FOR MOBILE APPLICATIONS
W25Q256FV
- 83 -
8.2.45
Burst Read with Wrap (0Ch)
The “Burst Read with Wrap (0Ch)” instruction provides an alternative way to perform the read operation
with “Wrap Around” in QPI mode. The instruction is similar to the “Fast Read (0Bh)” instruction in QPI
mode, except the addressing of the read operation will “Wrap Around” to the beginning boundary of the
“Wrap Length” once the ending boundary is reached.
The “Wrap Length” and the number of dummy clocks can be configured by the “Set Read Parameters
(C0h)” instruction.
Dummy
*
/CS
CLK
Mode 0
Mode 3
0
1
IO
0
IO
1
IO
2
IO
3
0Ch
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
10
11
12
13
14
4
5
6
7
IOs switch from
Input to Output
*
"Set Read Parameters" instruction (C0h) can
Byte 3
Instruction
set the number of dummy clocks.
Figure 49. Burst Read with Wrap Instruction (QPI Mode only)
32-Bit Address is required when the device is operating in 4-Byte Address Mode
