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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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PM0020 数据表(PDF) 31 Page - STMicroelectronics |
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PM0020 数据表(HTML) 31 Page - STMicroelectronics |
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31 / 87 page  PM00020 STR91xFA Flash memory 31/87 1.13.5 Protection level 1 register (STR91xFAxx6 and STR91xFAxx7) This register can be read using the RSIG command (see Section 1.11.2). It can be programmed via PRP command (see Section 1.12.5) or via JTAG. If a sector is write protected in the Protection Level 2 register it cannot be unprotected via PRP command. See also Section 1.9. The register is set to default value at power up or by Low Voltage Detect Reset. System reset (external or watchdog reset) will not change the register value). 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 PL1B0S[31:16] rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 PL1B0S[15:0] rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw Bits 31:0 PL1B0S[7:0]: Level 1 Protection Status on Bank 0 Sector x. 0: Sector x of Bank 0 not write protected 1: Sector x of Bank 0 is Level 1 write protected (default) 15 14 13 12 11 10 9876543 210 Reserved PL1B1S[7:0] rw rw rw rw rw rw rw rw Bits 7:0 PL1B1S[7:0]: Level 1 Protection Status on Bank 1Sector x. 0: Sector x of Bank 0 not write protected 1: Sector x of Bank 0 is Level 1 write protected (default) |
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