Table 147. Usart Mode Configuration - STMicroelectronics STM32F405 Reference Manual

RM0090
30.5 USART mode configuration
Asynchronous mode
Hardware flow control
Multibuffer communication (DMA)
Multiprocessor communication
Synchronous
Smartcard
Half-duplex (single-wire mode)
IrDA
LIN
1. X = supported; NA = not applicable.
30.6 USART registers
Refer to Section: List of abbreviations for registers for a list of abbreviations used in register
descriptions.
The peripheral registers have to be accessed by half-words (16 bits) or words (32 bits).
30.6.1 Status register (USART_SR)
Address offset: 0x00
Reset value: 0x00C0 0000
31 30 29
15 14 13
Reserved
Universal synchronous asynchronous receiver transmitter (USART)

Table 147. USART mode configuration

USART modes
28 27 26 25
12 11 10 9
CTS
rc_w0
DocID018909 Rev 11
USART USART USART
1 2
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
X X X
24 23 22 21
Reserved
8 7 6 5
LBD TXE TC RXNE
rc_w0 r rc_w0 rc_w0
(1)
UART4 UART5
3
X X
NA NA
X X
X X
NA NA
NA NA
X X
X X
X X
20 19 18
4 3 2
IDLE ORE NF
r r r
USART
6
X
X
X
X
X
X
X
X
X
17 16
1 0
FE PE
r r
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