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H8SX1663 数据表(PDF) 304 Page - Renesas Technology Corp |
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H8SX1663 数据表(HTML) 304 Page - Renesas Technology Corp |
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304 / 1158 page ![]() Section 6 Bus Controller (BSC) Rev.1.00 Jun. 07, 2006 Page 252 of 1102 REJ09B0294-0100 (1) When DDS = 1 A fast-page access is performed regardless of the bus master, only according to the address. The DACK signal is asserted at the start of the Tc1 cycle. Figure 6.58 shows the output timing example of the DACK signal. T p T r T c1 T c2 Address bus B φ RAS LUCAS LLCAS WE OE (RD) WE OE (RD) Data bus High Row address Column address High Read Write Data bus DACK BS RD/ WR When DKC = 1 When DKC = 0 Figure 6.58 Output Timing Example of DACK when DDS = 1 (RAST = 0, CAST = 0) |
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