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STM8S 데이터시트(PDF) 353 Page - STMicroelectronics |
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STM8S 데이터시트(HTML) 353 Page - STMicroelectronics |
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353 / 467 page ![]() DocID14587 Rev 14 353/467 RM0016 Universal asynchronous receiver transmitter (UART) 377 Discard response Software can set the RWU bit immediately. LIN Slave parity In LIN Slave mode (LINEN and LSLV bits are set) LIN parity checking can be enabled by setting the PCEN bit. An interrupt is generated if an ID parity error occurs (PE bit rises) and the PIEN bit is set. In this case, the parity bits of the LIN Identifier Field are checked. The identifier character is recognized as the third received character after a break character (included): Figure 132. LIN identifier field parity bits The bits involved are the two MSB positions (7th and 8th bits) of the identifier character. The check is performed as specified by the LIN specification: Figure 133. LIN identifier field parity check LIN header error detection The LIN Header Error Flag indicates that an invalid LIN Header has been detected. When a LIN Header Error occurs: • The LHE flag is set • An interrupt is generated if the RIEN bit in the UART_CR2 register is set. The LHE bit is reset by an access to the UART_SR register followed by a read of the UART_DR register. |
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