參數(shù)資料
型號(hào)： W25X20-VSSI-G
廠商： WINBOND ELECTRONICS CORP
元件分類(lèi)： 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(yè)數(shù)： 6/42頁(yè)
文件大小： 1198K
代理商： W25X20-VSSI-G
W25X10, W25X20, W25X40 AND W25X80
- 14 -
9.2
INSTRUCTIONS
The instruction set of the W25X10/20/80/16 consists of fifteen basic instructions that are fully
controlled through the SPI bus (see Instruction Set table). Instructions are initiated with the falling
edge of Chip Select (/CS). The first byte of data clocked into the DIO input provides the instruction
code. Data on the DIO input is sampled on the rising edge of clock with most significant bit (MSB) first.
Instructions vary in length from a single byte to several bytes and may be followed by address bytes,
data bytes, dummy bytes (don’t care), and in some cases, a combination. Instructions are completed
with the rising edge of edge /CS. Clock relative timing diagrams for each instruction are included in
figures 4 through 19. All read instructions can be completed after any clocked bit. However, all
instructions that Write, Program or Erase must complete on a byte boundary (CS driven high after a
full 8-bits have been clocked) otherwise the instruction will be terminated. This feature further protects
the device from inadvertent writes. Additionally, while the memory is being programmed or erased, or
when the Status Register is being written, all instructions except for Read Status Register will be
ignored until the program or erase cycle has completed.
9.2.1
Manufacturer and Device Identification
MANUFACTURER ID
(M7-M0)
Winbond Serial Flash
EFH
Device ID
(ID7-ID0)
(ID15-ID0)
Instruction
ABh, 90h
9Fh
W25X10
10h
3011h
W25X20
11h
3012h
W25X40
12h
3013h
W25X80
13h
3014h
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W25X20VSSIZ 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
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W25X20VZPCG 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
W25X20VZPCZ 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
W25X20VZPI 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
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