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H8S/2214 数据表(PDF) 124 Page - Renesas Technology Corp |
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H8S/2214 数据表(HTML) 124 Page - Renesas Technology Corp |
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124 / 936 page ![]() Section 2 CPU Rev.4.00 Sep. 18, 2008 Page 64 of 872 REJ09B0189-0400 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 2.20 shows the access timing for the on-chip supporting modules. Figure 2.21 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 2.20 On-Chip Supporting Module Access Cycle |
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