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10

6.

 

Place the new firmware update into the folder. 

 

 

 

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 
the USB-to-I2C software. 

 

 

 

Содержание USB-to-I2C

Страница 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 ...

Страница 2: ... have been made to ensure the accuracy of the information presented However SB Solutions Inc assumes no responsibility for the accuracy of the information No part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical for any purpose without the express written permission of SB Solutions Inc P O Box 4506 Cary NC 27519 4506 Microsoft and Windows are r...

Страница 3: ...HARDWARE DESCRIPTION 4 SPI Port 5 I C Port 5 GPIO 6 3 3V 6 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 8 USING USB TO I2C HARDWARE TO POWER USER s SYSTEM 8 USB to I2C Hardwa...

Страница 4: ...imum of a Pentium processor and an USB port The software allows the user to select a memory device EEPROM FRAM or SRAM from a menu and also provides several Universal modes to allow communication with most I C devices The USB to I2C software is designed to operate only with the included USB to I2C Professional hardware USB TO I2C PROFESSIONAL KIT CONTENTS USB to I2C Professional Hardware USB to I2...

Страница 5: ...he 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 Return shipping is the responsibility of the user ...

Страница 6: ... 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 You must have Administrator privileges to install the ...

Страница 7: ...where you plug the USB cable into the board USB LINK LED the LED should be illuminated when the cable has been connected between the PC and the USB to I2C hardware and the software has been installed correctly J2 Header Header J1 contains the connections to a user target application A 14 pin ribbon cable is included with the following definitions Signal Function Pin Wire Color VCC Unswitched 3 3V ...

Страница 8: ...talled SPI Port the SPI signals are connected to the target system from this port Note that these signals drive a 3 3V output To communicate with a SPI slave you require four signals and GND SSN Slave Select also known as CS or Chip Select MISO Master In Slave Out is connected to the SPI slave output MOSI Master Out Slave In is connected to the SPI slave input SCLK Serial Clock outputs the clock t...

Страница 9: ...should not exceed 40mA It is the user s responsibility to ensure that excessive current is not drawn from this supply pin 5V Switched Output provides the user with the ability to power a low power target system at 5V 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 It is the us...

Страница 10: ...nnected you must remove the jumpers at RPU If the jumpers are left in the circuit ensure that VP has a voltage source applied and note that the total I C sink current of 3mA is not exceeded when the target pull ups and USB to I2C pull ups are taken into consideration The SDA and SCL lines may be pulled up to a voltage range between 3 3V and 5 5V It may work at voltages down to 2 5V however the noi...

Страница 11: ...at the bottom of the USB to I2C software will also indicate if a power output is enabled Note that the 3 3V and 5V power outputs are disabled upon hardware reset To use the USB to I2C hardware in a 3 3V environment you will need to connect the SCL SDA GND and 3 3V or the VCC pin to your target system The pull up resistors may be left in the circuit or they may be removed by removing the jumpers at...

Страница 12: ...SB port It should also be disconnected from any user target hardware 2 Place a jumper across the bottom two pins of jumper JFU see figure in the 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 ...

Страница 13: ...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 the USB to I2C software ...

Страница 14: ...cations on the I2C bus for proper operation of connected peripherals any errors on the bus are detected and reported by the software Bus communication is stopped if errors are detected and can be resumed when the hardware problem is corrected and the transmission retried Keep the original USB to I2C installation CD ROM or downloaded file in the event the software needs to be re installed Future US...

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