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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SH7041A Fiches technique(PDF) 223 Page - Renesas Technology Corp |
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SH7041A Fiches technique(HTML) 223 Page - Renesas Technology Corp |
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223 / 923 page  185 10.3 Accessing Ordinary Space A strobe signal is output by ordinary space accesses to provide primarily for SRAM or ROM direct connections. 10.3.1 Basic Timing Figure 10.3 shows the basic timing of ordinary space accesses. Ordinary access bus cycles are performed in 2 states. T1 CK Address CSn RD Read Write Data WRx Data T2 Figure 10.3 Basic Timing of Ordinary Space Access During a read, irrespective of operand size, all bits in the data bus width for the access space (address) are fetched by the LSI on RD, using the required byte locations. During a write, the following signals are associated with transfer of these actual byte locations: WRHH (bits 31–24), WRHL (bits 23–16), WRH (bits 15–8), and WRL (bits 7–0). |
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