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H8S/2218 数据表(PDF) 641 Page - Renesas Technology Corp |
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H8S/2218 数据表(HTML) 641 Page - Renesas Technology Corp |
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641 / 750 page ![]() Section 18 Masked ROM Rev.6.00 Jun. 03, 2008 Page 593 of 698 REJ09B0074-0600 Section 18 Masked ROM This LSI incorporates a masked ROM which has the following features. 18.1 Features • Size Product Class ROM Size ROM Address (Modes 6 and 7) H8S/2218 Group HD6432217 64 kbytes H'000000 to H'00FFFF H8S/2212 Group HD6432211 64 kbytes H'000000 to H'00FFFF HD6432210, HD6432210S 32 kbytes H'000000 to H'007FFF • Connected to the bus master through 16-bit data bus, enabling one-state access to both byte data and word data. Figure 18.1 shows a block diagram of the on-chip masked ROM. Internal data bus (upper 8 bits) Internal data bus (lower 8 bits) H'000000 H'000002 H'000001 H'000003 H'00FFFE H'00FFFF Figure 18.1 Block Diagram of On-Chip Masked ROM (64 kbytes) |
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