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RE3
Single Board Computer
User Guide
Document Reference: RE3 User Guide
Document Issue: 1.3
Page | 1

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Summary of Contents for BlueChip RE3

  • Page 1 Single Board Computer User Guide Document Reference: RE3 User Guide Document Issue: 1.3 Page | 1...
  • Page 2: Table Of Contents

    RE3 Heatsink ..............................21 System Software ..............................22 Operating Systems Supported ........................... 22 General Purpose I/O ............................22 SYSFS ................................22 GPIO Mapping for RE3 ..........................22 Bootloader Firmware ............................23 Maintenance ................................. 24 Amendment History ............................. 24 Page | 2...
  • Page 3 Table Of Contents Cable Options ............................... 25 Audio P7 – BCT p/n 1371-1421 ........................25 GPIO P6 – BCT p/n 1371-1422 ........................25 Utility P7 – BCT p/n 1371-1423........................26 RS232 P10 – BCT p/n 1371-1425 ........................ 26 RS232/422/485 P11 – BCT p/n 1371-1426 ....................27 Camera In ..............................
  • Page 4: Copyright

    Introduction Copyright All rights reserved. No part of this publication may be reproduced, stored in any retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopied, recorded or otherwise, without the prior permission, in writing, from the publisher. For permission in the UK please contact Blue Chip Technology. Information offered in this manual is believed to be correct at the time of printing.
  • Page 5: Regulatory Statements

    Introduction Regulatory Statements This product has been designed and assessed to meet the essential protection requirements of the European EMC Directive (2004/108/EC), the Low Voltage Directive (2006/95/EC), and the R&TTE Directive (1999/5/EC) when installed and used in conjunction with the guidelines provided within this document. [Note that compliance with the R&TTE directive is only required for those versions of the product equipped with radio frequency interfaces].
  • Page 6: Manual Organisation

    Firmware Setup Maintenance details We strongly recommend that you study this manual carefully before attempting to interface with the RE3 or change the standard configurations. Whilst all the necessary information is available in this manual we would recommend that unless you are confident, you contact your supplier for guidance.
  • Page 7: Introduction

    Product Summary Introduction The Blue Chip Technology RE3 (BCT-RE3) is the next step in the highly successful RE range of all in one compact computers. The BCT-RE3 has multiple CPU options, 1GHz Dual Core and 1GHz Quad Core. Both options are available as extended temperature product.
  • Page 8: Functional Overview

    Overview Functional Overview The following block diagrams show the I/O and Power Management for the RE3 Page | 8...
  • Page 9: Specification

    Overview Specification • Dual or Quad Cortex A9 CPU • 1GB DDR3 Memory soldered onboard • 1GB NAND Flash soldered onboard Optional μSD Card NAND Flash Storage • • SATA 3Gbit Socket • H.264 1080p60 decode, 1080p30 encode and 3-D video playback in HD •...
  • Page 10: General Precautions

    Electro-Static Discharges It is important to realise that the components on the RE3 can be damaged by static electricity. Bear in mind that the damage caused by static electricity may vary from total destruction to partial damage, which may not be immediately obvious.
  • Page 11 Precautions Any metal back plate must be securely screwed to the chassis of the computer to ensure good metal-to- metal (i.e. earth) contact. Metal, screened, connector bodies should be securely connected to the enclosure. The external cabling to boards causes most EMC problems. It is recommended that any external cabling to the board be totally screened, and that the screen of the cable connects to the metal end bracket of the board or the enclosure and hence to earth.
  • Page 12: Mechanical Specifications

    Installation Mechanical Specifications Outline Dimensions Page | 12...
  • Page 13: Connector Locations

    Installation Connector Locations Connector Description Connector Description RJ45 Ethernet USB-A x 2 0USB-B P4 / P15 Power Input Audio GPIO Utilities LCD Video RS232 (COM3) RS232 (COM2) and RS422/485(COM1) Battery SIM Socket Camera Input #1 Camera Input #2 Fan Connector SATA Mini PCI Express Note: Not all connectors may be fitted...
  • Page 14: Connector Details

    USB 1 Data Positive Ground Filtered Electrical ground P4/P15 – Power in Connector The RE3 has the option to be powered from either a 2.5/5.5mm Power Jack (P4) or a 2 Pin Screw Terminal (P15) Pin 1 Ground Pin 2...
  • Page 15: P5 - Audio Connector

    The GPIO outputs are designed for flexibility, and will interface to electronics operating with signal levels between 2.3V & 5.5V DC. The function and direction of the GPIO signals is configured by RE3 software (see the software manuals for details of GPIO port mappings and configuration).
  • Page 16 The RE3 provides for the option to provide VCC from the RE3 itself via a solder link LK5. In order to convert the RE3 to provide GPIO VCC, it is necessary to solder a link across two pads as shown...
  • Page 17: P7 - Utilities Connector

