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W25X16A Datasheet, PDF (17/48 Pages) Winbond – 16M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI | |||
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W25X16A
12.2.2 Instruction Set (1)
INSTRUCTION
NAME
Write Enable
Write Disable
Read Status
Register
Write Status
Register
Read Data
Fast Read
Fast Read Dual
Output
Page Program
Block Erase
(64KB)
Sector Erase
(4KB)
Chip Erase
Power-down
Release Power-
down / Device ID
Manufacturer/
Device ID (3)
JEDEC ID
BYTE 1 BYTE 2
CODE
06h
04h
05h
(S7âS0)(1)
01h
S7âS0
03h
A23âA16
0Bh
A23âA16
BYTE 3
A15âA8
A15âA8
3Bh
A23âA16
A15âA8
02h
A23âA16
A15âA8
D8h
A23âA16
A15âA8
20h
A23âA16
C7h
B9h
ABh
dummy
A15âA8
dummy
90h
dummy
dummy
9Fh
(M7-M0)
Manufacturer
(ID15-ID8)
Memory
Type
BYTE 4 BYTE 5
BYTE 6
A7âA0
A7âA0
(D7âD0)
dummy
A7âA0 dummy
A7âA0 (D7âD0)
A7âA0
A7âA0
(Next byte)
(D7âD0)
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 â( )â 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: August 7, 2009
Revision B
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