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AN2244 Datasheet(PDF) 3 Page - STMicroelectronics |
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AN2244 Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 17 page AN2244 1 ST10F27x embedded Flash overview 3/17 1 ST10F27x embedded Flash overview The ST10F27x provides an on-chip high-speed single voltage Flash memory. The write operations of the ST10F27x Flash banks are managed by an embedded Flash Program/Erase Controller. The following table summarizes the main ST10F27x Embedded Flash characteristics: Depending on the ST10 derivative, the Flash memory will be composed either of 1 module (IFLASH) or of 2 modules (IFLASH and XFLASH). Each module is divided into several banks, themselves sub-divided into sectors. The ST10F276 and ST10F275 embedded Flash is composed of two modules. The ST10F271, ST10F272 and ST10F273 embedded Flash is composed of one module. On the IFLASH, the internal data bus is 32 bits wide (I-BUS). The XFLASH module is mapped on the XBUS and the data bus is 16 bits wide (X-BUS). The smallest erasable part of Flash is a sector. ST10F271 ST10F272 ST10F273 ST10F275 ST10F276 Flash Size (KBytes) 128 256 512 832 832 Flash Organization Banks / Sectors 1 /6 1 / 8 2 / 12 4 /17 4 /17 Programming voltage 5 Volts Programming method Write/Erase Controller Program/Erase cycles 100 Kcycles, 20 years data retention |
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