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參數(shù)資料
| 型號(hào)： | 25AA320XT |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | EEPROM |
| 英文描述： | 32K SPI Bus Serial EEPROM |
| 中文描述： | 32K的SPI總線串行EEPROM |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 383K |
| 代理商： | 25AA320XT |
25AA320/25LC320/25C320
DS21227E-page 12
2004 Microchip Technology Inc.
3.7
Data Protection
The following protection has been implemented to
prevent inadvertent writes to the array:
The write enable latch is reset on power-up
A
WRITE ENABLE
instruction must be issued to
set the write enable latch
After a byte write, page write or Status register
write, the write enable latch is reset
CS must be set high after the proper number of
clock cycles to start an internal write cycle
Access to the array during an internal write cycle
is ignored and programming is continued
3.8
Power-On State
The 25XX320 powers on in the following state:
The device is in low-power Standby mode
(CS=
1
)
The write enable latch is reset
SO is in high-impedance state
A low level on CS is required to enter active state
.
TABLE 3-3:
WRITE-PROTECT FUNCTIONALITY MATRIX
WPEN
WP
WEL
Protected Blocks
Unprotected Blocks
Status Register
x
0
1
x
x
x
0
1
1
1
Protected
Protected
Protected
Protected
Protected
Writable
Writable
Writable
Protected
Writable
Protected
Writable
Low
High
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 25LC320 | 32K 2.5V SPI Bus Serial EEPROM |
| 25LC320T | 32K SPI Bus Serial EEPROM |
| 25LC640 | 64K SPI Bus Serial EEPROM |
| 25AA640 | 64K 1.8V SPI Bus Serial EEPROM(1.8~5.5V,1MHz,64K位,10M擦寫周期,EEPROM) |
| 25C640 | 64K SPI Bus Serial EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 25AA320XT-E/P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25AA320XT-E/SN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25AA320XTE/ST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25AA320XT-E/ST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25AA320XTE/ST14 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
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