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PM0020 Datasheet(PDF) 30 Page - STMicroelectronics |
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PM0020 Datasheet(HTML) 30 Page - STMicroelectronics |
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30 / 87 page  STR91xFA Flash memory PM00020 30/87 1.13.4 Protection level 1 register (STR91xFAxx2 and STR91xFAxx4) 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). 15 14 13 12 11 10 98 76543 210 Reserved PL1B1S[3:0] PL1B0S[7:0] rw rw rw rw rw rw rw rw rw rw rw rw Bits 15:12 Reserved. Bits 11:8 PL1B1S[3:0]: Level 1 Protection Status on Bank 1 Sector x. 0: Sector x of Bank 1 not write protected 1: Sector x of Bank 1 is Level 1 write protected (default) Bits 7:0 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) |
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