28HS01GTAM03 datasheet(127/138 Pages) INFINEON

127 / 138 page

Datasheet

127 of 138

002-18216 Rev. *W

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

Octal interface, 1.8V/3.0V

Device identification

Sector map parameter table notes

Table 88 provides a means to identify how the device address map is configured and provides a sector map for

each supported configuration. This is done by defining a sequence of commands to read out the relevant config-

uration register bits that affect the selection of an address map. When more than one configuration bit must be

read, all the bits are concatenated into an index value that is used to select the current address map.

To identify the sector map configuration in device the following configuration bits are read in the following MSb

to LSb order to form the configuration map index value:

• CFR3V[3] - 0 = Hybrid Architecture, 1 = Uniform Architecture

• CFR1V[2] - 0 = 4KB parameter sectors at bottom, 1 = 4KB sectors at top

• CFR1V[6] - 0 = 4KB parameter grouped together, 1 = 4KB sectors split between bottom and top

• The value of some configuration bits may make other configuration bit values not relevant (don’t care), hence

not all possible combinations of the index value define valid address maps. Only selected configuration bit

combinations are supported by the SFDP Sector Map Parameter table (see Table 89). Other combinations must

not be used in configuring the sector address map whenusingthis SFDP parameter table to determine the sector

map. The following index value combinations are supported.

1E4h

Command Sequences

to Change to Octal DDR

(8D-8D-8D) mode

DWORD -3

00h

Bits 7:0 = Byte 3 of second command sequence - volatile register address

1E5h

80h

Bits 15:8 = Byte 2 of second command sequence - volatile register address

1E6h

71h

Bits 23:16 = Byte 1 of second command sequence

1E7h

05h

Bits 31:24 = Length of second command sequence = 5 bytes

1E8h

Command Sequences

to Change to Octal DDR

(8D-8D-8D)

mode DWORD -4

00h

Bits 7:0 = Byte 7 of second command sequence

1E9h

00h

Bits 15:8 = Byte 6 of second command sequence

1EAh

43h

Bits 23:16 = Byte 5 of second command sequence

1EBh

06h

Bits 31:24 = Byte 4 of second command sequence - volatile register address

Table 88

Sector map parameter

CFR3V[3]

CFR1V[6]

CFR1V[2]

Index value

Description

00h

4KB sectors at bottom with remainder 256KB sectors

01h

4KB sectors at top with remainder 256KB sectors

02h

4KB sectors split between top and bottom with remainder 256KB sectors

04h

Uniform 256KB sectors

Table 87

JEDEC SFDP Rev D parameter table (Continued)

SFDP byte address

SFDP DWORD name

Data

Description

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