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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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H8S/2218 数据表(PDF) 603 Page - Renesas Technology Corp |
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H8S/2218 数据表(HTML) 603 Page - Renesas Technology Corp |
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603 / 750 page  Section 17 Flash Memory (F-ZTAT Version) Rev.6.00 Jun. 03, 2008 Page 555 of 698 REJ09B0074-0600 SCI, USB boot mode On-board programming mode User program mode User mode (on-chip ROM enabled) Reset state Programmer mode RES = 0 FWE = 1 FWE = 0 *1 *1 *2 Notes: Only make a transition between user mode and user program mode when the CPU is not accessing the flash memory. 1. RAM emulation possible 2. MD2 to MD0 = 000, PF3, PF0, P16, P14 = 1100 RES = 0 MD2 to 0 = 01x, FWE = 1 RES = 0 RES = 0 MD2 to 0 = 11x, FWE = 0 MD2 to 0 = 11x, FWE = 1 Figure 17.2 Flash Memory State Transitions Table 17.1 Differences between Boot Mode and User Program Mode SCI, USB Boot Mode User Program Mode User Mode Total erase Yes Yes No Block erase No Yes No Programming control program* Program/program-verify Erase/erase-verify Program/program-verify Emulation — Note: * To be provided by the user, in accordance with the recommended algorithm. |
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