The examples posted on this page demonstrate the use of the FTDIChip-ID™ feature of the FT232R and FT245R devices.  The FTDIChip-ID™ is a permanent, unique number programmed into each IC during production that cannot be changed by the end user.  Since each number is unique, applications can be tied to specific devices, providing a dongle feature.  The USB-Key is ideal for developers wishing to utilise only the FTDIChip-ID™ security features without a UART or FIFO interface.

An application note is available on the FTDIChip-ID™ on our Application Notes page.  In order to extract the FTDIChip-ID™ from a FT232R or FT245R device, the FTChipID DLL is required and D2XX drivers must be installed.

The FTChipID DLL is available for Windows (V1.1.0), Linux (V0.1.0) and Mac OS X (V0.1.0).  A FTChipID programmer's guide is available from our Programming Guides page.

Example code showing how to use the FTChipID DLL is available for the following platforms:

• C Sharp (requires .NET interface DLL to be included in project)

• Delphi

• LabVIEW (7.0 and later)

• Visual Basic 6

• Visual Basic .NET (requires .NET interface DLL to be included in project)

• Visual C++ (Console Application)

• Visual C++ (MFC)

• Visual C++ (Win32)

A 64 Bit DLL for Windows OS is also available for download here.