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PM0068 bảng dữ liệu(PDF) 25 Page - STMicroelectronics

tên linh kiện PM0068
Giải thích chi tiết về linh kiện  STM32F10xxx XL-density Flash programming
PDF  31 Pages
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PM0068 bảng dữ liệu(HTML) 25 Page - STMicroelectronics

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PM0068
Register descriptions
Doc ID 17100 Rev 2
25/31
3.8
Write protection register (FLASH_WRPR)
Address offset: 0x20
Reset value: 0xFFFF FFFF
3.9
FPEC key register2 (FLASH_KEYR2)
This register is dedicated to Flash memory bank 2.
Address offset: 0x44
Reset value: xxxx xxxx
Note:
These bits are all write-only and will return a 0 when read.
Bits 9:2 USER: User option bytes
This contains the user option byte loaded by the OBL.
Bits [9:6]: Not used (if these bits are written in the Flash option byte, they will be read in this
register with no effect on the device.)
Bit 5: BFB2
Bit 4: nRST_STDBY
Bit 3: nRST_STOP
Bit 2: WDG_SW
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
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WRP[31:16]
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WRP[15:0]
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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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FKEYR[31:16]
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FKEYR[15:0]
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