PM0020 Datasheet, PDF (28/87 Pages) Solid States Devices, Inc – ULTRA FAST SWITCHING DEVICE

STR91xFA Flash memory
PM00020
1.13.2
Protection level 2 register (STR91xFAxx2 and STR91xFAxx4)
This register can be read using the RSIG command (see Section 1.11.2) or by JTAG. The
LOCK bit can be written via CUI or JTAG. Other bits can be written only via JTAG. The
factory default settings may be modified by the user via JTAG. The register is not cleared by
a device reset.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
LOCK
SECURI
TY
PL2B1S[3:0]
PL2B0S[7:0]
rw
r
r
r
r
r
r
r
r
r
r
r
r
r
Bits 15:14
Bit 13
Bit 12
Bits 11:8
Bits 7:0
Reserved.
LOCK: OTP sector lock bit.
See also Section 1.12.8.
0: OTP sector not locked (default)
1: OTP sector locked
SECURITY: JTAG Access Security Bit.
0: JTAG access allowed (default)
1: JTAG access not allowed
PL2B1S[3:0]: Level 2 Protection Status on Bank 1 Sector x.
0: Sector x of Bank 1 is not Level 2 write protected (default)
1: Sector x of Bank 1 is Level 2 write protected
PL2B0S[7:0]: Level 2 Protection Status on Bank 0 Sector x.
0: Sector x of Bank 0 is not Level 2 write protected (default)
1: Sector x of Bank 0 is Level 2 write protected
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