參數(shù)資料
型號(hào): 25AA040-ISN
英文描述: High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver
中文描述: SPI串行EEPROM
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 160K
代理商: 25AA040-ISN
25AA040/25LC040/25C040
DS21204B-page 8
1998 Microchip Technology Inc.
3.4
Write Enable (WREN) and Write
Disable (WRDI)
The 25xx040 contains a write enable latch. See
Table 3-10 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
WP line is low
FIGURE 3-5:
WRITE ENABLE SEQUENCE
FIGURE 3-6:
WRITE DISABLE SEQUENCE
SCK
0
2
3
4
5
6
7
1
SI
high impedance
SO
CS
0
1
0
0
0
0
0
1
SCK
0
2
3
4
5
6
7
1
SI
high impedance
SO
CS
0
1
0
0
0
0
0
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
25AA040N 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM
25AA040-P 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM
25AA040-SN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM
25AA040ST 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM
25AA040T 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4K SPI Bus Serial EEPROM