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ST10F271Z1 Datasheet(PDF) 25 Page - STMicroelectronics |
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ST10F271Z1 Datasheet(HTML) 25 Page - STMicroelectronics |
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25 / 185 page  ST10F271Z1 Internal Flash memory 25/185 application mapping. Accesses to this address range will send back the content of the Flash cell (by default FFFFh, blank value when the device is delivered) 2 Accesses to the area will send back the value 009Bh. 5.2.2 Module structure The IFlash module is composed by a bank (Bank 0) of 128 Kbyte of Program Memory divided in 6 sectors (B0F0...B0F5). Bank 0 contains also a reserved sector named Test- Flash. The Addresses from 0x08 0000 to 0x08 FFFF are reserved for the Control Register Interface and other internal service memory space used by the Flash Program/Erase controller. The following tables show the memory mapping of the Flash when it is accessed in read mode (Table 4: Flash module sectorization (read operations)), and when accessed in write or erase mode (Table 5: Flash modules sectorization (write operations or with ROMS1=’1’ or bootstrap mode)): note that with this second mapping, the first four banks are remapped into code segment 1 (same as obtained setting bit ROMS1 in SYSCON register). Table 4. Flash module sectorization (read operations) Bank Description Addresses Size ST10 Bus size B0 Bank 0 Flash 0 (B0F0) 0x0000 0000 - 0x0000 1FFF 8 KB 32-bit (I-BUS) Bank 0 Flash 1 (B0F1) 0x0000 2000 - 0x0000 3FFF 8 KB Bank 0 Flash 2 (B0F2) 0x0000 4000 - 0x0000 5FFF 8 KB Bank 0 Flash 3 (B0F3) 0x0000 6000 - 0x0000 7FFF 8 KB Bank 0 Flash 4 (B0F4) 0x0001 8000 - 0x0001 FFFF 32 KB Bank 0 Flash 5 (B0F5) 0x0002 0000 - 0x0002 FFFF 64 KB Reserved (1) 1. This area must be reserved by the application mapping. 0x0003 0000 - 0x0003 FFFF 64 KB Reserved (1) 0x0004 0000 - 0x0004 FFFF 64 KB Table 5. Flash modules sectorization (write operations or with ROMS1=’1’ or bootstrap mode) Bank Description Addresses Size ST10 bus size B0 Bank 0 Test-Flash (B0TF) 0x0000 0000 - 0x0000 1FFF 8 KB 32-bit (I-BUS) Bank 0 Flash 0 (B0F0) 0x0001 0000 - 0x0001 1FFF 8 KB Bank 0 Flash 1 (B0F1) 0x0001 2000 - 0x0001 3FFF 8 KB Bank 0 Flash 2 (B0F2) 0x0001 4000 - 0x0001 5FFF 8 KB Bank 0 Flash 3 (B0F3) 0x0001 6000 - 0x0001 7FFF 8 KB Bank 0 Flash 4 (B0F4) 0x0001 8000 - 0x0001 FFFF 32 KB Bank 0 Flash 5 (B0F5) 0x0002 0000 - 0x0002 FFFF 64 KB Reserved (1) 1. This area must be reserved by the application mapping. 0x0003 0000 - 0x0003 FFFF 64 KB Reserved (1) 0x0004 0000 - 0x0004 FFFF 64 KB |
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