Solved
Do LWIP and CS (Cellular Service) of X-CUBE-CELLULAR need 2 uart to work (one for each service) ? Or they need just one uart? If just one uart is needed, how is it shared between them?
Ronan GABOUBest answer
ST Employee
Nov 14, 2022 9:46 AM UTC
Hello,
There is only one UART between STM32 MCU and modem.
IPC make the abstraction.