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| 型号： | 25AA080C-I/MS |
| 厂商： | Microchip Technology |
| 文件页数： | 10/28页 |
| 文件大小： | 0K |
| 描述： | IC SRL EEPROM 1KX8 1.8V 8-MSOP |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 8K (1K x 8) |
| 速度： | 3MHZ，5MHZ，10MHZ |
| 接口： | SPI 3 线串行 |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 产品目录页面： | 1448 (CN2011-ZH PDF) |
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25XX080C/D
2.5
Read Status Register ( RDSR )
The Write Enable Latch (WEL) bit indicates the status
Instruction
The Read Status Register ( RDSR ) instruction 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:
of the write enable latch and is read only. When set to
a ‘ 1 ’, the latch allows writes to the array or the STATUS
register, when set to a ‘ 0 ’, the latch prohibits writes to
the array or the STATUS register. The state of this bit
can always be updated via the WREN or WRDI com-
mands regardless of the state of write protection on the
STATUS register. These commands are shown in
TABLE 2-2:
STATUS REGISTER
Figure 2-4 and Figure 2-5.
7 6 5 4 3 2 1
W/R – – – W/R W/R R
WPEN X X X BP1 BP0 WEL
0
R
WIP
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, which
is in Figure 2-7. These bits are nonvolatile and are
W/R = writable/readable. R = read-only.
The Write-In-Process (WIP) bit indicates whether the
25XX080C/D 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.
shown in Table 2-3.
See Figure 2-6 for the RDSR timing sequence.
FIGURE 2-6:
CS
READ STATUS REGISTER TIMING SEQUENCE ( RDSR )
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SCK
Instruction
SI
0
0
0
0
0
1
0
1
High-Impedance
Data from STATUS Register
SO
7
6
5
4
3
2
1
0
DS22151A-page 10
? 2009 Microchip Technology Inc.
相关PDF资料 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 25AA080CT-E/MNY | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8K SPI Bus Serial EEPROM |
| 25AA080CT-E/MS | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8K SPI Bus Serial EEPROM |
| 25AA080CT-E/P | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8K SPI Bus Serial EEPROM |
| 25AA080CT-E/SN | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8K SPI Bus Serial EEPROM |
| 25AA080CT-E/ST | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8K SPI Bus Serial EEPROM |
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