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AT25QL641 Datasheet(PDF) 57 Page - Renesas Technology Corp

Part # AT25QL641
Description  SPI Serial Flash Memory with Dual I/O, Quad I/O, QPI Support
PDF  80 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

AT25QL641 Datasheet(HTML) 57 Page - Renesas Technology Corp

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DS-AT25QL641-130 Rev. G
Page 57
Sep 14, 2022
© 2022 Renesas Electronics
AT25QL641 Datasheet
8.33 Burst Read with Wrap (0Ch)
The Burst Read with Wrap (0Ch) command provides an alternative way to perform the read operation with wrap
around in QPI mode. The command is similar to the Fast Read (0Bh) command in QPI mode, except the
addressing of the read operation wraps around to the beginning boundary of the wrap length once the ending
boundary is reached.
The number of dummy clock cycles can be configured as either 4, 6 or 8 by setting bits P[5:4] in the 8-bit
parameter of the Set Read Parameters (C0h) command as shown in Table 12, Encoding of P[5:4] Bits.
Figure 56. Burst Read with Wrap Command (QPI Mode)
SCK
CS
0
123
45
6
7
n+1
n+2
n+3
0
n+4
1
4
5
8
9
12
13
16
17
20
21
Mode 3
Mode 0
2
6
10
14
18
22
3
7
0
1
44
55
0
1
4
5
2
66
2
6
3
77
3
7
11
15
19
23
A23-16
A15-8
A7-0
Dummy*
* “Set Read Parameters” command (C0h) can set the number of dummy clocks
Byte 1
Byte 2
Byte 3
I/O
s switch from
Input to Output
Command
(0Ch)
IO
0
IO
1
WP
IO
2
HOLD
IO
3



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