参数资料
型号: W25Q16CVSFIG
厂商: Winbond Electronics
文件页数: 39/81页
文件大小: 0K
描述: IC SPI FLASH 16MBIT 16SOIC
标准包装: 44
系列: SpiFlash®
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 16M(2M x 8)
速度: 104MHz
接口: SPI 串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC
包装: 管件
其它名称: W25Q16CVSFIG-ND
W25Q16CVSFIGS
W25Q16CV
7.2.18 Set Burst with Wrap (77h)
The Set Burst with Wrap (77h) instruction is used in conjunction with “Fast Read Quad I/O” and “Word
Read Quad I/O” instructions to access a fixed length of 8/16/32/64 -byte section within a 256-byte page.
Certain applications can benefit from this feature and improve the overall system code execution
performance.
Similar to a Quad I/O instruction, the Set Burst with Wrap instruction is initiated by driving the /CS pin low
and then shifting the instruction code “77h” followed by 24 dummy bits and 8 “Wrap Bits”, W7 -0. The
instruction sequence is shown in Figure 17. Wrap bit W7 and the lower nibble W3-0 are not used.
W4 = 0
W4 =1 (DEFAULT)
W6, W5
Wrap Around
Wrap Length
Wrap Around
Wrap Length
0
0
1
1
0
1
0
1
Yes
Yes
Yes
Yes
8-byte
16-byte
32-byte
64-byte
No
No
No
No
N/A
N/A
N/A
N/A
Once W6-4 is set by a Set Burst with Wrap instr uction, all the following “Fast Read Quad I/O” and “Word
Read Quad I/O” instructions will use the W6 -4 setting to access the 8/16/32/64-byte section within any
page. To exit the “Wrap Around” function and return to normal read operation, another Set Burst with
Wrap instruction should be issued to set W4 = 1. The default value of W4 upon power on is 1. In the case
of a system Reset while W4 = 0, it is recommended that the controller issues a Set Burst with Wrap
instruction to reset W4 = 1 prior to any normal Read instructions since W25Q16CV does not have a
hardware Reset Pin.
/CS
Mode 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Mode 3
CLK
Mode 0
Mode 0
Instruction (77h)
don't
care
don't
care
don't
care
Wrap Bit
IO 0
IO 1
IO 2
IO 3
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
w4
w5
w6
X
X
X
X
X
Figure 17. Set Burst with Wrap Instruction Sequence
Publication Release Date: October 03, 2013
- 39 -
Revision G
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