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参数资料
| 型号： | W25Q64DWZPIP |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | PROM |
| 英文描述： | 256K X 32 SPI BUS SERIAL EEPROM, 7.5 ns, PDSO8 |
| 封装： | 6 X 5 MM, GREEN, WSON-8 |
| 文件页数： | 30/82页 |
| 文件大小： | 914K |
| 代理商： | W25Q64DWZPIP |
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W25Q64DW
- 36 -
Fast Read Quad I/O (EBh) in QPI Mode
The Fast Read Quad I/O instruction is also supported in QPI mode, as shown in Figure 15c. When QPI
mode is enabled, the number of dummy clocks is configured by the “Set Read Parameters (C0h)”
instruction to accommodate a wide range applications with different needs for either maximum Fast Read
frequency or minimum data access latency. Depending on the Read Parameter Bits P[5:4] setting, the
number of dummy clocks can be configured as either 2, 4, 6 or 8. The default number of dummy clocks
upon power up or after a Reset instruction is 2. In QPI mode, the “Continuous Read Mode” bits M7-0 are
also considered as dummy clocks. In the default setting, the data output will follow the Continuous Read
Mode bits immediately.
“Continuous Read Mode” feature is also available in QPI mode for Fast Read Quad I/O instruction.
Please refer to the description on previous pages.
“Wrap Around” feature is not available in QPI mode for Fast Read Quad I/O instruction. To perform a read
operation with fixed data length wrap around in QPI mode, a dedicated “Burst Read with Wrap” (0Ch)
instruction must be used. Please refer to 10.2.39 for details.
Figure 15c. Fast Read Quad I/O Instruction (Initial instruction or previous M5-4
≠10, QPI Mode)
M7-0
*
/CS
CLK
Mode 0
Mode 3
0
1
IO
0
IO
1
IO
2
IO
3
EBh
2
3
4
5
20
16
12
8
21
17
22
18
23
19
13
9
14
10
15
11
A23-16
6
7
8
9
4
0
5
1
6
2
7
3
A15-8
A7-0
Byte 1
Byte 2
4
0
5
1
6
2
7
3
4
0
5
1
6
2
7
3
4
0
5
1
6
2
7
3
10
11
12
13
14
4
5
6
7
IOs switch from
Input to Output
* "Set Read Parameters" instruction (C0h) can
set the number of dummy clocks.
Byte 3
Instruction
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PDF描述 |
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| W25Q80BLSNIG | 8M X 1 SPI BUS SERIAL EEPROM, PDSO8 |
| W25Q80BVZPAG | 8M X 1 SPI BUS SERIAL EEPROM, PDSO8 |
| W25Q80BVSNIP | 8M X 1 SPI BUS SERIAL EEPROM, PDSO8 |
| W25X10AVDIAZ | 128K X 8 FLASH 2.7V PROM, PDIP8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W25Q64FVDAIG | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 64M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI |
| W25Q64FVDAIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 64M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI |
| W25Q64FVSFIG | 功能描述:IC SPI FLASH 64MBIT 16SOIC RoHS:是 类别:集成电路 (IC) >> 存储器 系列:SpiFlash® 标准包装:72 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 同步 存储容量:4.5M（256K x 18） 速度:133MHz 接口:并联 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 封装/外壳:100-LQFP 供应商设备封装:100-TQFP（14x20） 包装:托盘 |
| W25Q64FVSFIG TR | 制造商:Winbond Electronics Corp 功能描述: 制造商:Winbond Electronics Corp 功能描述:IC FLASH 64MBIT 104MHZ 16SOIC |
| W25Q64FVSFIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 64M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI |
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