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STM32W108HB bảng dữ liệu(PDF) 34 Page - STMicroelectronics |
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STM32W108HB bảng dữ liệu(HTML) 34 Page - STMicroelectronics |
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34 / 278 page  Embedded memory STM32W108HB STM32W108CC STM32W108CB STM32W108CZ 34/278 Doc ID 16252 Rev 14 4.3.4 Memory controller registers RAM is divided into 32 byte pages. Each page has a register bit that, when set, protects it from being written in user mode. The protection registers (MEM_PROT) are arranged in the register map as a 256-bit vector. Bit 0 of this vector protects page 0 which begins at location 0x2000 0000 and ends at 0x2000 001F. Bit 255 of this vector protects the top page which starts at 0x20001FE0 and ends at 0x2000 1FFF. Memory RAM protection register x (RAM_PROTRx) Address: 0x 4000 5000 (RAM_PROTR1), 0x 4000 5004 (RAM_PROTR2), 0x 4000 5008 (RAM_PROTR3), 0x 4000 500C (RAM_PROTR4), 0x 4000 5010 (RAM_PROTR5), 0x 4000 5014 (RAM_PROTR6), 0x 4000 5018(RAM_PROTR7), and 0x 4000 501C (RAM_PROTR8). Reset value: 0x0000 0000 Memory page protection x[31:0]: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Memory page protection x[31:16 rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw 15 14 13 12 11 10 98 7654 3210 Memory page protection x[15:0] rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw Bits [31:0] Bit 0 in the RAM_PROTR1 protects page 0 … Bit 31 in the RAM_PROTR1 protects page 31 Bit 0 in the RAM_PROTR2 protects page 32 … Bit 31 in the RAM_PROTR2 protects page 63 Bit 0 in the RAM_PROTR3 protects page 64 … Bit 31 in the RAM_PROTR3 protects page 95 Bit 0 in the RAM_PROTR4 protects page 96 … Bit 31 in the RAM_PROTR4 protects page 127 Bit 0 in the RAM_PROTR5 protects page 128 … Bit 31 in the RAM_PROTR5 protects page 159 Bit 0 in the RAM_PROTR6 protects page 160 … Bit 31 in the RAM_PROTR6 protects page 191 Bit 0 in the RAM_PROTR7 protects page 192 … Bit 31 in the RAM_PROTR7 protects page 223 Bit 0 in the RAM_PROTR8 protects page 224 …. Bit 31 in the RAM_PROTR8 protects page 255 |
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