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STM32H562II Datasheet(PDF) 53 Page - STMicroelectronics |
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STM32H562II Datasheet(HTML) 53 Page - STMicroelectronics |
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53 / 270 page  DS14258 Rev 5 53/270 STM32H562xx and STM32H563xx Functional overview 62 3.37 Universal synchronous/asynchronous receiver transmitter (USART/UART) and low-power universal asynchronous receiver transmitter (LPUART) The devices have six embedded universal synchronous receiver transmitters (USART1/USART2/USART3/USART6/USART10/USART11), six universal asynchronous receiver transmitters (UART4/UART5/UART7/UART8/UART9/UART12), and one low-power universal asynchronous receiver transmitter (LPUART1). 3.37.1 Universal synchronous/asynchronous receiver transmitter (USART/UART) The USART offers a flexible means to perform full-duplex data exchange with external equipments requiring an industry standard NRZ asynchronous serial data format. A very wide range of baud rates can be achieved through a fractional baud rate generator. The USART supports both synchronous one-way and half-duplex single-wire communications, as well as LIN (local interconnection network), Smartcard protocol, IrDA (infrared data association) SIR ENDEC specifications, and modem operations (CTS/RTS). Multiprocessor communications are also supported. High-speed data communication (up to 20 Mbauds) is possible by using the DMA (direct memory access) for multibuffer configuration. Table 9. USART, UART and LPUART features Mode/feature(1) 1. X = supported. USART 1/2/3/6/10/11 UART 4/5/7/8/9/12 LPUART 1 Hardware flow control for modem X X X Continuous communication using DMA X X X Multiprocessor communication X X X Synchronous mode (master/slave) X - - Smartcard mode X - - Single-wire half-duplex communication X X X IrDA SIR ENDEC block X X - LIN mode X X - Dual-clock domain and wake-up from Stop mode X(2) 2. Wake-up supported from Stop mode. X(2) X(2) Receiver timeout interrupt X X - Modbus communication X X - Auto-baud rate detection X X - Driver enable X X X USART data length 7, 8, and 9 bits Tx/Rx FIFO X X X Tx/Rx FIFO size 8 bytes |
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