28HS01GTAM03 datasheet(93/138 Pages) INFINEON

93 / 138 page

Datasheet

93 of 138

002-18216 Rev. *W

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

Octal interface, 1.8V/3.0V

Registers

Table 71

Infineon® Endurance Flex architecture selection register (pointer 3)

Bit

number

Name

Function

Read/Write

N = Nonvolatile

V = Volatile

Factory default

(binary)

Description

EFX3O[10:2] EPTAD3[8:0]

Endurance Flex

Pointer 3 Address

Selection

N -> R/1

111111111

Description: The EPTAD3[8:0] bits define the 9-bit address of

the beginning sector from where the long retention / high

endurance region is defined.

Selection Options: Pointer Address

Dependency: N/A

EFX3O[1]

ERGNT3

Endurance Flex

Pointer 3 based

Region Type Selection

N -> R/1

Description: The ERGNT3 bit defines whether the region is

long retention or high endurance.

Selection Options:

0 = Long Retention Sectors

1 = High Endurance Sectors

Dependency: N/A

EFX3O[0]

EPTEB3

Endurance Flex

Pointer 3 Enable#

Selection

N -> R/1

Description: The EPTEN3 bit define whether the wear leveling

pointer is enabled/disabled.

Selection Options:

0 = Pointer Address Enabled

1 = Pointer Address Disabled

Dependency: N/A

Table 72

Infineon® Endurance Flex architecture selection register (pointer 2)

Bit

number

Name

Function

Read/Write

N = Nonvolatile

V = Volatile

Factory default

(binary)

Description

EFX2O[10:2] EPTAD2[8:0]

Endurance Flex

Pointer 2 Address

Selection

N -> R/1

111111111

Description: The EPTAD2[8:0] bits define the 9-bit address of

the beginning sector from where the long retention / high

endurance region is defined.

Selection Options: Pointer Address

Dependency: N/A

EFX2O[1]

ERGNT2

Endurance Flex

Pointer 2 based

Region Type

Selection

N -> R/1

Description: The ERGNT2 bit defines whether the region is

long retention or high endurance.

Selection Options:

0 = Long Retention Sectors

1 = High Endurance Sectors

Dependency: N/A

EFX2O[0]

EPTEB2

Endurance Flex

Pointer 2 Enable#

Selection

N -> R/1

Description: EPTEN2 bit define whether the wear leveling

pointer is enabled/disabled.

Selection Options:

0 = Pointer Address Enabled

1 = Pointer Address Disabled

Dependency: N/A

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