Cirrus-logic AN278 Manual de usuario descargar pdf (Pagina 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, Inc. (www.silabs.com

). 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.

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Cirrus-logic AN278 Manual de usuario Pagina 2