ST STM32G471 User Manual

RM0440 Rev 4 1661/2126
RM0440 Universal synchronous/asynchronous receiver transmitter (USART/UART)
1733
37.7.5 USART baud rate register (USART_BRR)
This register can only be written when the USART is disabled (UE=0). It may be
automatically updated by hardware in auto baud rate detection mode.
Address offset: 0x0C
Reset value: 0x0000 0000
37.7.6 USART guard time and prescaler register (USART_GTPR)
Address offset: 0x10
Reset value: 0x0000 0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
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BRR[15:0]
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Bits 31:16 Reserved, must be kept at reset value.
Bits 15:0 BRR[15:0]: USART baud rate
BRR[15:4]
BRR[15:4] = USARTDIV[15:4]
BRR[3:0]
When OVER8 = 0, BRR[3:0] = USARTDIV[3:0].
When OVER8 = 1:
BRR[2:0] = USARTDIV[3:0] shifted 1 bit to the right.
BRR[3] must be kept cleared.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
GT[7:0] PSC[7:0]
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ST STM32G471 Specifications

General

Brand	ST
Model	STM32G471
Category	Microcontrollers
Language	English