參數(shù)資料
型號: W25P20-VSNI-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: 0.150 INCH, GREEN, PLASTIC, SOIC-8
文件頁數(shù): 4/35頁
文件大小: 1405K
代理商: W25P20-VSNI-G
W25P10, W25P20 AND W25P40
- 12 -
7.2.1
Manufacturer and Device Identification
MANUFACTURER ID
(M7-M0)
Winbond Serial Flash
EFH
Device ID
(ID7-ID0)
W25P10
10h
W25P20
11h
W25P40
12h
7.2.2
Instruction Set
(1)
INSTRUCTION
NAME
BYTE 1
CODE
BYTE 2
(5)
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
Page Program
02h
A23–A16
A15–A8
A7–A0
(D7–D0)
(Next byte)
up to 256
bytes
Sector Erase
D8h
A23–A16
A15–A8
A7–A0
(6)
Chip Erase
C7h
Power-down
B9h
Release Power-
down / Device ID
ABh
dummy
(ID7-ID0)
(3)
Manufacturer/
Device ID
90h
dummy
00h
(M7-M0)
(ID7-ID0)
(4)
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. The Device ID will repeat continuously until /CS terminates the instruction.
4. The Manufacturer ID and Device ID bytes will repeat continuously until /CS terminates the instruction.
5. Unused upper address bits must be set to a 0 for the W25P10.
6. The lowest 16 address bits (A15-A0) must be set to 0.
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