ST STM32L4 5 Series - Figure 406. USART Block Diagram

Universal synchronous asynchronous receiver transmitter (USART) RM0351
1306/1830 DocID024597 Rev 5
Figure 406. USART block diagram
1. For details on coding USARTDIV in the USART_BRR register, please refer to Section 40.5.4: USART baud
rate generation.
2. f
CK
can be f
LSE
, f
HSI
, f
PCLK
, f
SYS
.
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