STM32F303VB 데이터 시트보기 (PDF) - STMicroelectronics
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STM32F303VB Datasheet PDF : 133 Pages
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STM32F302xx/STM32F303xx
Functional overview
3.19
Universal synchronous/asynchronous receiver transmitter
(USART)
The STM32F302xx/STM32F303xx devices have three embedded universal
synchronous/asynchronous receiver transmitters (USART1, USART2 and USART3).
The USART interfaces are able to communicate at speeds of up to 9 Mbits/s.
They provide hardware management of the CTS and RTS signals, they support IrDA SIR
ENDEC, the multiprocessor communication mode, the single-wire half-duplex
communication mode and have LIN Master/Slave capability. The USART interfaces can be
served by the DMA controller.
3.20
Universal asynchronous receiver transmitter (UART)
The STM32F302xx/STM32F303xx devices have 2 embedded universal asynchronous
receiver transmitters (UART4, and UART5). The UART interfaces support IrDA SIR ENDEC,
multiprocessor communication mode and single-wire half-duplex communication mode. The
UART interfaces can be served by the DMA controller.
Refer to Table 6 for the features available in all U(S)ARTs interfaces
Table 6. USART features
USART modes/features(1)
Hardware flow control for modem
Continuous communication using DMA
Multiprocessor communication
Synchronous mode
Smartcard mode
Single-wire half-duplex communication
IrDA SIR ENDEC block
LIN mode
Dual clock domain and wakeup from Stop mode
Receiver timeout interrupt
Modbus communication
Auto baud rate detection
Driver Enable
1. X = supported.
USART1
X
X
X
X
X
X
X
X
X
X
X
X
X
USART2
X
X
X
X
X
X
X
X
X
X
X
X
X
USART3
X
X
X
X
X
X
X
X
X
X
X
X
X
UART4
X
X
X
X
X
X
X
X
UART5
X
X
X
X
X
X
X
X
Doc ID 023353 Rev 5
27/133
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