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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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H8/3003 数据表(PDF) 230 Page - Renesas Technology Corp |
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H8/3003 数据表(HTML) 230 Page - Renesas Technology Corp |
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230 / 715 page  Figure 8-11 Block Transfer Mode Flowcharts (Examples) Start (DTE = DTME = 1) Transfer requested? Get bus MARA = MARA + 1 Read from MARA address Write to MARB address MARB = MARB + 1 ETCRAH = ETCRAH – 1 ETCRAH = H'00 Release bus Clear DTE to 0 and end transfer ETCRAH = ETCRAL MARB = MARB – ETCRAL ETCRB = ETCRB – 1 ETCRB = H'0000 Start (DTE = DTME = 1) Transfer requested? Get bus MARA = MARA + 1 Read from MARA address Write to MARB address ETCRAH = ETCRAH – 1 ETCRAH = H'00 Release bus Clear DTE to 0 and end transfer ETCRB = ETCRB – 1 ETCRB = H'0000 ETCRAH = ETCRAL No No No Yes Yes Yes No No No Yes Yes Yes a. DTSZ = TMS = 0 SAID = DAID = 0 SAIDE = DAIDE = 1 b. DTSZ = TMS = 0 SAID = 0 SAIDE = 1 DAIDE = 0 212 |
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