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H8S/2218 数据表(PDF) 126 Page - Renesas Technology Corp |
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H8S/2218 数据表(HTML) 126 Page - Renesas Technology Corp |
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126 / 750 page ![]() Section 3 MCU Operating Modes Rev.6.00 Jun. 03, 2008 Page 78 of 698 REJ09B0074-0600 External address space Notes: 1. 2. 3. Though RTC and USB registers are provided inside the chip, ASN, RDN, and WRN are asserted and the addresses are output when these areas are accessed. Therefore, care should be taken when connecting memory externally. The reserved area of H'FEE800 to H'FFCFFF should not be accessed. The external address can be used instead, by clearing the RAME bit in SYSCR to 0. External address space On-chip RAM*3 USB registers*1 Internal I/O registers*1 Reserved*2 On-chip RAM*3 On-chip RAM*3 On-chip RAM External address space External address space On-chip RAM*3 On-chip ROM On-chip ROM USB registers*1 USB registers Internal I/O registers*1 Reserved*2 Reserved*2 Reserved External address space External address space On-chip RAM Internal I/O registers Modes 4 and 5 (advanced extended modes with on-chip ROM desabled) Mode 6 (advanced extended mode with on-chip ROM enabled) Mode 7 (advanced single-chip mode) ROM: ⎯ RAM: 8 kbytes ROM: 64 kbytes RAM: 8 kbytes ROM: 64 kbytes RAM: 8 kbytes H'00FFFF H'000000 H'000000 H'020000 H'010000 H'E00000 H'FEE800 H'C00000 H'000000 H'00FFFF H'FFD000 H'FEE800 H'FFD000 H'E00000 H'FEE800 H'C00000 H'FFD000 H'FFEFBF H'FFFFC0 H'FFFFC0 H'FFFFC0 H'FFFFFF H'FFFFFF H'FFFFFF H'FFEFC0 H'FFEFC0 H'FFF800 H'FFF800 H'FFF800 H'DFFFFF H'C00000 Figure 3.2 Memory Map in Each Operating Mode for HD6432217 |
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