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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HD6417618 датащи(PDF) 402 Page - Renesas Technology Corp |
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HD6417618 датащи(HTML) 402 Page - Renesas Technology Corp |
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402 / 646 page  Section 14 Serial Communication Interface with FIFO (SCIF) Rev. 6.00 Jun. 12, 2007 Page 370 of 610 REJ09B0131-0600 Figure 14.5 shows an example of the operation for transmission. 1 0 D0 D1 D7 0/1 1 0 D0 D1 D7 0/1 1 1 TDFE TEND Serial data Start bit Data Parity bit Stop bit Start bit Idle state (mark state) Data Parity bit Stop bit TXI interrupt request Data written to SCFTDR and TDFE flag read as 1 then cleared to 0 by TXI interrupt handler One frame TXI interrupt request Figure 14.5 Example of Transmit Operation (8-Bit Data, Parity, One Stop Bit) 4. When modem control is enabled, transmission can be stopped and restarted in accordance with the CTS input value. When CTS is set to 1, if transmission is in progress, the line goes to the mark state after transmission of one frame. When CTS is set to 0, the next transmit data is output starting from the start bit. Figure 14.6 shows an example of the operation when modem control is used (only for channel 0). Serial data TxD 0 D0 D1 D7 0/1 0 1 D0 D1 D7 0/1 CTS Drive high before stop bit Start bit Parity bit Stop bit Start bit Figure 14.6 Example of Operation Using Modem Control ( CTS) |
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