FIFO Threshold

Defines
#define	LL_USART_FIFOTHRESHOLD_1_8   0x00000000U
#define	LL_USART_FIFOTHRESHOLD_1_4   0x00000001U
#define	LL_USART_FIFOTHRESHOLD_1_2   0x00000002U
#define	LL_USART_FIFOTHRESHOLD_3_4   0x00000003U
#define	LL_USART_FIFOTHRESHOLD_7_8   0x00000004U
#define	LL_USART_FIFOTHRESHOLD_8_8   0x00000005U

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Define Documentation

#define LL_USART_FIFOTHRESHOLD_1_2   0x00000002U

FIFO reaches 1/2 of its depth

Definition at line 271 of file stm32h7xx_ll_usart.h.

#define LL_USART_FIFOTHRESHOLD_1_4   0x00000001U

FIFO reaches 1/4 of its depth

Definition at line 270 of file stm32h7xx_ll_usart.h.

#define LL_USART_FIFOTHRESHOLD_1_8   0x00000000U

FIFO reaches 1/8 of its depth

Definition at line 269 of file stm32h7xx_ll_usart.h.

#define LL_USART_FIFOTHRESHOLD_3_4   0x00000003U

FIFO reaches 3/4 of its depth

Definition at line 272 of file stm32h7xx_ll_usart.h.

#define LL_USART_FIFOTHRESHOLD_7_8   0x00000004U

FIFO reaches 7/8 of its depth

Definition at line 273 of file stm32h7xx_ll_usart.h.

#define LL_USART_FIFOTHRESHOLD_8_8   0x00000005U

FIFO becomes empty for TX and full for RX

Definition at line 274 of file stm32h7xx_ll_usart.h.