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OLIMEX MOD-RFID125 User Manual

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MOD-RFID125
User Manual
All boards produced by Olimex are ROHS compliant
Rev.A, February 2008
Copyright(c) 2008, OLIMEX Ltd, All rights reserved

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Summary of Contents for OLIMEX MOD-RFID125

  • Page 1 MOD-RFID125 User Manual All boards produced by Olimex are ROHS compliant Rev.A, February 2008 Copyright(c) 2008, OLIMEX Ltd, All rights reserved...

  • Page 2: Electrostatic Warning

    EM4102 tags with 64 periods of carrier frequency per data bit. All the complexity of RFID tag detection, verification and decoding are handled by MOD-RFID125. After it strips the header and the checksums user is given the 40-bit ID of the transponder tag.
  • Page 3 HyperTerminal or other terminal program.
  • Page 4 POWER SUPPLY: Normally the device is supplied from USB. MOD-RFID125-BOX can be connected to external 6-9V DC power supply. This can relief the USB hub power supply when device is in USB HID or USB CDC mode. External power supply is mandatory for UART mode of operation.

  • Page 5: Pc Driver Installation

    Drivers for the USB HID mode are integrated in Windows XP/Vista. The driver for USB CDC mode is available from our website. Windows installation steps are the following: 1. Download and unzip the file “MOD-RFID125-drivers.zip” in a temporary directory. 2. Plug the programmer in the USB port.
  • Page 7 Linux distributions normally include drivers both for USB HID and USB CDC classes. Depending on which driver is loaded in the kernel, user should look either for /dev/ttyACMn /dev/ttyUSBn where "n" is a number, assigned by the kernel to the plugged device. USB HID MODE: When device is connected via USB to a host PC it will represent itself as USB HID keyboard.

  • Page 8: Uart Mode

    The command line interface, available in USB CDC and UART modes, allows device configuration and reading of successfully decoded TAG IDs. Just open the serial port assigned to MOD-RFID125 using HyperTerminal or similar terminal program, and start typing commands. For the impatient: type '?' and press enter to see a short help for the supported commands.
  • Page 9 4. Command r This command is only valid if device is in single read mode (see below). It will trigger a single TAG read. If TAG ID is successfully read, it will be printed. Otherwise if operation timed out, zeros will be printed.

  • Page 10: Firmware Upgrade

    FIRMWARE UPGRADE: MOD-RFID125 contains a built-in boot loader for easy firmware upgrade. Device enters boot loader mode if the application FLASH section is corrupted. To force the device to enter boot loader mode for manual firmware update do the following: 1.

  • Page 11: Electrical Characteristics

    ELECTRICAL CHARACTERISTICS: Symbol Description Condition Power Supply Voltage. Power Supply Current Idle (RF scanning not active) CC,NOLE with deactivated Continuous scanning LEDs. Scanning 2 times per second Power Supply Current Continuous scanning with activated LEDs. Scanning 2 times per second...
  • Page 12 ORDER CODE: MOD-RFID125 – assembled and tested (no kit, no soldering required) MOD-RFID125-BOX – assembled and tested (no kit, no soldering required) How to order? You can order to us directly or by any of our distributors. www.olimex.com/dev Check our web for more info.
  • Page 13 This document is intended only to assist the reader in the use of the product. OLIMEX Ltd. shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such...

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