S25FL127SABMFI003 View Datasheet(PDF) - Cypress Semiconductor
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S25FL127SABMFI003 Datasheet PDF : 142 Pages
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S25FL127S
Table 67. Password Register (PASS)
Bits
Field
Name
Function
Type
63 to 0 PWD
Hidden
Password
OTP
Default State
Description
Non-volatile OTP storage of 64-bit password. The
FFFFFFFF-FFFFFF password is no longer readable after the password
FFh
protection mode is selected by programming ASP register
bit 2 to 0.
Table 68. PPB Lock Register (PPBL)
Bits
7 to 1
0
Field Name
RFU
Function
Reserved
PPBLOCK Protect PPB Array
Type
Volatile
Volatile
Default State
Description
00h
Reserved for Future Use
0 = PPB array protected until next power
Persistent Protection Mode = 1
Password Protection Mode = 0
cycle or hardware reset
1 = PPB array may be programmed or
erased
Table 69. PPB Access Register (PPBAR)
Bits Field Name
Function
7 to 0
PPB
Read or Program
per sector PPB
Type
Non-volatile
Default
State
FFh
Description
00h = PPB for the sector addressed by the PPBRD or
PPBP command is programmed to “0”, protecting that
sector from program or erase operations.
FFh = PPB for the sector addressed by the PPBRD or
PPBP command is erased to “1”, not protecting that
sector from program or erase operations.
Table 70. DYB Access Register (DYBAR)
Bits
7 to 0
Field Name Function
DYB
Read or Write
per sector DYB
Type
Volatile
Default State
Description
00h = DYB for the sector addressed by the DYBRD or DYBP
command is cleared to “0”, protecting that sector from program
FFh
or erase operations.
FFh = DYB for the sector addressed by the DYBRD or DYBP
command is set to “1”, not protecting that sector from program or
erase operations.
Document Number: 001-98282 Rev. *I
Page 136 of 142
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