Table 148. Usart Register Map And Reset Values - STMicroelectronics STM32F405 Reference Manual

Universal synchronous asynchronous receiver transmitter (USART)
30.6.8 USART register map
The table below gives the USART register map and reset values.
Offset Register
USART_SR
0x00
Reset value
USART_DR
0x04
Reset value
USART_BRR
0x08
Reset value
USART_CR1
0x0C
Reset value
USART_CR2
0x10
Reset value
USART_CR3
0x14
Reset value
USART_GTPR
0x18
Reset value
Refer to Section: Memory map for the register boundary addresses.
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Table 148. USART register map and reset values

Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
DocID018909 Rev 11
0 0
0
DIV_Mantissa[15:4]
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
STOP
[1:0]
0 0 0 0 0 0 0
0 0 0 0
GT[7:0]
0 0 0 0 0 0 0 0
RM0090
1 1 0 0 0 0 0 0
DR[8:0]
0 0 0 0 0 0 0 0
DIV_Fraction
[3:0]
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
ADD[3:0]
0 0 0 0 0 0
0 0 0 0 0 0 0 0
PSC[7:0]
0 0 0 0 0 0 0 0