GD25LQ40 datasheet(13/59 Pages) ELM

13 / 59 page

Rev.1.0

59 -

http://www.elm-tech.com

GD25LQ40xIGx 1.8V Uniform Sector Dual and Quad Serial Flash

Command Name

Byte 1

Byte 2

Byte 3

Byte 4

Byte 5

Byte 6

Clock Number

(0, 1)

(2, 3)

(4, 5)

(6, 7)

(8, 9)

(10, 11)

Write Enable

06H

Volatile SR Write Enable

50H

Write Disable

04H

Read Status Register

05H

(S7-S0)

Read Status Register-1

35H

(S15-S8)

Write Status Register

01H

(S7-S0)

(S15-S8)

Page Program

02H

A23-A16

A15-A8

A7-A0

(D7-D0)

Next byte

Sector Erase

20H

A23-A16

A15-A8

A7-A0

Block Erase (32K)

52H

A23-A16

A15-A8

A7-A0

Block Erase (64K)

D8H

A23-A16

A15-A8

A7-A0

Chip Erase

C7/60H

Program/Erase Suspend

75H

Program/Erase Resume

7AH

Deep Power-Down

B9H

Set Read Parameters

C0H

P7-P0

Fast Read

0BH

A23-A16

A15-A8

A7-A0

dummy

(D7-D0)

Burst Read with Wrap

0CH

A23-A16

A15-A8

A7-A0

dummy

(D7-D0)

Quad I/O Fast Read

EBH

A23-A16

A15-A8

A7-A0

M7-M0

(D7-D0)

Release From Deep Power-Down,

and Read Device ID

ABH

dummy

(ID7- ID0)

Manufacturer/Device ID

90H

dummy

00H

(M7- M0)

(ID7-ID0)

Read Identification

9FH

(M7-M0)

(ID15- ID8) (ID7- ID0)

Disable QPI

FFH

Enable Reset

66H

Reset

99H

Table 2a. Commands (QPI)

NOTE:

(1) Dual Output data

IO0 = (D6, D4, D2, D0)

IO1 = (D7, D5, D3, D1)

(2) Dual Input Address

IO0 = A22, A20, A18, A16, A14, A12, A10, A8 A6, A4, A2, A0, M6, M4, M2, M0

IO1 = A23, A21, A19, A17, A15, A13, A11, A9 A7, A5, A3, A1, M7, M5, M3, M1

(3) Quad Output Data

IO0 = (D4, D0, …..)

IO1 = (D5, D1, …..)

IO2 = (D6, D2, …..)

IO3 = (D7, D3,…..)

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