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Elatec TWN4 MultiTech Nano Technical Handbook

Devboard i/o extender
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TWN4 MultiTech Nano DevBoard I/O Extender
Technical Handbook
DocRev1, January 31, 2017
Elatec GmbH

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Summary of Contents for Elatec TWN4 MultiTech Nano

  • Page 1 TWN4 MultiTech Nano DevBoard I/O Extender Technical Handbook DocRev1, January 31, 2017 Elatec GmbH...

  • Page 2: Table Of Contents

    Contents Contents 1. Introduction ..........2.

  • Page 3: Introduction

    User-interaction as well as for debug purposes. The I/O Extender also offers a generic Clock/Data port, driven through the GPIO of the TWN4 MultiTech Nano Module. This generic port can be used to send/receive data in OMRON, Wiegand and other custom formats.

  • Page 4: Getting Started

    2. Getting Started 2. Getting Started 2.1. Functional Overview The functional layout of the I/O Extender is shown on Figure 2.1. Main features are: • RS-422/485 port with optional on-board 120-Ohm terminations. A Jumper is available to select between Half- and Full-Duplex operating modes. •...

  • Page 5: I/O Extender Bring-Up

    2. Getting Started 2.2. I/O Extender Bring-Up Ensure both the Development Board and the I/O Extender are disconnected from Power. Attach the I/O Extender to the Expansion Slot of the Development Board as shown on Figure 2.2. Ensure correct align- ment of the I/O Extender;...

  • Page 6: Using Peripherals

    3.1. RS-485/422 Port Connected to the COM2 port of TWN4 MultiTech Nano Module through a MAX1485CUB Transceiver. The interface facing the Nano Module operates at 3.3V supply. There are 2 single-ended signals to transmit and receive data (COM2_TX and COM2_RX) and an active-high TX_Data_Enable (driven by GPIO 4).

  • Page 7: Generic Output Clock/Data Port

    3. Using Peripherals 3.3. Generic Output Clock/Data Port This port is an output-only port consisting of 3 single-ended signals driven through the Nano Module GPIO. Due to its generality, an OMRON, Wiegand, or a custom interface can be implemented here. A pin can take on a data or a clock functionality, depending on the User’s requirements.

  • Page 8: Graphic Lcd Display Via Spi

    3. Using Peripherals 3.5. Graphic LCD Display via SPI The LCD Display device used is EA-DOGS102-S. It interacts with the Nano Module via the SPI interface. The backlight for the Display can be enabled/disabled using Jumper J7. An API is available in the Development Pack to facilitate basic drawing operations on the LCD Display. It currently supports only black-and-white mode of operation.

  • Page 9: Spi Display String 6X8 Xy

    3. Using Peripherals 3.5.3. SPI Display String 6x8 XY This method prints a string of ASCII characters. Display of ASCII characters is made possible through a symbol look-up table. Every character is represented by a 6x8 matrix of pixel data; the matrix incorporates 1-pixel separation between characters.

  • Page 10: Spi Display Draw Line

    3. Using Peripherals 3.5.4. SPI Display Draw Line This method prints a straight horizontal or vertical line on the Display. Unlike the "SPI Display String 6x8 XY" method, the start and end coordinates are given in pixel format. A line length can effectively be a single dot on the screen.

  • Page 11: Disclaimer

    4. Disclaimer 4. Disclaimer Elatec reserves the right to change any information or data in this document without prior notice. The distribution and the update of this document is not controlled. Elatec declines all responsibility for the use of product with any other specifications but the ones mentioned above. Any additional requirement for a specific custom application has to be validated by the customer himself at his own responsibility.

  • Page 12: Appendix: Connector Pinout Reference

    A. Appendix: Connector Pinout Reference A. Appendix: Connector Pinout Reference Pin Name Function A: Uni-Directional Port + Non-Inverting RX Data Port. Used in Full-Duplex Mode only. B: Uni-Directional Port - Inverting RX Data Port. Used in Full-Duplex Mode only. Y: Bi-Directional Port + Non-Inverting TX/RX Data Port.
  • Page 13 A. Appendix: Connector Pinout Reference The Relay port can be used together with Generic Clock/Data port for debug or demonstration purposes. "Card-In-Reader" pin of the Generic port switches the Relay on/off. GPIO 4 = HIGH -> CIR = LOW -> Relay Port Short pins 2-3 GPIO 4 = LOW ->...

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