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ST10F273E Datasheet(PDF) 25 Page - STMicroelectronics |
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ST10F273E Datasheet(HTML) 25 Page - STMicroelectronics |
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25 / 179 page  ST10F273E Internal Flash memory 25/179 5 Internal Flash memory 5.1 Overview The on-chip Flash is composed by one matrix module divided in two banks that can be read and modified indipendently one of the other: one bank can be read while another bank is under modification. Bank 0 is 384 Kbytes wide, Bank 1 is 128 Kbytes wide. This module is on ST10 Internal bus, so it is called IFlash. Figure 4. Flash structure The programming operations of the flash are managed by an embedded Flash Program/Erase Controller (FPEC). The High Voltages needed for Program/Erase operations are internally generated. The Data bus is 32-bit wide for fetch accesses to IFlash, while it is 16-bit wide for read accesses to IFlash. Read/write accesses to IFlash Control Registers area are 16-bit wide. 5.2 Functional description 5.2.1 Structure Following table shows the Address space reserved to the Flash module. Bank 1: 128 Kbyte Bank 0: 384 Kbyte program memory HV and Ref. generator Program/erase controller I-BUS interface + 8 Kbyte test-Flash X-BUS interface IFlash (Module I) Control Section program memory Flash control registers Table 3. Address space of the Flash module Description Addresses Size IFlash sectors 0x00 0000 to 0x08 FFFF 512 Kbytes Registers and Flash internal reserved area 0x0E 0000 to 0x0E FFFF 64 Kbytes |
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