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R8C/20 Datasheet(PDF) 392 Page - Renesas Technology Corp |
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R8C/20 Datasheet(HTML) 392 Page - Renesas Technology Corp |
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392 / 501 page  R8C/20 Group, R8C/21 Group 19. Flash Memory Rev.2.00 Aug 27, 2008 Page 376 of 458 REJ09B0250-0200 Table 19.2 Flash Memory Rewrite Modes Flash Memory Rewrite Mode CPU Rewrite Mode Standard Serial I/O Mode Parallel I/O Mode Function User ROM area is rewritten by executing software commands from the CPU. EW0 mode: Rewritable in the RAM EW1 mode: Rewritable in flash memory User ROM area is rewritten by using a dedicated serial programmer. User ROM area is rewritten by using a dedicated parallel programmer. Areas which can be rewritten User ROM area User ROM area User ROM area Operating mode Single chip mode Boot mode Parallel I/O mode ROM programmer None Serial programmer Parallel programmer |
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