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HD6432138SW Datasheet(PDF) 635 Page - Renesas Technology Corp |
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HD6432138SW Datasheet(HTML) 635 Page - Renesas Technology Corp |
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635 / 1061 page ![]() Section 21 ROM (Mask ROM Version, H8S/2138 F-ZTAT, H8S/2134 F-ZTAT, and H8S/2132 F-ZTAT) Rev. 4.00 Jun 06, 2006 page 581 of 1004 REJ09B0301-0400 21.4.2 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 21.2 Block Diagram of Flash Memory |
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