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Figure 406. Usart Block Diagram - ST STM32L4 5 Series Reference Manual

Advanced arm-based 32-bit mcus
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Universal synchronous asynchronous receiver transmitter (USART)
1. For details on coding USARTDIV in the USART_BRR register, please refer to
rate
generation.
2. f
can be f
CK
1306/1830

Figure 406. USART block diagram

, f
, f
, f
.
LSE
HSI
PCLK
SYS
DocID024597 Rev 5
RM0351
Section 40.5.4: USART baud

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