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参数资料
| 型号： | 25AA256-EMF |
| 厂商： | Microchip Technology Inc. |
| 元件分类： | EEPROM |
| 英文描述： | 256K SPI Bus Serial EEPROM |
| 中文描述： | 256K SPI总线串行EEPROM |
| 文件页数： | 26/26页 |
| 文件大小： | 367K |
| 代理商： | 25AA256-EMF |
2003 Microchip Technology Inc.
Preliminary
DS21822C-page 9
25AA256/25LC256
2.4
Write Enable (WREN) and Write
Disable (WRDI)
The 25XX256 contains a write enable latch.
See
Table 2-4 for the Write-Protect Functionality Matrix.
This latch must be set before any write operation will be
completed internally. The WREN instruction will set the
latch, and the WRDI will reset the latch.
The following is a list of conditions under which the
write enable latch will be reset:
Power-up
WRDI instruction successfully executed
WRSR instruction successfully executed
WRITE instruction successfully executed
FIGURE 2-4:
WRITE ENABLE SEQUENCE (WREN)
FIGURE 2-5:
WRITE DISABLE SEQUENCE (WRDI)
SCK
0
2
34
56
7
1
SI
high-impedance
SO
CS
01
00
0
1
SCK
0
2345
67
1
SI
high-impedance
SO
CS
01
00
0
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 25AA256-EMFG | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256EP | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256-EP | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256-EPG | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256ESM | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
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