26HS01GTAM03 datasheet(118/166 Pages) INFINEON

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Datasheet

118 of 166

002-12337 Rev. *Y

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

HYPERBUS™ interface, 1.8V/3.0V

Registers

ASPO[4]

ASPDYB

Dynamic Protection

(DYB) for all sectors at

power-up Selection

N => R/1

Description: The ASPDYB bit selects whether all DYB bits

(sectors) are in the protected state following power-up or

hardware reset. DYB bits will individually need to be reset to

change sector protections.

Selection Options:

0 = DYB based sector protection enabled at power-up or

hardware reset

1 = DYB based sector protection disabled at power-up or

hardware reset

Dependency: N/A

ASPO[3]

ASPPPB

Permanent Protection

(PPB) bits for all sectors

programmability

Selection

N => R/1

Description: The ASPPPB bit selects whether all PPB bits are

OTP making PPB sector protection permanent.

Note ASPPPB disables PPB erase transaction (ERPPB_0_0).

Selection Options:

0 = PPB bits are OTP

1 = PPB bits can be erased and programmed as desired

Dependency: N/A

ASPO[2]

ASPPWD

Password Based

Protection Selection

N => R/1

Description: The ASPPWD bit selects the Password

Protection Mode. Password Protection mode protects all

PPB bits till the correct password is entered. The ASPPWD

can also be used in combination with the ASPRDP to protect

all registers and all memory from erase/program and to

protect sectors from being read as well till the correct

password is provided - except for top or bottom sector which

is available for reading based on TBPROT configuration bit

(CFR1x[5]).

Note When ASPPWD is selected, ASPO[15:0], CFR1N[7:2] and

PWDO[63:0] are protected against Write operations..

Selection Options:

0 = Password Protection Mode is enabled

1 = Password Protection Mode is disabled

Dependency: N/A

ASPO[1]

ASPPER

Persistent Protection

Selection (Register

Protection Selection)

N => R/1

Description: The ASPPER bit selects the Persistent Protection

Mode. The Persistent Protection mode (ASPPER) protects the

ASPO[15:0], CFR1x[6, 5, 4, 2], and CFR3x[3] registers from

erase or program.

Selection Options:

0 = Persistent Protection Mode is enabled

1 = Persistent Protection Mode is disabled

Dependency: N/A

ASPO[0]

ASPPRM

Permanent Protection

Selection

N => R/1

Description: The ASPPRM bit selects the Permanent

Protection Mode. The Permanent Protection mode

(ASPPRM) permanently protects the PPB bits from erase or

program. ASPPRM bit should be programmed once all the

PPB based sector protections are finalized.

Note Permanent protection is independent of the PPBLOCK

bit.

Selection Options:

0 = Permanent Protection Mode is enabled

1 = Permanent Protection Mode is disabled

Dependency: N/A

Table 108

Advanced sector protection register (x1) (Continued)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(binary)

Description

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