An278 – Cirrus Logic AN278 User Manual
Page 2
AN278
2
AN278REV2
2. USBXpress
®
Installation
Important: The USBXpress driver must be installed prior to launching the Cirrus Power Measurement
Evaluation GUI.
The Cirrus Power Measurement Evaluation GUI uses the USBXpress driver to communicate with Cirrus
Power Measurement Evaluation target boards. The USBXpress driver is a product of and is supported by
Silicon Laboratories, In
This section shows the steps necessary to install the USBX-
press driver onto a PC. If the driver is already installed, these steps can be skipped.
1)
Connect the target board to the PC through an available USB port.
2)
Apply power to the target board.
3)
The PC will detect the target as an unknown device. Using the Windows
®
Device Manager, go to the
properties of the unknown device and select Update Driver.
4)
Select Install from a list or specific location then click Next.
5)
Select Include this location in the search and click the Browse button.
6)
Select the driver directory under C:\Program Files\CDBxxxx\ (the folder created in the GUI installation),
then click OK.