Micronet SmarTab 8 Rugged Android™ Tablet Hardware Guide Revision 6.2 March 2020 Rev.
Important Notice © 2019 Micronet Ltd. All rights reserved. Micronet Ltd. Reserves the right to alter the equipment specifications and descriptions in this publication without prior notice. No part of this publication shall be deemed to be part of any contract or warranty unless specifically incorporated by reference into such a contract or warranty. The information contained herein is merely descriptive in nature and does not constitute a binding offer for the sale of the product described herein.
Table of Contents Table of Contents ....................................................................................................................... 3 Revision History ......................................................................................................................... 6 Safety Precautions ........................................................................................................................... 7 1. Introduction ....................................................
LED and Buzzer ........................................................................................................................ 26 Overview .................................................................................................................................. 26 Functional Details ........................................................................................................................ 26 Standard Cradle Dev Cable .............................................................
11. Known Issues ................................................................................................................... 58 Overview ................................................................................................................................. 58 SD Card Format Error: ............................................................................................................ 58 Rev. 6.
Revision History Revision Rev. 6.2 Date Change 1 July 2019 Document created 2 October 2019 Critical Design Review 3 November 2019 Update QA inputs 4 Desember 2019 Update CS inputs 5 December 2019 Update pictures 6 December 2019 Update pictures 6.1 February 2020 6.
Safety Precautions Read the following safety precautions before installation or operation. 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. WARNING! Foreign Objects Avoid having foreign matter or objects enter any opening of the Micronet SmarTab 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.
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.
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 Fix Mount Lock for more information. Wireless Module The Micronet SmarTab 8 tablet supports cellular communication via GSM, CDMA, WCDMA, TD-SCDMA, LTE, and WLAN/BT/FM/NFCan channels.
• Fail-safe firmware and application over-the-air updates (FOTA/OTA). Development Tool Kit Micronet's SmarTab 8 Development Package provides all the tools required for product evaluation, application development, quick-start, and product testing.
2. 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 • Front Camera • LED Indicator Rev. 6.
Micronet SmarTab 8 Rear View Recess Hook SIM & MicroSD Card Slot Compartment POGO Pins For Cradle Connectivity Main Camera LED Flash NFC Reader External Speaker Figure 2: 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.
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 USB Type-C Figure 4: Micronet SmarTab 8 Left View For more information about the Micronet SmarTab 8 right view see: • Headphone Jack • USB Type-C Connector 3.
ELD Compliance The Micronet SmarTab 8 system boot time is ~40 seconds. The ELD requirement is up to 1 minute. Please refer to ELD Mandate for more information. Application Development Environment The Micronet SmarTab 8 tablet supports any open source IDE. Micronet recommends using the Android Studio IDE for application development.
The Android OS provides a software level watchdog mechanism by the "Applications Manage" to control application stability and recovery. User Interface LCD and Touch Panel The Micronet SmarTab 8 has an 8" HD color LCD, TFT, 1280x800 pixels, brightness of 500 NITS. The touch panel has an antiglare Gorilla Glass 4 surface and a capacitive multi-touch (5-point) panel. Hard Keys The Micronet SmarTab 8 has three keys on the top of the tablet: • Power key for power on and off, restart, and suspend mode.
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. Front Camera The Micronet SmarTab 8 has a 5MP front camera with autofocus on the front panel. LED Flash The Micronet SmarTab 8 has an LED Flash that can be used with the main rear camera.
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. For applications that require large data transactions, wireless LAN is the most economical way to implement the solution. The WLAN module provides a 2.4 or 5 GHz IEEE 802.
FDD LTE BANDS & FREQUENCIES LTE BAND # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 UPLINK (MHZ) 1920 - 1980 1850 - 1910 1710 - 1785 1710 - 1755 824 - 849 830 - 840 2500 - 2570 880 - 915 1749.9 - 1784.9 1710 - 1770 1427.9 - 1452.9 698 - 716 777 - 787 788 - 798 1900 - 1920 2010 - 2025 704 - 716 815 - 830 830 - 845 832 - 862 1447.9 - 1462.9 3410 - 3500 2000 - 2020 1625.5 - 1660.
microSIM & microSD Card Slot Pictures 7, 8: MicroSIM & MicroSD Card Slots 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. Cellular Antennas The Micronet SmarTab 8 has two Main and Diversity internal integrated antennas.
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). After interrupting charging, the power source from the SmarTab 8 battery reconnects and provides power to the CPU.
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. Please refer to the detailed description of the standard cradle USB Communication and of the enhanced cradle USB Communication.
Single Wire CANBus The Micronet SmarTab 8 provides a single wire CANBus port through its enhanced cradle. Please refer to the detailed description of the enhanced cradle 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 SAE J1708. 4.
Cradle Front View Latch LED 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 Rev. 6.
Cradle Rear View Fix Mount Lock Screw Buzzer Camera and Flash Window Fix Mount Lock Cover NFC Card Slot External Speaker Cable Connectors Compartment Mounting Screw Nuts Figure 9: Cradle Rear View Components For more information about the cradle rearview see: • NFC Proximity Slot • Mounting Arm Screw Nuts • Fix Mount Lock • LED and Buzzer Fix Mount Lock The Standard and Enhanced cradles have a locking mechanism option to dock the SmarTab 8 to the cradle permanently.
