参数资料
型号: W25Q32DWZPIP
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 16 SPI BUS SERIAL EEPROM, 7.5 ns, PDSO8
封装: 6 X 5 MM, GREEN, WSON-8
文件页数: 22/82页
文件大小: 1155K
代理商: W25Q32DWZPIP
W25Q32DW
Publication Release Date: January 18, 2011
- 29 -
Preliminary - Revision C
Fast Read (0Bh) in QPI Mode
The Fast Read instruction is also supported in QPI mode. 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.
/CS
CLK
Mode 0
Mode 3
0
1
IO
0
IO
1
IO
2
IO
3
0Bh
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
Dummy
*
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
4
5
6
7
IOs switch from
Input to Output
* "Set Read Parameters" instruction (C0h) can set
the number of dummy clocks.
Instruction
Figure 11b. Fast Read Instruction (QPI Mode)
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