CP2104 Ver la hoja de datos (PDF) - Silicon Laboratories

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CP2104

USB DRIVERCUSTOMIZATION

Silicon Laboratories 

AN220

4.6. Device Options

4.7. Installation Options

The next step in the customization utility (shown in

Figure 9) is to configure the serial enumeration and

selective suspend options.

4.6.1. Serial Enumeration Support

This allows Windows to “enumerate” a device(s), such

as serial mice or an external modem, connected to the

CP210x . If your device always presents data to the PC

(such as a GPS device), then disable this to prevent

false serial enumerations.

Specific options for the GUI should now be specified.

4.7.1. Display GUI Window during Install

Check this option when using the generated Installer as

a stand-alone application. The Installer will display

several GUI windows during the installation process.

Uncheck this option to run the Installer in Quiet Mode.

When running in Quiet Mode, no GUI will be displayed.

This is useful when using another application to launch

this Installer.

4.6.2. Selective Suspend Support

4.7.2. Copy Files to Target Directory during Install:

Enabling this feature will put the device to sleep if it has

not been opened for a time longer than the specified

Timeout Value. This is used to save power on the PC

and is recommended unless your CP210x needs to be

powered if a handle to the device is not opened.

Check this option if a copy of the drivers will be needed

on the hard drive. This is useful when installing the

drivers from a CD. Uncheck this option if copies of the

driver files are not needed on the hard drive.

4.7.3. Target Directory

Selects the hard drive location that will contain a copy of

the driver files. The default location is C:\Program

Files\Silabs\MCU\CP210x for the VCP Driver and

C:\ProgramFiles\Silabs\MCU\USBXpress for the

USBXpress driver. If the “Display GUI window during

Installation” option is selected, this path can be changed

during installation by clicking the Browse button.

However, if the “Display GUI window during Installation”

option is not selected, then the default directory is

always used unless a directory is specified through the

command line. This option is ignored if the “Copy Files

to Directory during Setup” option is not selected.

Note: The Target Directory must be different for each

product released.

4.7.4. Display GUI Window during Uninstall

Figure 9. Device Options

Check this option when using the generated Uninstaller

as a stand-alone application. The Uninstaller will display

several GUI windows during the uninstall process.

Uncheck this option if the Uninstaller will be launched by

another application. The Uninstaller then runs in Quiet

Mode. When running in Quiet Mode, no GUI will be

displayed.

4.7.5. Remove Files from Target Directory during

Uninstall

Check this option if the files copied to the Target

directory should be removed upon uninstallation. This

option is ignored if the “Copy Files to Directory during

Setup” option is not selected.

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Rev. 0.6

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