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HD6432142 Datasheet(PDF) 733 Page - Renesas Technology Corp |
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HD6432142 Datasheet(HTML) 733 Page - Renesas Technology Corp |
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733 / 1177 page ![]() Section 23 ROM (H8S/2148 F-ZTAT A-Mask Version, H8S/2147 F-ZTAT A-Mask Version, H8S/2144 F-ZTAT A-Mask Version) Rev. 4.00 Sep 27, 2006 page 689 of 1130 REJ09B0327-0400 23.4.2 Block Diagram Bus interface/controller Flash memory (128 kbytes/64 kbytes) Operating mode FLMCR2 Internal address bus Internal data bus (16 bits) Mode pins EBR1 EBR2 FLMCR1 * * * * Legend: FLMCR1: Flash memory control register 1 FLMCR2: Flash memory control register 2 EBR1: Erase block register 1 EBR2: Erase block register 2 Note: * These registers are used only in the flash memory version. In the mask ROM version, a read at any of these addresses will return an undefined value, and writes are invalid. Figure 23.2 Block Diagram of Flash Memory |
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