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. 5. Standard Cradle Model Overview The standard cradle model supports a basic set of interfaces, including vehicle power, an ignition switch signal, and an RS232 communication port.
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. 6.
Figure 12: Molex 4-Pin Male Connector Cradle Power Consumption Table 1: Micronet SmarTab 8 Standard Cradle Current Consumption Micronet SmarTab 8/ Standard Cradle Current Consumption Micronet SmarTab 8 Un-docked Micronet SmarTab 8 Docked 12V 24V 12V 24V 3mA 3mA 240mA 130mA USB Communication The standard cradle has a USB 'Type C' device connector (marked as P3 in Figure 10 above) that supports DFP (Downstream Facing Port) for device connection and UFP (Upstream Facing Port) for connecting to a US
Note: OS Burn using Fastboot only works through the USB Type -C plug – not the cradle. Serial Communication The Micronet SmarTab 8 standard cradle provides a serial communication (on P2) and serial debug interface (on P3).
Shown in table 2 are the electrical specifications for the automotive input and output pins: Table 2: Automotive Signal States, Electrical Parameters Input State LOW Typical (V) Min Voltage (V) 0V -30V 12V-24V +7V Max Voltage (V) +6V +30V HIGH Rev. 6.2 Output State Max Saturation Voltage (V) HIGH 0.
6. Enhanced Cradle Model Overview The Enhanced Cradle ST-CRD model supports a wide range of serial communication ports, control I/O signals, and vehicle BUS interface connections. Platform Core MCU Processor The enhanced cradle MCU CPU consists of the Freescale K20_120 MQX RTOS.
Cradle Dev Cable. The additional enhanced cradle interfaces are shown below in figure 15 and 16 on the enhanced cradle development cable drawing and pinout: 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.
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. 6.
Figure 17: Molex 10-Pin Male Connector SAE CANBus The SmarTab 8 enhanced cradle provides two SAE CANBus ports that enable the connection of a variety of vehicle peripherals, such as the vehicle's computer, vehicle's sensors and so on. The provided CANBus V2.0B supports the following functionality: ▪ ▪ ▪ ▪ ▪ Software configurable BAUD rate Supported bitrates: 10 Kbits/sec, 20 Kbits/sec, 33.
Serial Connector The Micronet SmarTab 8 enhanced cradle provides an additional two serial communication lines (on P3) compared to the standard cradle. The serial communication connector is described similarly in figure 16 above and is shown in figure 18 below: 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.
USB Communication USB HOST The enhanced cradle is a USB HOST. Note, however, that the USB lines are part of the Standard Cradle Dev Cable. The USB Host interface supports the following profiles: • USB Standard HID • USB Printer (PCL) • USB Storage USB CLIENT The USB Client interface supports Android ADB for application development and device management.
The IGN line powers on the device from a shutdown state. For proper power management, the ignition line should be connected to the vehicle’s ignition switch. Analog Inputs GPIO can be treated as an analog input to monitor the value range of compatible vehicle sensors, such as an analog fuel gauge. 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.
Figure 10: Customized Front Panel Label The standard cradle model supports a basic set of interfaces, including vehicle power, an ignition switch signal, and an RS232 communication port. Micronet SmarTab 8 Standard Cradle Current Consumption Micronet SmarTab 8 Un-docked Micronet SmarTab 8 Docked 12V 24V 12V 24V 3mA 3mA 240mA 130mA Serial Communication Serial Port 1 (COM1) The Micronet SmarTab 8 standard cradle supports an (EIA) RS-232 level serial communication on its port.
USB Communication USB TYPE-C The standard cradle supports a USB Type-C port. It supports DFP (Downstream Facing Port) for device connection as UFP (Upstream Facing Port) for connecting to a USB HUB, Desktop, ADB for debugging, and device configuration. It also supports dual-role behavior according to the USB3. X standard for DRP (Dual Role Port). There are two ways to use the USB: • Through the Micronet SmarTab 8 USB Type-C connector on the left panel.
Table 2: Ignition line States, Electrical Parameters Input State Rev. 6.
6. Enhanced Cradle Model Overview The Enhanced Cradle ST-CRD model supports a wide range of serial communication ports, control I/O signals, and vehicle BUS interface connections. Platform Core MCU Processor The enhanced cradle MCU CPU consists of the Freescale K20_120 MQX RTOS.
Serial Communication The enhanced cradle supports four serial communication ports for external devices connections, and a debug port connected to the MCU Co-Processor. These ports support various hardware and software flow control functions. For more information about the interface signals, please see the signal map Pinout by Functionality. Serial Port 1 (COM1) The enhanced cradle supports an (EIA) RS-232 level serial communication on its port. It provides TX and RX signals at 300 up to 115,200 bps.
• Through the Micronet SmarTab 8 cradle USB Client cable while the tablet is docked. Note: OS Burn using Fastboot only works through the USB TYPE-C plug – not the cradle. General Purpose I/O 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. Digital inputs IGN (automotive voltage state) is for monitoring the ignition switch signal.
