w25x32a Winbond Electronics Corp America, w25x32a Datasheet - Page 16

• Manufacturer Part Number: w25x32a
• Description: 32m-bit Serial Flash Memory With 4kb Sectors And Dual Output Spi
• Manufacturer: Winbond Electronics Corp America

11.2.2 Instruction Set
Notes:
1. Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis “( )” indicate data being
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.
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
JEDEC ID
read from the device on the DO pin.
(3)
BYTE 1
CODE
06h
04h
05h
01h
03h
0Bh
3Bh
02h
D8h
20h
C7h
B9h
ABh
90h
9Fh
(1)
BYTE 2
(S7–S0)
S7–S0
A23–A16
A23–A16
A23–A16
A23–A16
A23–A16
A23–A16
dummy
dummy
(M7-M0)
Manufacturer
(1)
BYTE 3
A15–A8
A15–A8
A15–A8
A15–A8
A15–A8
A15–A8
dummy
dummy
(ID15-ID8)
Memory
Type
- 16 -
BYTE 4
A7–A0
A7–A0
A7–A0
A7–A0
A7–A0
A7–A0
dummy
00h
(ID7-ID0)
Capacity
BYTE 5
(D7–D0)
dummy
dummy
(D7–D0)
(ID7-ID0)
(M7-M0)
(4)
BYTE 6
(Next byte)
(D7–D0)
I/O =
(D6,D4,D2,D0)
O =
(D7,D5,D3,D1)
(Next byte)
(ID7-ID0)
W25X32A
N-BYTES
(2)
continuous
(Next Byte)
continuous
(one byte
per 4 clocks,
continuous)
Up to 256
bytes