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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC312XDP512F0MPVR датащи(PDF) 1157 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 1157 Page - Freescale Semiconductor, Inc |
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1157 / 1348 page  Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1) MC9S12XDP512 Data Sheet, Rev. 2.21 Freescale Semiconductor 1159 All possible Flash protection scenarios are shown in Figure 28-11. Although the protection scheme is loaded from the Flash array at global address 0x7F_FF0D during the reset sequence, it can be changed by the user. This protection scheme can be used by applications requiring re-programming in single chip mode while providing as much protection as possible if re-programming is not required. Table 28-10. Flash Protection Function FPOPEN FPHDIS FPLDIS Function1 1 For range sizes, refer to Table 28-11 and Table 28-12. 1 1 1 No Protection 1 1 0 Protected Low Range 1 0 1 Protected High Range 1 0 0 Protected High and Low Ranges 0 1 1 Full Flash memory Protected 0 1 0 Unprotected Low Range 0 0 1 Unprotected High Range 0 0 0 Unprotected High and Low Ranges Table 28-11. Flash Protection Higher Address Range FPHS[1:0] Global Address Range Protected Size 00 0x7F_F800–0x7F_FFFF 2 Kbytes 01 0x7F_F000–0x7F_FFFF 4 Kbytes 10 0x7F_E000–0x7F_FFFF 8 Kbytes 11 0x7F_C000–0x7F_FFFF 16 Kbytes Table 28-12. Flash Protection Lower Address Range FPLS[1:0] Global Address Range Protected Size 00 0x7F_8000–0x7F_83FF 1 Kbytes 01 0x7F_8000–0x7F_87FF 2 Kbytes 10 0x7F_8000–0x7F_8FFF 4 Kbytes 11 0x7F_8000–0x7F_9FFF 8 Kbytes |
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