Table 4.
S2-LP interface (optional) with STM32 Nucleo board
S2-LP signal
Default STM32 port
Optional STM32 port
GPIO0
PC7
PC1
To use the optional connection, mount R18, unmount R12
CSn
PA1
PB6
To use the optional connection, mount R9, unmount R13
CLK
PB3
PA5
To use the optional connection, mount R8, unmount R6
nS
PB4
PA9
To use the optional connection, mount R7, unmount R22
SDN
PA8
PB10
To use the optional connection, mount R19, unmount R10
To use the optional connections, modify the firmware on the basis of the STM32 resources used.
3.3
Current measurement
To monitor the
X-NUCLEO-S2868A1
expansion board power consumption, use jumper J1: connect an ammeter
probe between the connector pins 1 and 2 for measurements.
3.4
X-NUCLEO-S2868A1 component placement details
The figure below shows the component placement on the
X-NUCLEO-S2868A1
expansion board.
UM2405
Current
measurement
UM2405
-
Rev 1
page 6/19
Figure 3.
X-NUCLEO-S2868A1 on-board device placement