SAE CANBus The SmarTab 8 enhanced cradle provides two SAE CANBus ports that enable the connection of a variety of vehicle peripherals, such as the vehicle's computer, vehicle's sensors, and so on. The provided CANBus V2.0B supports the following functionality: ▪ ▪ ▪ ▪ ▪ Software configurable BAUD rate Supported bitrates: 10 Kbits/sec, 20 Kbits/sec, 33.
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 • digital input line • USB TYPE-C type A connector cable to be connected on the computer USB Host connector • Serial port with TX, RX, GND signals, baud rate 300-115,200 bps Rev. 6.
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 • V - Voltage signal • G – Ground • P – Positive • N – Negative Interface Connectors The SmarTab 8 enhanced cradle interface contains two Dsub Male connectors. All pins are ESD protected (against electrostatic discharge).
Figure 11: Main 15-pin Male D’sub connector Pinout by Pin Number The following table lists the main 15-pin D’sub connector signals by PIN.
8 RS232_TX1 9 O O Transmit Data (COM1) EIA-RS232 level Open Collector Output 1 Max. switchable current = 300mA Max. switchable voltage = +VIN Max. saturation voltage = 0.6V O.C.
11 RS232_RX5 I 12 RS232_RX1 I 13 GND G 14 Automotive Input 15 N/A I Receive Data DBG Receive Data (COM1) MCU Debug Port EIA-RS232 Level EIA-RS232 Level Ground Digital Input 1 Typical Input Low: VIL 0V Input High: VIH 12V-24V 0V-30V max, 12k OHM Min Max -30V 6V +8V +30V Secondary Connector Pinout Figure 13: Secondary 26-pin Male D’sub connector Pinout by Pin Number The following table lists the 26-pin D’sub connector signals by PIN.
5 CAN 1 H I/O CAN High Signal Twisted Pair 6 O.C Output O Open-Collector Output 2 Same as Output 1 7 O.C.
Rev. 6.2 5 CAN 1 H I/O CAN High Signal 6 O.C Output O Open-Collector Output 2 Same as Output 1 7 O.C.
8. SmarTab 8 Cradle Installation Mechanical Installation Mounting Arm The rear panel of the Micronet SmarTab 8 cradle provides the mechanical infrastructure for a RAM® mount arm installation. The RAM® mounting arm is a flexible, rotating, arm-based mount that provides a wide range of fixed incabin positions for maximum comfort and visibility. The mounting arm screw positions on the cradle rear panel are compatible with Amp's standard mounting-arm products.
1. M5 thread 2. PEM thread length 6.6 mm 3. Screw length 5.5 mm + Mounting Arm Ball Base Adapter depth Figure 15: Micronet SmarTab 8 Cradle Rear Panel Mounting Arm PEM Screws Inserts Dimensions Mounting Arm Ball Base Adapter Figure 16: Mounting Arm Ball Base Adapter thickness Device Installation Steps 1. 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. 2.
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. Figure 17: Electrical Installation Scheme Electrical Installation Procedure 1. Prepare the wiring for power, ground, and ignition switch in the vehicle for connecting to the Micronet SmarTab 8 cradle cable. 2.
NOTE The cradle must be connected to power before inserting the Micronet SmarTab 8 into the cradle. If the Micronet SmarTab 8 is inserted while the cradle is not connected to power, the Micronet SmarTab 8 shuts down immediately. 9. 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.
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.
10. Physical Characteristics Table 8: Physical Characteristics Dimension Measurement Micronet SmarTab 8 Portable Width Height Depth Weight 8.85 inch 225 mm 5.91 inch 150 mm 0.70 inch 18 mm 24.69 oz. 0.7 Kiligrams Micronet SmarTab 8 Fixed Width Height Depth Weight 8.85 inch 225 mm 5.91 inch 150 mm 1.41 inch 36 mm 28.21 oz. 0.8 Kiligrams Micronet SmarTab 8 with Basic or Enhanced Cradle Rev. 6.2 Width 9.05 inch 230 mm Height 7.08 inch 180 mm Depth 1.37 inch 35 mm Weight 12.
11. Known Issues Overview The Micronet SmarTab 8 has some known issues discovered in the alpha launch and pre-production testing. These are listed below: SD Card Format Error: 1. BUG – 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). 2.
12. Compliance Information FCC Compliance: FCC Compliance Statement: 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 undesired operation. This device must accept any interference received, including interference that may cause undesired operation. Product that is a radio transmitter is labeled with FCC ID.
IC Canada Compliance: Notes(IC) (EN)This device complies with the applicable industry Canada) License exempt radio apparatus, the operation is authorized under the conditions as follows: (1) this device may not cause interference, and (2) the user of this device must accept any interference caused, even if the interference is likely to affect its performance. (FR)Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
EU Regulatory Conformance: The manufacturer hereby declares that this device is in compliance with the essential requirements and other relevant provisions of Radio Equipment Directive 2014/53/EU. The device is restricted to indoor use only when operating in the 5150 to 5350 MHz frequency range. WWAN WLAN BT Rev. 6.
