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H8S/2225 数据表(PDF) 701 Page - Renesas Technology Corp |
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H8S/2225 数据表(HTML) 701 Page - Renesas Technology Corp |
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701 / 1071 page ![]() Section 15 Serial Communication Interface (SCI) Rev. 5.00 Aug 08, 2006 page 615 of 982 REJ09B0054-0500 D0 D1 D2 D3 D4 D5 D6 D7 Dp DE Ds D0 D1 D2 D3 D4 D5 D6 D7 Dp (DE) Ds D0 D1 D2 D3 D4 Ds Transfer frame n + 1st Retransferred frame nth transfer frame TDRE TEND FER/ERS Transfer to TSR from TDR Transfer to TSR from TDR Transfer to TSR from TDR Figure 15.29 Retransfer Operation in SCI Transmit Mode The timing for setting the TEND flag depends on the value of the GM bit in SMR. The TEND flag set timing is shown in figure 15.30. Ds D0 D1 D2 D3 D4 D5 D6 D7 Dp I/O data 12.5 etu TXI (TEND interrupt) 11.0 etu DE Guard time When GM = 0 When GM = 1 Start bit Data bits Parity bit Error signal Legend: Ds: D7 to D0: Dp: DE: Figure 15.30 TEND Flag Generation Timing in Transmission Operation |
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