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W25X10BV/20BV/40BV
9.2.2
Instruction Set (1)
INSTRUCTION
BYTE 1
BYTE 2
BYTE 3
BYTE 4
BYTE 5
BYTE 6
N-BYTES
NAME
Write Enable
Write Disable
CODE
06h
04h
(S7–S0)
Read Status
Register
Write Status
Register
05h
01h
S7–S0
(1)
(2)
(D7-D0, …)
Read Data
Fast Read
Fast Read Dual
Output
03h
0Bh
3Bh
A23–A16
A23–A16
A23–A16
A15–A8
A15–A8
A15–A8
A7–A0
A7–A0
A7–A0
(D7–D0)
dummy
dummy
(Next byte)
(D7–D0)
(5)
continuous
(Next Byte)
continuous
(one byte per
4 clocks,
continuous)
A23-A8
M0
(D7-D0, …)
Fast Read Dual I/O
BBh
(6)
A7-A0, M7-
(6)
(5)
Page Program
02h
A23–A16
A15–A8
A7–A0
(D7–D0)
(Next byte)
Up to 256
bytes
Sector Erase (4KB)
Block Erase (32KB)
Block Erase (64KB)
20h
52h
D8h
A23–A16
A23–A16
A23–A16
A15–A8
A15–A8
A15–A8
A7–A0
A7–A0
A7–A0
Chip Erase
Power-down
C7h/60h
B9h
(ID7-ID0)
Release Power-
down / Device ID
ABh
dummy
dummy
dummy
(4)
Device ID
Manufacturer/
(3)
Manufacturer/Device
ID by Dual I/O
JEDEC ID
90h
92h
9Fh
dummy
A23-A8
(M7-M0)
Manufacturer
dummy
A7-A0,
M[7:0]
(ID15-ID8)
Memory
Type
00h
(MF[7:0],
ID[7:0])
(ID7-ID0)
Capacity
(M7-M0)
(ID7-ID0)
Read Unique ID
4Bh
dummy
dummy
dummy
dummy
(ID63-ID0)
Read Unique
ID
Notes:
1. Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis “( )” indicate data being read from the
device on the DO pin.
2. The Status Register contents will repeat continuously until /CS terminates the instruction.
3. See Manufacturer and Device Identification table for Device ID information.
4. The Device ID will repeat continuously until /CS terminates the instruction.
5. Dual Output and Dual I/O data
IO0 = (D6, D4, D2, D0)
IO1 = (D7, D5, D3, D1)
6. 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
Publication Release Date: August 20, 2009
- 15 -
Preliminary -- Revision B
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