UM2235
Hardware description
and configuration
DocID030718 Rev 1
9/17
2.1.2
GPIO option
The ST25DV_LPD and ST25DV_GPO optional signals can be disconnected from the
STM32 Nucleo board by removing, respectively, R11 and R1 resistors.
The same option applies to the lines driving the three general purpose LEDs (MCU_LED1,
MCU_LED2 and MCU_LED3) that can be dedicated to other purposes (by removing R2,
R3 and R4, respectively)
a
.
a
Refer to
Section 3: "X-NUCLEO-NFC04A1 expansion board component placement, block diagram and
. In case these connections are modified the firmware must be updated to enable proper use of the
STM32 Nucleo resources.