UM2448 Rev 5
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UM2448
B-STLINK-VOLT board extension description
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Figure 17. Opened casing for access to all connectors (through MB1440 adapter
board)
For connector description, refer to
.
12.3
Selection of bridge GPIO direction
The level-shifter components on the B-STLINK-VOLT board require to manually configure
the direction of bridge GPIO signals. This is possible through the SW1 switch on the bottom
of the board. Pin1 of SW1 is for bridge GPIO0, pin4 of SW1 is for bridge GPIO3. By default
