UART/USART/LPUART Hardware Flow Control CTS/RTS

[Mithona_P]

Hi!
Please guide me how to implement hardware flow control for inter-communication between two boards.
Board1: STM32U585xx   <--> Board2: BlueNRG-LPS

HAL & LL driver library for both devices

STM32CubeIDE & Wise-Studio

Thanks!