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參數(shù)資料
| 型號： | 25LC320XT |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | LED ROUND WHITE 5MM |
| 中文描述： | 32K的SPI總線串行EEPROM |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 383K |
| 代理商： | 25LC320XT |
25AA320/25LC320/25C320
DS21227E-page 10
2004 Microchip Technology Inc.
3.5
Read Status Register Instruction
(
RDSR
)
The Read Status Register instruction (
RDSR
) provides
access to the Status register. The Status register may
be read at any time, even during a write cycle. The
Status register is formatted as follows:
The
Write-In-Process (WIP)
bit indicates whether the
25XX320 is busy with a write operation. When set to a
‘
1
’, a write is in progress; when set to a ‘
0
’, no write is
in progress. This bit is read-only.
The
Write Enable Latch (WEL)
bit indicates the status
of the write enable latch. When set to a ‘
1
’, the latch
allows writes to the array, when set to a ‘
0
’, the latch
prohibits writes to the array. The state of this bit can
always be updated via the WREN or WRDI commands
regardless of the state of write protection on the Status
register. This bit is read-only.
The
Block Protection (BP0 and BP1)
bits indicate
which blocks are currently write-protected. These bits
are set by the user issuing the
WRSR
instruction. These
bits are nonvolatile.
See Figure 3-6 for the RDSR timing sequence.
FIGURE 3-6:
READ STATUS REGISTER TIMING SEQUENCE
7
6
X
5
X
4
X
3
2
1
0
WPEN
BP1
BP0
WEL
WIP
SO
SI
CS
9
10
11
12
13
14
15
1
1
0
0
0
0
0
0
7
6
5
4
2
1
0
instruction
data from Status register
High-impedance
SCK
0
2
3
4
5
6
7
1
8
3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 25AA320X | 32K SPI Bus Serial EEPROM |
| 25AA320XT | 32K SPI Bus Serial EEPROM |
| 25LC320 | 32K 2.5V SPI Bus Serial EEPROM |
| 25LC320T | 32K SPI Bus Serial EEPROM |
| 25LC640 | 64K SPI Bus Serial EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 25LC320XT-E/P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25LC320XT-E/SN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25LC320XTE/ST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25LC320XT-E/ST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:32K SPI Bus Serial EEPROM |
| 25LC320XTE/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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