T25S16AFEPR datasheet(36/74 Pages) HMSEMI

36 / 74 page

Table 7.3 Command Set (Read ID, OTP Instructions (1), SPI Mode)

Command

Name

BYTE 1

(Instruction)

BYTE 2

BYTE 3

BYTE 4

BYTE 5

BYTE 6

Deep

Power-down

B9h

Release

Power down /

Device ID

ABh

dummy

Device ID(1)

Manufacturer/

Device ID(2)

90h

dummy

00h

Manufacturer

Device ID

Manufacturer/

Device ID by

Dual I/O

92h

A23—A8

A7—A0,M[7:0]

(MF[7:0],ID[7:0])

Manufacturer/

Device ID by

Quad I/O

94h

A23—A0,M[7:0]

XXXX,(MF[7:0],ID[7:0])

(MF[7:0],ID[7:0]...)

JEDEC ID

9Fh

Manufacturer

Memory Type

Capacity

Read SFDP

5Ah

00h

A7—A0

dummy

(D7—D0,…)

Read

Security

Registers(3)

48h

A23—A16

A15—A8

A7—A0

dummy

(D7—D0,…)

Erase

Security

Registers(3)

44h

A23—A16

A15—A8

A7—A0

Program

Security

Registers(3)

42h

A23—A16

A15—A8

A7—A0

D7—D0,…

Read Unique

4Bh

dummy

(ID63-ID0)

Notes:

1. The Device ID will repeat continuously until CS# terminates the command.

2. See Section 7.5.3, Legacy Device Identification Commands on page 56 for Device ID information. The 90h instruction is followed

by an address. Address = 0 selects Manufacturer ID as the first returned data as shown in the table. Address = 1 selects Device ID as

the first returned data followed by Manufacturer ID.

3. Security Register Address:

Security Register 0: A23-16 = 00h; A15-8 = 00h; A7-0 = byte address

Security Register 1: A23-16 = 00h; A15-8 = 10h; A7-0 = byte address

Security Register 2: A23-16 = 00h; A15-8 = 20h; A7-0 = byte address

Security Register 3: A23-16 = 00h; A15-8 = 30h; A7-0 = byte address

Table 7.4(1) Manufacturer and Device Identification(SPI and QPI Mode)

OP Code

Data1

Data2

Data3

ABh

Device ID = 17h

90h/92h/94h

Manufacturer ID = 5E

Device ID = 17h

9Fh(SPI)

Manufacturer ID = 5E

Memory Type =40h

Capacity = 18h

9Fh(QPI)

Manufacturer ID = 5E

Memory Type =60h

Capacity = 18h

Notes:

(1)Please contact sales for more information

HM25Q128A

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