26HS01GTAM03 datasheet(120/166 Pages) INFINEON

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Datasheet

120 of 166

002-12337 Rev. *Y

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

HYPERBUS™ interface, 1.8V/3.0V

Registers

5.3.17

ASP dynamic block access register (DYAV) (x1)

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

5.3.18

AutoBoot register (ATBN) (x1)

The AutoBoot Register (ATBN) provides a means to automatically read boot code as part of the power-on reset,

or hardware reset process.

Table 112

ASP DYB access register (x1)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(binary)

Description

DYAV[7:0]

DYBACS[7:0]

Sector Based DYB

Protection Status

V -> R/W

11111111

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

of the individual sector’s DYB bit.

Selection Options:

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

(RDDYB_4_0) is 1, not protecting that sector from program or

erase operations

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

(RDDYB_4_0) is 0, protecting that sector from program or erase

operations

Dependency: N/A

Table 113

AutoBoot register (x1)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(binary)

Description

ATBN[31:9]

STADR[22:0]

Starting Address

Selection where AutoBoot

will start reading data

from

N -> R/W

0000000000

000

Description: The STADR[22:0] bits set the starting

address from which the device will output the read data.

Selection Options: Address Bits

Dependency: N/A

ATBN[8:1]

STDLY[7:0]

AutoBoot Read Starting

Delay Selection

N -> R/W

00000000

Description: The STDLY[7:0] bits specify the initial delay

(clock cycles) needed by the host before it can accept

data.

Note STDLY[7:0]=0x00 is valid for SPI up to 50MHz.

STDLY[7:0] = 0x01 or higher is valid for SPI/DPI/QPI up to

166MHz. STDLY[7:0] = 0x05 or higher is valid for HL-T

Octal up to

166MHz and HS-T Octal up to

200MHz.

Selection Options: Address Bits

Dependency: N/A

ATBN[0]

ATBTEN

AutoBoot Feature

Selection

N -> R/W

Description: The ATBTEN bit enables or disables the

AutoBoot feature.

Selection Options:

0 = AutoBoot feature disabled

1 = AutoBoot feature enabled

Dependency: N/A

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