GD25LQ40xIGx 1.8V Uniform Sector Dual and Quad Serial Flash
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Table 2a. Commands (QPI)
Command Name
Clock Number
Byte 1
(0, 1)
Byte 2
(2, 3)
Byte 3
(4, 5)
Byte 4
(6, 7)
Byte 5
(8, 9)
Byte 6
(10, 11)
Write Enable
Volatile SR Write Enable
Write Disable
06H
50H
04H
Read Status Register
Read Status Register-1
Write Status Register
Page Program
05H
35H
01H
02H
20H
52H
D8H
C7/60H
75H
7AH
B9H
C0H
0BH
0CH
EBH
(S7-S0)
(S15-S8)
(S7-S0)
A23-A16
A23-A16
A23-A16
A23-A16
(S15-S8)
A15-A8
A15-A8
A15-A8
A15-A8
A7-A0
A7-A0
A7-A0
A7-A0
(D7-D0)
Next byte
Sector Erase
Block Erase (32K)
Block Erase (64K)
Chip Erase
Program/Erase Suspend
Program/Erase Resume
Deep Power-Down
Set Read Parameters
Fast Read
P7-P0
A23-A16
A23-A16
A23-A16
A15-A8
A15-A8
A15-A8
A7-A0
A7-A0
A7-A0
dummy
dummy
M7-M0
(D7-D0)
(D7-D0)
(D7-D0)
Burst Read with Wrap
Quad I/O Fast Read
Release From Deep Power-Down,
and Read Device ID
ABH
dummy
dummy
dummy
dummy
00H
(ID7- ID0)
(M7- M0)
Manufacturer/Device ID
Read Identification
Disable QPI
Enable Reset
Reset
90H
9FH
FFH
66H
99H
dummy
(M7-M0)
(ID7-ID0)
(ID15- ID8) (ID7- ID0)
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,…..)
Rev.1.0
59 - 13
ELM [ ELM ELECTRONICS ]
