog and Digital Input lines The SmarTab 8 tablet provides seven automotive input lines (0-32V) through its enhanced cradle. The input lines can be read as digital (state 0 or 1) or analog (voltage level) lines. Note, however, that the automotive input 1/output 1 line is a part of the Standard Cradle Dev Cable.

  • Page 37: Customized Front Panel Label

    The supported voltage range is from 0V to 30V. Open Collector Output lines The SmarTab 8 tablet provides four O.C output lines through its enhanced cradle for external peripheral control. For more information about these interface signals, please see the digital output signals map Pinout by Functionality.

  • Page 38: Serial Communication

    130mA Serial Communication Serial Port 1 (COM1) The Micronet SmarTab 8 standard cradle supports an (EIA) RS-232 level serial communication on its port. It provides TX and RX signals at 300 to 115,200bps. Rev. 6.2 Micronet SmarTab 8 – Hardware Guide...

  • Page 39: Usb Communication

    Automotive Input The Micronet SmarTab 8 standard cradle provides one automotive digital input for ignition. Ignition input line powers ON the Micronet SmarTab 8 from the shutdown and suspend states. For proper power management implementation, the ignition input line should connect to the vehicle's ignition switch, and power to the cradle should connect to the vehicle's battery.
  • Page 40 Table 2: Ignition line States, Electrical Parameters Input State Typical Minimum Maximum -30V +30V High 12V-24V Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 40 / 61...

  • Page 41: Enhanced Cradle Model

    MCU Processor The enhanced cradle MCU CPU consists of the Freescale K20_120 MQX RTOS. Functional Details The Micronet SmarTab 8 enhanced cradle provides the following interfaces: 12V/24V for charging the Micronet SmarTab 8 battery • Digital input signal for ignition switch control •...

  • Page 42: Serial Communication

    • Application development • Debugging caution • There are two ways to use the USB Client: Through the Micronet SmarTab 8 USB TYPE-C connector on the left panel. • Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 42 / 61...

  • Page 43: General Purpose I/O

    The supported voltage range is from 0V to 30V. Open Collector Output lines The SmarTab 8 tablet provides four O.C output lines through its enhanced cradle for external peripheral control. For more information about these interface signals, please see the digital output signals map Pinout by Functionality.

  • Page 44: Customized Front Panel Label

    33.3 Kbit/s (83,3 Kbit/s in a high-speed mode for diagnostics). SAE J1708 The SmarTab 8 enhanced cradle provides one SAE J1708 port. The SAE J1708 is a standard used for serial communications between ECUs on a heavy-duty vehicle and between a computer and the vehicle. With respect to the Open System Interconnection model (OSI), J1708 defines the physical layer.

  • Page 45: Cradle Signal Map

    7. Cradle Signal Map Overview This chapter describes the Micronet SmarTab 8 standard and enhanced cradles signal interfaces. Standard Cradle Signal Map The Micronet SmarTab 8 standard cradle has the following interfaces on its main cable harness: Power line • Ground line •...

  • Page 46: Enhanced Cradle Signal Map

    Enhanced Cradle Signal Map Overview The SmarTab 8 enhanced cradle has the following interfaces found on the primary and secondary cradle connectors. The following abbreviations are used: I - Input signal • O - Output signal • B - Bus signal •...
  • Page 47 Ignition Input Ignition switch Input High: V 12V-24V 8V +32V USB D- USB Port Data- USB 3.0 USB Port Data+ USB D+ USB 3.0 USB Port VBUS USB +5V Ground Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 47 / 61...
  • Page 48 Max. switchable current = 300mA Max. Open Collector switchable voltage = +VIN O.C. Output Output 1 Max. saturation voltage = 0.6V MCU Debug port EIA-RS232 Level RS232_TX5 Transmit Data DBG Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 48 / 61...

  • Page 49: Secondary Connector Pinout

    Function Specifications Automotive Input Digital Input 6 Same as Input 1 Automotive Input Digital Input 4 Same as Input 1 Automotive Input Digital Input 2 Same as Input 1 Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 49 / 61...
  • Page 50 Digital Input 6 Same as Input 1 Automotive Input Digital Input 4 Same as Input 1 Signal Type Function Specifications Automotive Input Digital Input 2 Same as Input 1 Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 50 / 61...
  • Page 51 EAI-RS232 Level RS232_TX2 Ground EAI-RS232 Level CAN 2 High Signal CAN 2 H CAN2 Low Signal CAN 2 L J1708 Positive Signal J1708 + J1708 Negative Signal J1708 - Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 51 / 61...

  • Page 52: Smartab 8 Cradle Installation

    8 cradle. The distance between the PEM screw inserts is 48.50mm. Micronet provides two screws with the RAM® mounting arm (RAM® P/N RAM-B-138U) in the Micronet SmarTab 8 DTK. If you source the RAM mount arm or another mounting arm brand by yourself, you must take in account the...

  • Page 53: Device Installation Steps

    Figure 16: Mounting Arm Ball Base Adapter thickness Device Installation Steps Determine the optimal positioning of the Micronet SmarTab 8 cradle in the vehicle that provides easy access and a clear view of both the road and the display. Attach the base of the mounting-arm assembly to the dashboard or cabin.

  • Page 54: Electrical Installation

    Electrical Installation Vehicle Battery Connection The Micronet SmarTab 8 input power connects directly to the vehicle’s battery. See the Electrical Installation in Figure 17 below. The supported nominal battery voltage supply is 12V or 24V DC, with an operating range between 8V to 30V DC.

  • Page 55: Insertion To Cradle (Basic Only)

    Inserting the Tablet into the Cradle 1. Hold the Micronet SmarTab 8 on top and insert it into the cradle. 2. Push the Micronet SmarTab 8 on top against the cradle until you hear the click. Rev. 6.2 Micronet SmarTab 8 – Hardware Guide...

  • Page 56: Removing The Tablet From The Cradle

    Removing the Tablet from the Cradle 1. Pull the latch knob on top of the cradle. 2. Pull out the SmartTab 8 of the cradle. Latch Knob Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 56 / 61...

  • Page 57: 10. Physical Characteristics

    225 mm Height 5.91 inch 150 mm Depth 1.41 inch 36 mm Weight 28.21 oz. 0.8 Kiligrams Micronet SmarTab 8 with Basic or Enhanced Cradle Width 9.05 inch 230 mm Height 7.08 inch 180 mm Depth 1.37 inch 35 mm Weight 12.34 oz.
  • Page 58 These are listed below: SD Card Format Error: – When an SD Card is inserted to the SmarTab 8, the Android OS attempts to format it as "Internal" (application) storage, which fails and displays “Not Supported” (This is a specific version limitation).
  • Page 59 FCC ID of the module is visible; then an additional permanent label referring to the enclosed module: Contains Transmitter Module FCC ID: U8O-A9 or Contains FCC ID: U8O-A9 Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 59 / 61...
  • Page 60 Sciences et Développement économique Canada du module, précédé du mot "contient" ou d'un libellé similaire exprimant le même sens, comme suit: Contient IC: 12186A-A9 où 12186A-A9 est le numéro de certification du module Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 60 / 61...
  • Page 61 LTE Band 13: TX 777-787,RX 746-756 LTE Band 17: TX 704-716,RX 734-746 WLAN Frequency(MHz): Max Power 2400-2462, 19 dBm 5150-5250; 14 dBm 5725-5850 14 dBm Frequency(MHz):2402-2480 Max Power 8 Rev. 6.2 Micronet SmarTab 8 – Hardware Guide 61 / 61...

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