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参数资料
| 型号： | W25Q40BLSNIP |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | PROM |
| 英文描述： | 4M X 1 SPI BUS SERIAL EEPROM, PDSO8 |
| 封装： | 3.81 MM, GREEN, PLASTIC, SOIC-8 |
| 文件页数： | 5/73页 |
| 文件大小： | 2221K |
| 代理商： | W25Q40BLSNIP |
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W25Q40BL
Publication Release Date: July 08, 2010
- 13 -
Preliminary - Revision B
8.1.10 Quad Enable (QE)
The Quad Enable (QE) bit is a non-volatile read/write bit in the status register (S9) that allows Quad SPI
operation. When the QE bit is set to a 0 state (factory default), the /WP pin and /HOLD are enabled.
When the QE bit is set to a 1, the Quad IO2 and IO3 pins are enabled, and /WP and /HOLD functions are
disabled.
WARNING: If the /WP or /HOLD pins are tied directly to the power supply or ground during
standard SPI or Dual SPI operation, the QE bit should never be set to a 1.
S7
S6
S5
S4
S3
S2
S1
S0
SRP0 SEC
TB
BP2
BP1
BP0
WEL BUSY
STATUS REGISTER PROTECT 0
(non-volatile)
SECTOR PROTECT
(non-volatile)
TOP/BOTTOM PROTECT
(non-volatile)
BLOCK PROTECT BITS
(non-volatile)
WRITE ENABLE LATCH
ERASE/WRITE IN PROGRESS
S7
S6
S5
S4
S3
S2
S1
S0
SRP0 SEC
TB
BP2
BP1
BP0
WEL BUSY
STATUS REGISTER PROTECT 0
(non-volatile)
SECTOR PROTECT
(non-volatile)
TOP/BOTTOM PROTECT
(non-volatile)
BLOCK PROTECT BITS
(non-volatile)
WRITE ENABLE LATCH
ERASE/WRITE IN PROGRESS
Figure 3a. Status Register-1
S15
S14
S13
S12
S11
S10
S9
S8
SUS
CMP
LB3
LB2
LB1
(R)
QE
SRP1
SUSPEND STATUS
COMPLEMENT PROTECT
(non-volatile)
SECURITY REGISTER LOCK BITS
(non-volatile OTP)
QUAD ENABLE
(non-volatile)
STATUS REGISTER PROTECT 1
(non-volatile)
RESERVED
S15
S14
S13
S12
S11
S10
S9
S8
SUS
CMP
LB3
LB2
LB1
(R)
QE
SRP1
SUSPEND STATUS
COMPLEMENT PROTECT
(non-volatile)
SECURITY REGISTER LOCK BITS
(non-volatile OTP)
QUAD ENABLE
(non-volatile)
STATUS REGISTER PROTECT 1
(non-volatile)
RESERVED
Figure 3b. Status Register-2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W25Q40BLSSIG | 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q40BLSSIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q40BLZPIG | 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q40BLZPIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:2.5V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q40BV | 制造商:WINBOND 制造商全称:Winbond 功能描述:4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
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