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Drivers for EZ-USB® FX1™, FX2LP™ , and FX3 - KBA94413 | Cypress Semiconductor

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Drivers for EZ-USB® FX1™, FX2LP™ , and FX3 - KBA94413

Last Updated: April 04, 2016

What are the drivers for FX1™, FX2LP™, and FX3? 


The ZIP file attached with this knowledge base article contains the CyUSB3.inf and CyUSB3.sys files for FX3, FX2LP (CY7C68013A / CY7C68014A / CY7C68015A / CY7C68016A), and FX1 (CY7C64713)

The following operating systems are supported: 

  • Windows XP (32-bit and 64-bit)
  • Windows Vista (32-bit and 64-bit) 
  • Windows 7 (32-bit and 64-bit) 
  • Windows 8 (32-bit and 64-bit) 
  • Windows 8.1 (32-bit and 64-bit)
  • Windows 10 (32-bit and 64-bit). 

Use CyUSB3.inf in the path (after extracting the .zip file) shown in the table below for the respective OS. 

Operating System Folder path
Windows 10 Win10\x86
Windows 10 x64 Win10\x64
Windows 7 Win7\x86
Windows 7 x64 Win7\x64
Windows Vista vista\x86
Windows Vista x64 vista\x64
Windows XP wxp\x86
Windows XP x64 wxp\x64
Windows 8 Win8\x86
Windows 8 x64 Win8\x64
Windows 8.1 Win8.1\x86
Windows8.1 x64 Win8.1\X64

To match the device with the drivers, refer to the steps mentioned under the section "Matching Devices to the Driver " in the attached PDF file. Adding the VID/PID is already done in the attached inf file , so you can skip "Step A : Add the device's VendorID and ProductID to the CYUSB3.INF file".

File TitleLanguageFile SizeLast Updated
Download Drivers.zip21.32 MB12/10/15
Download Cypress CyUsb3 sys Programmers Reference GuideEnglish326.59 KB11/25/14
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