Correspondence between API registers and API
low-layer driver functions
LL_USART_ConfigMultiProcessMode
LL_USART_ConfigSmartcardMode
LL_USART_DisableSmartcard
LL_USART_IsEnabledSmartcard
LL_USART_GetSmartcardGuardTime
LL_USART_SetSmartcardGuardTime
LL_USART_GetIrdaPrescaler
LL_USART_GetSmartcardPrescaler
LL_USART_SetIrdaPrescaler
LL_USART_SetSmartcardPrescaler
LL_USART_IsActiveFlag_nCTS
LL_USART_IsActiveFlag_IDLE
LL_USART_IsActiveFlag_LBD
LL_USART_IsActiveFlag_ORE
LL_USART_IsActiveFlag_RXNE
LL_USART_IsActiveFlag_TXE