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SRI4K 数据表(PDF) 14 Page - STMicroelectronics |
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SRI4K 数据表(HTML) 14 Page - STMicroelectronics |
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14 / 45 page  Memory mapping SRI4K 14/45 4 Memory mapping The SRI4K is organized as 128 blocks of 32 bits as shown in Table 3. All blocks are accessible by the Read_block command. Depending on the write access, they can be updated by the Write_block command. A Write_block updates all the 32 bits of the block. Table 3. SRI4K memory mapping Block Addr MSB 32-bit block LSB b31 b24 b23 b16 b15 b8 b7 b0 Description 0 32 bits Boolean area Resettable OTP bits 1 32 bits Boolean area 2 32 bits Boolean area 3 32 bits Boolean area 4 32 bits Boolean area 5 32 bits binary counter Count down counter 6 32 bits binary counter 7User area Lockable EEPROM 8User area 9User area 10 User area 11 User area 12 User area 13 User area 14 User area 15 User area 16 User area EEPROM ... User area 127 User area 255 OTP_Lock_Reg ST Reserved Fixed Chip_ID (Option) System OTP bits UID0 64 bits UID area ROM UID1 |
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