    Installation P7 – Utilities Connector Power Wake Power_Off# Wake# / SLEEP_RQ# Ground Ground Reset Battery Reset# VBAT Ground Ground Serial Bus Setup Serial Clock Boot MODE# Serial Data Ground Ground P10 – RS232 Full Connector Signal Comments XDCD3# COM 3 Data Carrier Detect XRX3 COM 3 RX XTX3...
  • Page 18: P8 - Video Connector

    Installation P8 – Video Connector Mating Part FFC 0.5mm Pitch 50Way Signal Comments 0 volts Electrical ground Touchscreen Data Touchscreen Data Touchscreen Data Touchscreen Data 0 volts Electrical ground LCD_PWM2 PWM Brightness Control 2 LCD_PWM1 PWM Brightness Control 1 0 volts Electrical ground I2C Data I2C Clock...
  • Page 19: P30 - Fan Connector

    Installation P30 – Fan Connector Mating part is Molex 87439-0200 1.5mm PICO-SPOX Pin 1 Vcc_5V Pin 2 Ground/ FanPWM Pin 2 is switched ground with a flyback diode incorporated, to absorb the back EMF from a fan motor. The output can be operated as a digital output (high or low) or as a PWM signal. The fan is driven from the PIC microcontroller, by sending an I2C command from the i.MX6 to the PIC.
  • Page 20 Installation Applications The relatively high battery current consumption may be important depending on the application. When using a CR2032 battery, a simple calculation shows that the RTC may be able to hold up for around 34 days without the main power: Based on CR2032 typical capacity of 225mAh 225mAh / 275uA = 818h 818/24 = 34.09 days...
  • Page 21: Thermal Considerations

    5CFM, this drops to around 12˚C above ambient The IMX6 core temperature is only one factor when designing the RE3 into an enclosure. It is just as important to ensure that the local ambient around the PCB does not exceed the maximum rated for the particular variant.
  • Page 22: System Software

    The Linux GPIO documentation can be found here: https://www.kernel.org/doc/Documentation/gpio/sysfs.txt This web page also has some useful examples: http://falsinsoft.blogspot.co.uk/2012/11/access-gpio-from-linux-user-space.htm GPIO Mapping for RE3 The mapping between RE3 numbered GPIOs and the SYSFS names is shown below: RE3 Signal SYSFS name CONN_GPIO1 gpio4...
  • Page 23: Bootloader Firmware

    Firmware Bootloader Firmware Refer to the relevant BCT RE3 Linux/Android User Guide for more details on configuring the RE3 bootloader. The following is a quick summary of how to setup the correct display output. This is achieved via the debug port connected to a control PC running a terminal emulator such as PUTTY.
  • Page 24: Maintenance

    History Maintenance The RE3 Computer should not require any regular maintenance. Amendment History Issue Level Issue Date Author Amendment Details May 2014 Tmck Prototype release Added Thermal Management notes and cable details June 2014 Updated Mating Connector info June 2014...
  • Page 25: Cable Options

    Appendix Cable Options Cable assembly drawings for Blue Chip cable options can be provided on request by contacting Technical Support via the help desk at support.bluechiptechnology.co.uk Audio P7 – BCT p/n 1371-1421 Mating part is Molex 51021-0800 GPIO P6 – BCT p/n 1371-1422 Mating part is Molex 51021-1500 Page | 25...
  • Page 26: Utility P7 - Bct P/N 1371-1423

    Appendix Utility P7 – BCT p/n 1371-1423 Mating part is Molex 51021-1300 RS232 P10 – BCT p/n 1371-1425 Mating part is 3M 152210-0100-GB Page | 26...
  • Page 27: Rs232/422/485 P11 - Bct P/N 1371-1426

    RS232/422/485 P11 – BCT p/n 1371-1426 Mating part is Molex 51021-1200 Camera In To connect to the UFL connection on the RE3, the following cable and adapter are available Ufl-BNC – BCT p/n 1371-1603 BNC-Phono – BCT p/n 1475-1013 Page | 27...
  • Page 28: Lcd Options

    Appendix LCD Options The RE3 can be supplied with a LCD as an assembly to aid integration into the customers design. Please check with Blue Chip Technology Sales for details of which panels and assemblies are offered. The following shows details for an assembly including the URT UMSH-8173MD-1T 7.1” display with touch screen.
  • Page 29 Personality Module to the RE3. Before assembly they should be carefully folded to aid integration. Badly routed cables can affect EMC Attach the display FFC first then position the RE3 cable next as this will be routed under the Personality Module.
  • Page 30 Appendix Outline Dimensions for RE3 + 8173 Assembly Page | 30...

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