參數(shù)資料
型號(hào)： W25Q80BLSSIP
廠商： WINBOND ELECTRONICS CORP
元件分類： PROM
英文描述： 8M X 1 SPI BUS SERIAL EEPROM, PDSO8
封裝： 5.28 MM, GREEN, PLASTIC, SOIC-8
文件頁(yè)數(shù)： 4/75頁(yè)
文件大?。?/td> 2267K
代理商： W25Q80BLSSIP
W25Q80BL
- 12 -
9.
CONTROL AND STATUS REGISTERS
The Read Status Register-1 and Status Register-2 instructions can be used to provide status on the
availability of the Flash memory array, if the device is write enabled or disabled, the state of write
protection, Quad SPI setting, Security Register lock status and Erase/Program Suspend status. The Write
Status Register instruction can be used to configure the device write protection features, Quad SPI setting
and Security Register OTP lock. Write access to the Status Register is controlled by the state of the non-
volatile Status Register Protect bits (SRP0, SRP1), the Write Enable instruction, and during
Standard/Dual SPI operations, the /WP pin.
9.1 STATUS REGISTER
9.1.1
BUSY
BUSY is a read only bit in the status register (S0) that is set to a 1 state when the device is executing a
Page Program, Quad Page Program, Sector Erase, Block Erase, Chip Erase, Write Status Register or
Erase/Program Security Register instruction. During this time the device will ignore further instructions
except for the Read Status Register and Erase/Program Suspend instruction (see tW, tPP, tSE, tBE, and
tCE in AC Characteristics). When the program, erase or write status/security register instruction has
completed, the BUSY bit will be cleared to a 0 state indicating the device is ready for further instructions.
9.1.2
Write Enable Latch (WEL)
Write Enable Latch (WEL) is a read only bit in the status register (S1) that is set to 1 after executing a
Write Enable Instruction. The WEL status bit is cleared to 0 when the device is write disabled. A write
disable state occurs upon power-up or after any of the following instructions: Write Disable, Page
Program, Quad Page Program, Sector Erase, Block Erase, Chip Erase, Write Status Register, Erase
Security Register and Program Security Register.
9.1.3
Block Protect Bits (BP2, BP1, BP0)
The Block Protect Bits (BP2, BP1, BP0) are non-volatile read/write bits in the status register (S4, S3, and
S2) that provide Write Protection control and status. Block Protect bits can be set using the Write Status
Register Instruction (see tW in AC characteristics). All, none or a portion of the memory array can be
protected from Program and Erase instructions (see Status Register Memory Protection table). The
factory default setting for the Block Protection Bits is 0, none of the array protected.
9.1.4
Top/Bottom Block Protect (TB)
The non-volatile Top/Bottom bit (TB) controls if the Block Protect Bits (BP2, BP1, BP0) protect from the
Top (TB=0) or the Bottom (TB=1) of the array as shown in the Status Register Memory Protection table.
The factory default setting is TB=0. The TB bit can be set with the Write Status Register Instruction
depending on the state of the SRP0, SRP1 and WEL bits.
9.1.5
Sector/Block Protect (SEC)
The non-volatile Sector/Block Protect bit (SEC) controls if the Block Protect Bits (BP2, BP1, BP0) protect
either 4KB Sectors (SEC=1) or 64KB Blocks (SEC=0) in the Top (TB=0) or the Bottom (TB=1) of the
array as shown in the Status Register Memory Protection table. The default setting is SEC=0.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W25Q80BLSVIG 制造商:Winbond Electronics Corp 功能描述:8MB SERIAL FLASH MEMORY
W25Q80BLZPIG 制造商:Winbond Electronics Corp 功能描述:FLASH
W25Q80BLZPIGTR 功能描述:IC MEM FLASH 8M SPI 8-WSON RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:SpiFlash® 標(biāo)準(zhǔn)包裝:2,000 系列:- 格式 - 存儲(chǔ)器:RAM 存儲(chǔ)器類型:SRAM - 異步 存儲(chǔ)容量:256K (32K x 8) 速度:15ns 接口:并聯(lián) 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:28-TSSOP（0.465"，11.8mm 寬） 供應(yīng)商設(shè)備封裝:28-TSOP 包裝:帶卷 (TR) 其它名稱:71V256SA15PZGI8
W25Q80BLZPIP 制造商:WINBOND 制造商全稱:Winbond 功能描述:2.5V 8M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q80BV 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
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