W25X10A Datasheet, PDF (15/45 Pages) Winbond – 1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI

W25X10A, W25X20A, W25X40A, W25X80A
10.2.2 Instruction Set ⁽¹⁾
INSTRUCTION
NAME
Write Enable
Write Disable
Read Status
Register
Write Status
Register
Read Data
BYTE 1
CODE
06h
04h
05h
01h
03h
Fast Read
0Bh
Fast Read Dual _3Bh
Output
Page Program 02h
Block Erase
(64KB)
Sector Erase
(4KB)
Chip Erase
Power-down
Release Power-
down / Device ID
Manufacturer/
Device ID ⁽³⁾
D8h
20h
C7h/60h
B9h
ABh
90h
JEDEC ID
9Fh
BYTE 2
BYTE 3
(S7–S0)⁽¹⁾
S7–S0
A23–A16
A23–A16
A15–A8
A15–A8
A23–A16
A15–A8
A23–A16
A23–A16
A23–A16
A15–A8
A15–A8
A15–A8
dummy
dummy
dummy
dummy
(M7-M0)
Manufacturer
(ID15-
ID8)
Memory
Type
BYTE 4 BYTE 5 BYTE 6
A7–A0
A7–A0
(D7–D0)
dummy
A7–A0 dummy
A7–A0 (D7–D0)
A7–A0
A7–A0
(Next byte)
(D7–D0)
I/O =
(D6,D4,D2,D0)
O=
(D7,D5,D3,D1)
(Next byte)
dummy (ID7-ID0)⁽⁴⁾
00h
(M7-M0) (ID7-ID0)
(ID7-ID0)
Capacity
N-BYTES
(2)
continuous
(Next Byte)
continuous
(one byte
per 4 clocks,
continuous)
Up to 256
bytes
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.
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Publication Release Date: February 27, 2008
Revision B