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Hardware layout and configuration
4.1
Embedded ST-LINK/V2-1
The ST-LINK/V2-1 programming and debugging tool is integrated on the
STM32F469I-DISCO board. Compared to ST-LINK/V2 the additional 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 100 mA power on USB
This feature is no more supported on ST-LINK/V2-1:
•
SWIM interface
For all general information concerning debugging and programming features common
between V2 and V2-1 please refer to ST-LINK/V2 user manual (UM1075) and technical note
(TN1235).
4.1.1
Drivers
Before connecting the STM32F469I-DISCO board to a Windows
Windows
downloaded from the
If the STM32F469I-DISCO board is connected to the PC before installing the driver, the
Windows
as "Unknown". To recover from this situation, after installing the dedicated driver
downloaded from the
found on STM32F469I-DISCO to this dedicated driver, must be updated in the device
manager manually. It is recommended to proceed using the USB Composite Device line, as
shown in
Note:
Prefer using the "USB Composite Device" handle for a full recovery.
4.1.2
ST-LINK/V2-1 firmware upgrade
ST-LINK/V2-1 facility for debug and flashing of the target microcontroller STM32F469NIH6
is integrated on the STM32F469I-DISCO board. For its own operation, ST-LINK/V2-1
employs a dedicated MCU with Flash memory. Its firmware determines ST-LINK/V2-1
12/30
®
10 PC via USB, a driver for ST-LINK/V2-1 must be installed. It can be
www.st.com
®
device manager may report some USB devices found on STM32F469I-DISCO
www.st.com
Figure
6.
Figure 6. USB Composite device
webpage.
webpage, the association of "Unknown" USB devices
UM1932 Rev 3
UM1932
®
®
7, Windows
8 or
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