WinUSB driver installation (LPC18xx/LPC43xx)

Document created by jorge_plascencia Employee on Apr 25, 2016Last modified by ebiz_ws_prod on Dec 13, 2017
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This procedure no longer applies to DFUSec/LCT. As of v2.00 of the LCT, you no longer need to manually install .NET or the WinUSB driver package - the LCT installer will do that for you if it already isn't installed. WinUSB only needs to be installed on Windows XP machines - it is already part of Win 7/8. All you need to do is download and install the LCT.

To install the WinUSB drivers for the LPC18xx/43xx boards, first configure the board for USB boot. Plug in the USB connector to the board (add external power to the board if necessary) and a new USB device (LPC) should appear.



Download the drivers at

Un-compress the drivers and point the driver installation dialog to the INF file in the uncompressed package. After installation is complete, you should have a new device available for the LPC18xx or LPC43x.




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