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參數(shù)資料
| 型號(hào)： | 25LC320T |
| 廠商： | Microchip Technology Inc. |
| 元件分類(lèi)： | 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(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 87K |
| 代理商： | 25LC320T |
25LC320
DS21158B-page 6
Preliminary
1996 Microchip Technology Inc.
FIGURE 2-1: WRITE TO STATUS REGISTER AND/OR ARRAY FLOWCHART
CS Returns High
Continue
WEL = 1
WEL = 1
WP is low
WPEN = 1
Write
to array
Write to
Status Register
Do not write to
Status Register
Write to the
Unprotected Block
Do not write to
Array
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
To other
Commands
From other
Commands
Write
to Status
Reg
2.3
Write Status Register (WRSR)
The WRSR instruction allows the user to select one of
four protection options for the array by writing to the
appropriate bits in the status register. The array is
divided up into four segments. The user has the ability
to write protect none, one, two, or all four of the seg-
ments of the array. The partitioning is controlled as illus-
trated in Table 2-3.
See Figure 3-6 for WRSR timing sequence.
TABLE 2-3:
ARRAY PROTECTION
BP1
BP0
Array Addresses
Write Protected
none
upper 1/4
0C00h - 0FFFh
upper 1/2
0800h - 0FFFh
all
0000h - 0FFFh
0
0
0
1
1
0
1
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 25LC320T/SN | 功能描述:電可擦除可編程只讀存儲(chǔ)器 4kx8 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| 25LC320T-/SN | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:SPI Serial EEPROM |
| 25LC320T-/ST | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:SPI Serial EEPROM |
| 25LC320TE/P | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25LC320T-E/P | 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
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