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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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H8S/2214 数据表(PDF) 180 Page - Renesas Technology Corp |
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H8S/2214 数据表(HTML) 180 Page - Renesas Technology Corp |
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180 / 936 page  Section 6 Bus Controller Rev.4.00 Sep. 18, 2008 Page 120 of 872 REJ09B0189-0400 6.1.2 Block Diagram Figure 6.1 shows a block diagram of the bus controller. Area decoder Bus controller ABWCR ASTCR BCRH BCRL Internal address bus CS0 to CS7 External bus control signals BREQ BACK Internal control signals Wait controller WCRH WCRL Bus mode signal Legend: ABWCR: Bus width control register ASTCR: Access state control register BCRH: Bus control register H BCRL: Bus control register L WCRH: Wait state control register H WCRL: Wait state control register L Bus arbiter CPU bus request signal DTC bus request signal DMAC bus request signal CPU bus acknowledge signal DTC bus acknowledge signal DMAC bus acknowledge signal WAIT Figure 6.1 Block Diagram of Bus Controller |
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