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ST STM32F446 Series User Manual

ST STM32F446 Series
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RM0390 Rev 4 845/1328
RM0390 Universal synchronous asynchronous receiver transmitter (USART)
845
25.6.8 USART register map
The table below gives the USART register map and reset values.
Refer to Section 2.2.2 on page 56 for the register boundary addresses.
Table 161. USART register map and reset values
Offset Register
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x00
USART_SR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
CTS
LBD
TXE
TC
RXNE
IDLE
ORE
NF
FE
PE
Reset value 0011000000
0x04
USART_DR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
DR[8:0]
Reset value 000000000
0x08
USART_BRR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
DIV_Mantissa[15:4]
DIV_Fraction
[3:0]
Reset value 0000000000000000
0x0C
USART_CR1
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
OVER8
Res.
UE
M
WAKE
PCE
PS
PEIE
TXEIE
TCIE
RXNEIE
IDLEIE
TE
RE
RWU
SBK
Reset value 0 00000000000000
0x10
USART_CR2
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
LINEN
STOP
[1:0]
CLKEN
CPOL
CPHA
LBCL
Res.
LBDIE
LBDL
Res.
ADD[3:0]
Reset value 0000000 00 0000
0x14
USART_CR3
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
ONEBIT
CTSIE
CTSE
RTSE
DMAT
DMAR
SCEN
NACK
HDSEL
IRLP
IREN
EIE
Reset value 000000000000
0x18
USART_GTPR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
GT[7:0] PSC[7:0]
Reset value 0000000000000000

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ST STM32F446 Series Specifications

General IconGeneral
BrandST
ModelSTM32F446 Series
CategoryMicrocontrollers
LanguageEnglish

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