26HS01GTAM03 datasheet(119/166 Pages) INFINEON

119 / 166 page

Datasheet

119 of 166

002-12337 Rev. *Y

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

HYPERBUS™ interface, 1.8V/3.0V

Registers

5.3.14

ASP password register (PWDO) (x1)

The ASP Password Register (PWDO) is used to permanently define a password.

5.3.15

ASP PPB lock register (PPLV) (x1)

The PPBLCK bit in the ASP PPB Lock Register (PPLV) is used to protect the PPB bits.

5.3.16

ASP PPB access register (PPAV) (x1)

The ASP PPB Access Register (PPAV) is used to provide the state of each sector’s PPB protection bit.

Table 109

Password register (x1)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(hex)

Description

PWDO[63:0] PASWRD[63:0] Password Register

N => R/1

0xFFFFFFFF

FFFFFFFF

Description: The PASWRD[63:0] permanently stores a

password used in password protected modes of operation.

When the Password Protection mode is enabled, this register

will output the undefined data upon read password request.

Selection Options: Password

Dependency: N/A

Table 110

ASP PPB lock register (x1)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(binary)

Description

PPLV[7:1]

RESVRD

Reserved for Future

Use

V -> R

0000000

This bit is Reserved for future use. This bit must always be

written/loaded to its default state.

PPLV[0]

PPBLCK

PPB Temporary

Protection Selection

V -> R/W

1, ASPO[2:1]

Description: The PPBLCK bit is used to temporarily protect

all the PPB bits.

Selection Options:

1 = PPB Bits can be erased or programmed

0 = PPB bits are protected against erase or program till the

next POR or hardware reset

Dependency: N/A

Table 111

ASP PPB access register (x1)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(binary)

Description

PPAV[7:0]

PPBACS[7:0]

Sector Based PPB

Protection Status

N -> W/R

11111111

Description: The PPBACS[7:0] bits are used to provide the state

of the individual sector's PPB bit.

Selection Options:

FF = PPB for the sector addressed by the Read PPB transaction

(RDPPB_4_0) is 1, not protecting that sector from program or

erase operations

00 = PPB for the sector addressed by the Read PPB transaction

(RDPPB_4_0) is 0, protecting that sector from program or erase

operations

Dependency: N/A

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