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PM0020 データシート(PDF) 30 Page - STMicroelectronics

部品番号 PM0020
部品情報  STR91xFA Flash programming manual
PDF  87 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0020 データシート(HTML) 30 Page - STMicroelectronics

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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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