LPS22 & LPS25 pin 3 is reserved. Should it be connected to GND or it may be unconnected?
If 1-layer PCB is used for LPS22 or LPS25, the pin 3 connection to GND requires some complication of the PCB.Is this pin 3 really connected to some internal circuit and must be connected to GND or it may stay unconnected?At least, when pin 3 is uncon...