GD25LQ40xIGx 1.8V Uniform Sector Dual and Quad Serial Flash
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Table 2. Commands (Standard/Dual/Quad SPI)
Command Name
Write Enable
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
n-Bytes
06H
04H
50H
05H
35H
01H
03H
0BH
3BH
Write Disable
Volatile SR Write Enable
Read Status Register
Read Status Register-1
Write Status Register
Read Data
(S7-S0)
(S15-S8)
(S7-S0)
A23-A16
A23-A16
A23-A16
(continuous)
(continuous)
(S15-S8)
A15-A8
A15-A8
A15-A8
A7-A0
A7-A0
A7-A0
A7-A0
(D7-D0) (Next byte) (continuous)
dummy
dummy
Fast Read
Dual Output Fast Read
(D7-D0) (continuous)
D7-D0 (1) (continuous)
Dual I/O Fast Read
Quad Output Fast Read
Quad I/O Fast Read
BBH A23-A8 (2)
(D7-D0) (1)
A7-A0
(continuous)
M7-M0 (2)
6BH
EBH
A23-A16
A23-A0
M7-M0 (4)
A15-A8
dummy (D7-D0) (3) (continuous)
(continuous)
dummy (5) (D7-D0) (3)
A23-A0
Quad I/O Word Fast Read (7)
E7H
dummy (6) (D7-D0) (3)
(continuous)
M7-M0 (4)
A23-A16
A23-A16
A23-A16
A23-A16
A23-A16
Page Program
Quad Page Program
Sector Erase
Block Erase (32K)
Block Erase (64K)
Chip Erase
02H
32H
20H
A15-A8
A15-A8
A15-A8
A15-A8
A15-A8
A7-A0
A7-A0 (D7-D0) (3)
A7-A0
A7-A0
(D7-D0) Next byte
52H
D8H
C7/60H
38H
A7-A0
Enable QPI
Enable Reset
66H
Reset
99H
Set Burst with Wrap
Program/Erase Suspend
Program/Erase Resume
Deep Power-Down
77H
75H
7AH
B9H
W6-W4
dummy
Release From Deep
Power-Down,
ABH
dummy
dummy (ID7-ID0)
(continuous)
And Read Device ID
Release From Deep
Power-Down
ABH
90H
92H
Manufacturer/Device ID
dummy
A23-A8
dummy
A7-A0,
M[7:0]
00H
(M7- M0) (ID7-ID0) (continuous)
(continuous)
(M7-M0)
(ID7-ID0)
(M7-M0)
(ID7-ID0)
Manufacturer/Device ID
by Dual I/O
A23-A0,
M[7:0]
Manufacturer/Device ID
by Quad I/O
94H
dummy
(continuous)
(continuous)
Read Identification
Erase Security Registers (8)
9FH
44H
(M7-M0) (ID15- ID8) (ID7- ID0)
A23-A16
A23-A16
A23-A16
A15-A8
A15-A8
A15-A8
A7-A0
A7-A0
A7-A0
Program Security Registers (8) 42H
Read Security Registers (8)
48H
(D7-D0)
dummy
(D7-D0)
(D7-D0)
Rev.1.0
59 - 12
ELM [ ELM ELECTRONICS ]
