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UM1454 HW description
Doc ID 022085 Rev 2 19/28
2.6.5 Install the CP2102 drivers
The following steps are needed to install the driver for use of the USB-UART bridge CP2102
on your PC.
Note: The driver can be found on the silicon labs web page at www.silabs.com, and a copy is also
included in the IDZ3LIB.
Unzip the file CP210x_VCP_Win2K_XP_S2K3.zip
Double click on CP210x_VCP_Win2K_XP_S2K3.exe to install the driver
Connect the STEVAL by inserting the USB connector in one of the USB slots of the PC.
To use the USB-to-UART bridge, the jumpers JP3, JP4, JP5, and JP6 must be configured as
shown in
Figure 11 . When the driver is correctly installed, it is possible to see the COM
associated to the STEVAL listed in the “Ports” field of the computer management utility of
the PC (see
Figure 15 ).
If you want to connect multiple STEVALs to the PC via the USB-to-UART bridge, it is
necessary to appropriately reprogram the ID associated to the CP2102 component. A tool
from silicon labs can be used for this operation. That tool and related documentation is also
available (an144sw.zip) in the IDZ3LIB.
Figure 15. COM associated to USB-to-UART bridge
2.6.6 Install and run the Flash loader demonstrator tool
STM32W Flasher, is a useful utility for loading the bin files on the STEVAL via the USB
connector.
Running stm32w_flasher.exe without arguments shows all the available command options,
as shown in
Figure 16 .
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