UM0896
Configuration
Doc ID 17009 Rev 1
15/43
5.10 USB-OTG
configuration
The STM32 microcontroller can distinguish between the host and device mode of the
connected USB circuit by reading ID pin. It is possible to disconnect ID pin from USB
connector CN4 (see
Table 13
).
Table 13.
USB-OTG configuration
5.11 MicroSD
Card
The microSD Card connector connected to the SPI1 interface of the STM32 microcontroller
is available on the board. MicroSD Card detection is done through PA4 GPIO signal when
the card is inserted.
Figure 6.
SD Card formats
Jumper
Description
Configuration
R32
When 0
Ω
resistor is assembled in this position, the
ID signal of the STM32 microcontroller and the ID
signal of the connector CN4 are interconnected.
Otherwise there are disconnected.
(
Default - assembled
)
electronic components distributor