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H8SX1663 数据表(PDF) 272 Page - Renesas Technology Corp |
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H8SX1663 数据表(HTML) 272 Page - Renesas Technology Corp |
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272 / 1158 page ![]() Section 6 Bus Controller (BSC) Rev.1.00 Jun. 07, 2006 Page 220 of 1102 REJ09B0294-0100 6.9.5 Basic Timing The bus cycle in the address/data multiplexed I/O interface consists of an address cycle and a data cycle. The data cycle is based on the basic bus interface timing specified by the ABWCR, ASTCR, WTCRA, WTCRB, RDNCR, and CSACR. Figures 6.31 and 6.32 show the basic access timings. T ma1 T ma2 T 2 T 1 B φ Address bus D7 to D0 D7 to D0 Address cycle Data cycle CSn LLWR AH RD DACK BS RD/ WR Note: n = 3 to 7 Address Read data Address Write data Read Write Figure 6.31 8-Bit Access Space Access Timing (ABWHn = 1, ABWLn = 1) |
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