28HS01GTAM03 datasheet(94/138 Pages) INFINEON

94 / 138 page

Datasheet

94 of 138

002-18216 Rev. *W

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

Octal interface, 1.8V/3.0V

Registers

Table 73

Infineon® Endurance Flex architecture selection register (pointer 1)

Bit

number

Name

Function

Read/Write

N = Nonvolatile

V = Volatile

Factory default

(binary)

Description

EFX1O[10:2] EPTAD1[8:0]

Endurance Flex

Pointer 1 Address

Selection

N -> R/1

111111111

Description: The EPTAD1[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

EFX1O[1]

ERGNT1

Endurance Flex

Pointer 1 based

Region Type Selection

N -> R/1

Description: The ERGNT1 bit defines whether the region is

long retention or high endurance.

Selection Options:

0 = Long Retention Sectors

1 = High Endurance Sectors

Dependency: N/A

EFX1O[0]

EPTEB1

Endurance Flex

Pointer 1 Enable#

Selection

N -> R/1

Description: The EPTEN1 bit define whether the wear leveling

pointer is enabled/disabled.

Selection Options:

0 = Pointer Address Enabled

1 = Pointer Address Disabled

Dependency: N/A

Table 74

Infineon® Endurance Flex architecture selection register (pointer 0)

Bit

number

Name

Function

Read/Write

N = Nonvolatile

V = Volatile

Factory default

(binary)

Description

EFX0O[1]

GBLSEL

All Sectors based

Region type Selection

N -> R/1

Description: TheMbLSEL bit defines whether all sectors are

defined as long retention region or high endurance region.

Note If all other pointer registers are disabled, this bit defines

the behavior of the entire memory space and is hardwired to

start at Sector 0.

Selection Options:

0 = Long Retention Sectors

1 = High Endurance Sectors

Dependency: N/A

EFX0O[0]

WRLVEN

Wear Leveling Enable

Selection

N -> R/1

Description: The WRLVEN bit enables/disables the wear

leveling feature.

Selection Options:

0 = Wear Leveling Disabled

1 = Wear Leveling Enabled

Dependency: N/A

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