30.2 Unique device ID register (96 bits)
The unique device identifier is ideally suited:
• for use as serial numbers (for example USB string serial numbers or other end
applications)
• for use as security keys in order to increase the security of code in Flash memory while
using and combining this unique ID with software cryptographic primitives and
protocols before programming the internal Flash memory
• to activate secure boot processes, etc.
The 96-bit unique device identifier provides a reference number which is unique for any
device and in any context. These bits can never be altered by the user.
The 96-bit unique device identifier can also be read in single bytes/half-words/words in
different ways and then be concatenated using a custom algorithm.
Base address: 0x1FFF F7E8
Код: Выделить всё
typedef struct
{
__IO uint32_t BTCR[8]; /*!< NOR/PSRAM chip-select control register(BCR) and chip-select timing register(BTR), Address offset: 0x00-1C */
} FSMC_Bank1_TypeDef;
BWTR1 - это FSMC_Bank1E->BWTR[0].Как выставить биты в регистре FSMC_BWTR1?
компилятор скорее всего поймет, чего от него хотят. gcc помещает такое в .rodata, которая во флеше.