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I2CTools USB-to-I2C User Manual

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USB-to-I2C
Professional Hardware User's Manual
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Hardware User's Manual
Hardware User's Manual
Hardware User's Manual
https://www.i2ctools.com/
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Summary of Contents for I2CTools USB-to-I2C

  • Page 1 USB-to-I2C © © © © Professional Professional Professional Professional Hardware User’s Manual Hardware User’s Manual Hardware User’s Manual Hardware User’s Manual https://www.i2ctools.com/...
  • Page 2 Information provided in this document is solely for use with the USB-to-I2C Professional product from SB Solutions, Inc. SB Solutions, Inc. reserves the right to make changes or improvements to this document at any time without notice. SB Solutions, Inc. assumes no liability whatsoever in the sale or use of this product, including infringement of any patent or copyright.

  • Page 3: Table Of Contents

    5V................................6 14-pin Ribbon Cable ........................... 6 USB-TO-I2C HARDWARE TO TARGET CONNECTION ............ 7 Minimum hardware connection between USB-to-I2C and User Hardware ....7 (Jumpers at RPU removed) ......................7 Typical hardware connection between USB-to-I2C and User Hardware ......8 (Internal pull-up resistors jumpers at RPU) ................

  • Page 4: Introduction

    INTRODUCTION The USB-to-I2C Hardware connects to a standard USB port found on most IBM- compatible PCs and provides bi-directional communication with I²C devices using the I²C protocol. The Hardware is powered directly from the PC's USB port. The LED, located beside the...

  • Page 5: Disclaimer And Warranty

    DISCLAIMER AND WARRANTY Proper use of USB-to-I2C is the sole responsibility of the user. SB Solutions, Inc. is not responsible for any damage resulting from misuse or improper installation. SB Solutions, Inc. will, at our option, repair or replace a defective USB-to-I2C hardware within thirty (30) days of the purchase date.

  • Page 6: Getting Started

    Internet connection for downloading the software. We recommend downloading the latest installation package from our website: https://www.i2ctools.com/manuals-and-downloads/ ADAPTER POWER REQUIREMENTS The USB-to-I2C Professional hardware obtains its power from the computer’s USB port. It should not be powered by an external power source. INSTALLATION USB-to-I2C Software •...

  • Page 7: Hardware Description

    • Connect the USB-to-I2C Hardware to a USB Port using a standard USB cable • The LED beside the USB port should illuminate after Windows has completed enumerating the device HARDWARE DESCRIPTION The figure above shows the items on the hardware which you should become familiar with.

  • Page 8: Spi Port

    The SPI pins may be used as IO pins controlled by the DLL, if not used for SPI functionality. I²C Port – connect these two pins (SDA and SCL) and GND to your target system. Details can be found in the section titled “USB-to-I2C Hardware To Target Connection” of this document.

  • Page 9: Gpio

    – provides the user with the ability to power a low power target system at 3.3V. The USB-to-I2C software has the ability to switch this output on and off. The total current provided by the USB-to-I2C Hardware to the target system should not exceed 40mA.

  • Page 10: Usb-To-I2C Hardware To Target Connection

    When connecting the USB-to-I2C Hardware to an I²C target system, a cable with a minimum of three (3) wires will be required. The SDA, SCL, and GND on the USB-to-I2C Hardware must be connected to their corresponding signals on the target.

  • Page 11: Typical Hardware Connection Between Usb-To-I2C And User Hardware

    VCC, 3.3V or 5V connectors on the USB-to- I2C hardware. The 3.3V and 5V power outputs can be turned on and off using the USB-to-I2C software or DLL. To turn on the power, select the appropriate item under the Options menu. A check mark will be shown in the menu beside an enabled power output.

  • Page 12: Firmware Updates

    Hardware Description section of this document). 3. Plug the USB-to-I2C hardware into the computer’s USB port. 4. The USB-to-I2C hardware will be displayed as a mass storage device in Windows, as shown below. 5. Select the firmware.bin file and delete it. You will be asked if you would like to...
  • Page 13 7. Disconnect the USB-to-I2C hardware from the USB port. 8. Remove the jumper from JFU. You can now use the USB-to-I2C Professional hardware with updated firmware. You can check to see which firmware revision is loaded by clicking on About in the Help menu in...

  • Page 14: Software Updates

    SOFTWARE UPDATES The USB-to-I2C software has a built-in update feature which allows you to check for updates whenever your PC has an internet connection. This feature can be found under the Options menu. USB-to-I2C updates can also be downloaded manually from the following website: https://www.i2ctools.com/manuals-and-downloads/...

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