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Use of FTDI devices in life support and/or safety applications is entirely at the user’s risk, and the
user agrees to defend, indemnify and hold FTDI harmless from any and all damages, claims, suits
or expense resulting from such use.
Future Technology Devices International Limited (FTDI)
Unit 1, 2 Seaward Place, Glasgow G41 1HH, United Kingdom
Tel.: +44 (0) 141 429 2777 Fax: + 44 (0) 141 429 2758
Web Site: http://ftdichip.com
Copyright © 2013 Future Technology Devices International Limited
Application Note
AN_255
USB to I2C Example using the
FT232H and FT201X devices
Version 1.0
Issue Date: 2013-09-30
FTDI have a range of devices which can be used to interface I
2
C devices to a
host computer over USB. These include both I
2
C Master and I
2
C Slave
solutions.
This application note provides information to assist engineers in designing
USB to I
2
C interfaces with these devices, including sample code. It then
illustrates their use by creating a simple I
2
C application with the FT232H
connected to the FT201X over I
2
C.
