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SRI512 датащи(PDF) 18 Page - STMicroelectronics |
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SRI512 датащи(HTML) 18 Page - STMicroelectronics |
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18 / 47 page ![]() Memory mapping SRI512 18/47 4.3 EEPROM area The 9 blocks between addresses 7 and 15 are EEPROM blocks of 32 bits each (36 bytes in total). (See Figure 17 for a map of the area.) These blocks can be accessed using the Read_block and Write_block commands. The Write_block command for the EEPROM area always includes an auto-erase cycle prior to the write cycle. Blocks 7 to 15 can be write-protected. Write access is controlled by the 9 bits of the OTP_Lock_Reg located at block address 255 (see Section 4.4.1: OTP_Lock_Reg for details). Once protected, these blocks (7 to 15) cannot be unprotected Figure 17. EEPROM (addresses 7 to 15) Block address MSb 32-bit block LSb Description Lockable EEPROM 7 8 9 10 11 User area User area User area User area User area Ai12383b 13 14 15 User area User area User area 12 User area b31 b16 b15 b14 b8 b7 b0 |
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