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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32L031C6 датащи(PDF) 31 Page - STMicroelectronics |
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STM32L031C6 датащи(HTML) 31 Page - STMicroelectronics |
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31 / 118 page  DocID027063 Rev 4 31/118 STM32L031x4/6 Functional overview 33 3.15.2 Universal synchronous/asynchronous receiver transmitter (USART) The USART interface (USART2) is able to communicate at speeds of up to 4 Mbit/s. it provides hardware management of the CTS, RTS and RS485 driver enable (DE) signals, multiprocessor communication mode, master synchronous communication and single-wire half-duplex communication mode. USART2 also supports Smartcard communication (ISO 7816), IrDA SIR ENDEC, LIN Master/Slave capability, auto baud rate feature and has a clock domain independent from the CPU clock that allows to wake up the MCU from Stop mode using baudrates up to 42 Kbaud. USART2 interface can be served by the DMA controller. Table 12 for the supported modes and features of USART interface. Table 11. STM32L031x4/6 I2C implementation I2C features(1) 1. X = supported. I2C1 7-bit addressing mode X 10-bit addressing mode X Standard mode (up to 100 kbit/s) X Fast mode (up to 400 kbit/s) X Fast Mode Plus with 20 mA output drive I/Os (up to 1 Mbit/s) X(2) 2. See Table 15: Pin definitions on page 38 for the list of I/Os that feature Fast Mode Plus capability Independent clock X SMBus X Wakeup from STOP X Table 12. USART implementation USART modes/features(1) 1. X = supported. USART2 Hardware flow control for modem X Continuous communication using DMA X Multiprocessor communication X Synchronous mode(2) X Smartcard mode X Single-wire half-duplex communication X IrDA SIR ENDEC block X LIN mode X Dual clock domain and wakeup from Stop mode X Receiver timeout interrupt X Modbus communication X Auto baud rate detection (4 modes) X Driver Enable X |
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