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STM32W108HB Datasheet(PDF) 31 Page - STMicroelectronics |
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STM32W108HB Datasheet(HTML) 31 Page - STMicroelectronics |
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31 / 278 page ![]() STM32W108HB STM32W108CC STM32W108CB STM32W108CZ Embedded memory Doc ID 16252 Rev 14 31/278 4.2 Flash memory The STM32W108 provides Flash memory in four separate blocks as follows: ● Main Flash Block (MFB) ● Fixed Information Block (FIB) ● Fixed Information Block Extension (FIB-EXT) ● Customer Information Block (CIB) The size of these blocks and associated page size is described in Table 4. The smallest erasable unit is one page and the smallest writable unit is an aligned 16-bit half-word. The Flash is guaranteed to have 10k write/erase cycles. The Flash cell has been qualified for a data retention time of >100 years at room temperature. APB 0x4000 2000 - 0x4000 2FFF MAC timer (MACTMR) MAC timer (MACTMR)/Watchdog (WDG)/Sleeptimer(SLP TMR) register map 0x4000 1000 - 0x4000 1FFF Reserved - 0x4000 0000 - 0x4000 0FFF Power management (PWR) Power management (PWR) register map 0x2000 4000 - 0x3FFF FFFF Reserved - 0x2000 0000 - 0x2000 3FFF SRAM - 0x0804 0000 - 0x1FFF FFFF Reserved - 0x0800 0000 - 0x0803 FFFF Main Flash memory (256 Kbyte) - Table 3. STM32W108xx peripheral register boundary addresses Bus Boundary address Peripheral Register map Table 4. Flash memory STM32W108xB STM32W108CC STM32W108CZ Unit Size Page size Size Page size Size Page size MFB 128 1 256 2 192 2 K Bytes FIB 2 222 22 K Bytes CIB 0.5 0.5 22 22 K Bytes FIB-EXT 0 N/A 16 2162 K Bytes Total 130.5 276 212 K Bytes |
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