參數(shù)資料
型號(hào)： W25X20-VSSI-G
廠商： WINBOND ELECTRONICS CORP
元件分類： PROM
英文描述： 2M X 1 FLASH 2.7V PROM, PDSO8
封裝： 0.208 INCH, GREEN, PLASTIC, SOIC-8
文件頁數(shù)： 7/42頁
文件大小： 1198K
代理商： W25X20-VSSI-G
W25X10, W25X20, W25X40 AND W25X80
Publication Release Date: February 13, 2006
- 15 -
Revision E
9.2.2
Instruction Set
(1)
INSTRUCTION
NAME
BYTE 1
CODE
BYTE 2
BYTE 3
BYTE 4
BYTE 5
BYTE 6
N-BYTES
Write Enable
06h
Write Disable
04h
Read Status
Register
05h
(S7–S0)
(1)
(2)
Write Status
Register
01h
S7–S0
Read Data
03h
A23–A16
A15–A8
A7–A0
(D7–D0)
(Next byte)
continuous
Fast Read
0Bh
A23–A16
A15–A8
A7–A0
dummy
(D7–D0)
(Next Byte)
continuous
Fast Read Dual
Output
3Bh
A23–A16
A15–A8
A7–A0
dummy
I/O =
(D6,D4,D2,D0)
O =
(D7,D5,D3,D1)
(one byte
per 4 clocks,
continuous)
Page Program
02h
A23–A16
A15–A8
A7–A0
(3)
(D7–D0)
(Next byte)
Up to 256
bytes
Block Erase
(64KB)
D8h
A23–A16
A15–A8
A7–A0
Sector Erase
(4KB)
20h
A23–A16
A15–A8
A7–A0
Chip Erase
C7h
Power-down
B9h
Release Power-
down / Device ID
ABh
dummy
(ID7-ID0)
(4)
Manufacturer/
Device ID
(3)
90h
dummy
00h
(M7-M0)
(ID7-ID0)
JEDEC ID
9Fh
(M7-M0)
Manufacturer
(ID15-ID8)
Memory
Type
(ID7-ID0)
Capacity
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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