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PM0063 Datasheet(PDF) 27 Page - STMicroelectronics |
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PM0063 Datasheet(HTML) 27 Page - STMicroelectronics |
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27 / 30 page  PM0063 Register descriptions Doc ID 16211 Rev 2 27/30 3.8 Write protection register (FLASH_WRPR) Address offset: 0x20 Reset value: 0xFFFF FFFF Note: The reset value of this register depends on the value programmed in the option byte. Bit 1 RDPRT: Read protection When set, this indicates that the Flash memory is read-protected. Note: This bit is read-only. Bit 0 OPTERR: Option byte error When set, this indicates that the loaded option byte and its complement do not match. The corresponding byte and its complement are read as 0xFF in the FLASH_OBR or FLASH_WRPR register. Note: This bit is read-only. 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 WRP[31:16] rr rr rr r r rr rr rr r r 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 WRP[15:0] rr rr rr r r rr rr rr r r Bits 31:0 WRP: Write protect This register contains the write-protection option bytes loaded by the OBL. 0: Write protection active 1: Write protection not active Note: These bits are read-only. |
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