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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HD6417618 数据表(PDF) 404 Page - Renesas Technology Corp |
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HD6417618 数据表(HTML) 404 Page - Renesas Technology Corp |
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404 / 646 page  Section 14 Serial Communication Interface with FIFO (SCIF) Rev. 6.00 Jun. 12, 2007 Page 372 of 610 REJ09B0131-0600 Error handling Receive error handling ER = 1? BRK = 1? Break handling DR = 1? Read receive data in SCFRDR Clear DR, ER, BRK flags in SCFSR, and ORER flag in SCLSR, to 0 End Yes Yes Yes No Overrun error handling ORER = 1? Yes No No No [1] Whether a framing error or parity error has occurred in the receive data that is to be read from SCFRDR can be ascertained from the FER and PER bits in SCFSR. [2] When a break signal is received, receive data is not transferred to SCFRDR while the BRK flag is set. However, note that the last data in SCFRDR is H'00, and the break data in which a framing error occurred is stored. Figure 14.8 Sample Flowchart for Receiving Serial Data (cont) |
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