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SH7721 датащи(PDF) 103 Page - Renesas Technology Corp |
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SH7721 датащи(HTML) 103 Page - Renesas Technology Corp |
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103 / 1524 page ![]() Section 2 CPU Rev. 3.00 Jan. 18, 2008 Page 41 of 1458 REJ09B0033-0300 Notes: 1. To access an on-chip I/O mapped into area 1 in the external memory space, access the address from the P2 area which is not cached in the virtual address space. 2. If the address translation unit is enabled, arbitrary mapping in page units can be specified. For details, refer to section 4, Memory Management Unit (MMU). P0 area Privileged mode User mode External memory space Area 0 Area 1 Area 2 Area 3 Area 4 Area 5 Area 6 Area 7 H'0000 0000 H'0000 0000 H'8000 0000 H'FFFF FFFF H'8000 0000 H'A000 0000 H'C000 0000 H'E000 0000 H'FFFF FFFF U0 area Address error P1 area P2 area P3 area P4 area Figure 2.2 Virtual Address to External Memory Space Mapping |
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