STM32L486xx HAL User Manual
Defines
RX Pin Active Level Inversion
USART Exported Constants

Defines

#define LL_USART_RXPIN_LEVEL_STANDARD   0x00000000U
#define LL_USART_RXPIN_LEVEL_INVERTED   (USART_CR2_RXINV)

Define Documentation

#define LL_USART_RXPIN_LEVEL_INVERTED   (USART_CR2_RXINV)

RX pin signal values are inverted.

Definition at line 469 of file stm32l4xx_ll_usart.h.

#define LL_USART_RXPIN_LEVEL_STANDARD   0x00000000U

RX pin signal works using the standard logic levels

Definition at line 468 of file stm32l4xx_ll_usart.h.