Hardware layout and configuration
UM2140
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DocID029990 Rev 1
7.3 Embedded
ST-LINK/V2-1
The ST-LINK/V2-1 programming and debugging tool is integrated on the
32F723EDISCOVERY board. Compared to ST-LINK/V2 the changes are listed below.
The new features supported on ST-LINK/V2-1 are:
•
USB software re-enumeration
•
Virtual COM port interface on USB
•
Mass storage interface on USB
•
USB power management request for more than 100mA power on USB
These features are no more supported on ST-LINK/V2-1:
•
SWIM interface
•
Application voltage lower than 3V
For general information concerning the debugging and programming features that are
common to both versions V2 and V2-1, refer to
ST-LINK/V2 in-circuit debugger/programmer
for STM8 and STM32
User manual (UM1075).
7.3.1 Drivers
Before connecting the 32F723EDISCOVERY board to a Windows
®
7, Windows
®
8 or
Windows
®
XP PC via USB, a driver for ST-LINK/V2-1 must be installed. It can be
downloaded from the
www.st.com
website.
In case the 32F723EDISCOVERY board is connected to the PC before installing the driver,
the PC device manager may report some 32F723EDISCOVERY board interfaces as
“Unknown”. To recover from this situation, after installing the dedicated driver, the
association of “Unknown” USB devices found on the 32F723EDISCOVERY board to this
dedicated driver, must be manually updated in the device manager.
Note:
It is recommended to proceed using USB Composite Device, as shown in
Figure 7. USB composite device