CP2104 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

CP2104

USB DRIVERCUSTOMIZATION

Silicon Laboratories 

AN220

4.3. String and File Name Customization

The next step in the customization utility (shown in

Figure 4) is to specify your preferred strings and

filenames. Each field is described in further detail below.

4.3.1. Company Name (Long Name for .inf File

Entries)

The company name appears in the .inf file entries and

has a maximum length of 255 characters.

4.3.2. Company Abbreviation (Short Name for .inf

File Entries)

The abbreviation appears in the .inf file entries and has

a maximum length of 31 characters.

4.3.3. File Name for .inf

This field allows for specification of a unique name for

the .inf file. The maximum length of this string is eight

characters. The generated file will be named

xxxxxxxx.inf.

4.4.2. Device List

The Device List allows multiple VID and PID

combinations to be added to one driver. Current devices

can be edited by double-clicking an entry.

Figure 5. VID and PID Customization

To add a new entry, click the Add button. A new dialog

box (shown in Figure 6) will appear with the following

options.

4.4.3. Device Type

This specifies which device is being customized. If the

VCP driver for the CP2105 is being customized, two

interface names will appear. Otherwise, only one

interface name will appear.

4.4.4. VID

Allows specification of a new vendor ID (VID).

4.4.5. PID

Figure 4. string and File Customization

4.4. VID, PID, and Device Name Customiza-

tion

The next step in the customization utility (shown in

Figure 5) allows multiple VID/PID combinations in one

driver. This entry is also where the Device Name, which

appears in Windows Device Manager, is specified. An

example for Windows 7 is shown in Figure 7.

Allows specification of a new product ID (PID).

4.4.6. Device Name

This string will be displayed in Device Manager under

the Ports or USB tab. If the VCP driver for the CP2105

is being customized, two interface names will appear.

4.4.1. General Device Installation Name

This field is the general description of device

installation. This will not appear in Device Manager, but

will show up during installation if the user is prompted

for a disk.

3

Rev. 0.6

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