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H8S/2240 数据表(PDF) 106 Page - Renesas Technology Corp |
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H8S/2240 数据表(HTML) 106 Page - Renesas Technology Corp |
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106 / 818 page ![]() Section 2 CPU Rev.3.00 Mar. 26, 2007 Page 64 of 772 REJ09B0355-0300 2.9.3 On-Chip Supporting Module Access Timing The on-chip supporting modules are accessed in two states. The data bus is either 8 bits or 16 bits wide, depending on the particular internal I/O register being accessed. Figure 2.19 shows the access timing for the on-chip supporting modules. Figure 2.20 shows the pin states. Bus cycle T1 T2 Address Read data Write data Internal read signal Internal data bus Internal write signal Internal data bus Read access Write access Internal address bus φ Figure 2.19 On-Chip Supporting Module Access Cycle |
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