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W25X16A Datasheet, PDF (17/48 Pages) Winbond – 16M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
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
(S7–S0)(1)
01h
S7–S0
03h
A23–A16
0Bh
A23–A16
BYTE 3
A15–A8
A15–A8
3Bh
A23–A16
A15–A8
02h
A23–A16
A15–A8
D8h
A23–A16
A15–A8
20h
A23–A16
C7h
B9h
ABh
dummy
A15–A8
dummy
90h
dummy
dummy
9Fh
(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: August 7, 2009
Revision B