參數(shù)資料
型號： W25X10BVSNIG
廠商： WINBOND ELECTRONICS CORP
元件分類： PROM
英文描述： 1M X 1 FLASH 2.7V PROM, PDSO8
封裝： 0.150 INCH, GREEN, PLASTIC, SOIC-8
文件頁數(shù)： 10/51頁
文件大?。?/td> 1632K
代理商： W25X10BVSNIG
W25X10BV/20BV/40BV
- 18 -
9.2.6
Write Status Register (01h)
The Write Status Register instruction allows the Status Register to be written. A Write Enable
instruction must previously have been executed for the device to accept the Write Status Register
Instruction (Status Register bit WEL must equal 1). Once write enabled, the instruction is entered by
driving /CS low, sending the instruction code “01h”, and then writing the status register data byte as
illustrated in figure 7. The Status Register bits are shown in figure 3 and described earlier in this
datasheet.
Only non-volatile Status Register bits SRP, TB, BP2, BP1 and BP0 (bits 7, 5, 4, 3 and 2) can be
written to. All other Status Register bit locations are read-only and will not be affected by the Write
Status Register instruction.
The /CS pin must be driven high after the eighth bit of the last byte has been latched. If this is not
done the Write Status Register instruction will not be executed. After /CS is driven high, the self-timed
Write Status Register cycle will commence for a time duration of tW (See AC Characteristics). While
the Write Status Register cycle is in progress, the Read Status Register instruction may still accessed
to check the status of the BUSY bit. The BUSY bit is a 1 during the Write Status Register cycle and a
0 when the cycle is finished and ready to accept other instructions again. After the Write Register
cycle has finished the Write Enable Latch (WEL) bit in the Status Register will be cleared to 0.
The Write Status Register instruction allows the Block Protect bits (TB, BP2, BP1 and BP0) to be set
for protecting all, a portion, or none of the memory from erase and program instructions. Protected
areas become read-only (see Status Register Memory Protection table). The Write Status Register
instruction also allows the Status Register Protect bit (SRP) to be set. This bit is used in conjunction
with the Write Protect (/WP) pin to disable writes to the status register. When the SRP bit is set to a 0
state (factory default) the /WP pin has no control over the status register. When the SRP pin is set to a
1, the Write Status Register instruction is locked out while the /WP pin is low. When the /WP pin is
high the Write Status Register instruction is allowed.
Figure 7. Write Status Register Instruction Sequence Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W25X10BVZPIG 功能描述:IC SPI FLASH 1MBIT 8WSON RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:SpiFlash® 標(biāo)準(zhǔn)包裝:1,000 系列:- 格式 - 存儲器:EEPROMs - 串行 存儲器類型:EEPROM 存儲容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 線串口 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-MFP 包裝:帶卷 (TR)
W25X10CLSNIG 制造商:Winbond Electronics Corp 功能描述:Flash Serial-SPI 2.5V/3.3V 1Mbit 128K/64K x 8bit/16bit 8ns 8-Pin SOIC 制造商:Winbond Electronics Corp 功能描述:IC FLASH 1MBIT 104MHZ 8SOIC
W25X10CLSNIG TR 制造商:Winbond Electronics Corp 功能描述:SPIFLASH, 1M-BIT, 4KB UNIFORM 制造商:Winbond Electronics Corp 功能描述:IC MEMORY
W25X10CLZPIG 制造商:Winbond Electronics Corp 功能描述:IC FLASH 1MBIT 104MHZ 8WSON
W25X10CLZPIG TR 制造商:Winbond Electronics Corp 功能描述:IC FLASH 1MBIT 104MHZ 8WSON
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