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參數(shù)資料
| 型號： | SA25F020LEN |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | RES 82.5 OHM 1/10W .5% 0805 SMD |
| 中文描述： | 2MB的串行閃存與25MHz的SPI總線接口 |
| 文件頁數(shù)： | 23/37頁 |
| 文件大?。?/td> | 560K |
| 代理商： | SA25F020LEN |
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SA25F020 Advanced Information
SAIFUN
23
Read Data Bytes (READ)
Reading the memory via the serial SPI link
requires the following sequence:
1. After the CSb line is pulled low to
select the device, the READ
opcode is transmitted via the SI
line, followed by the 3-byte address
to be read (address bits A23 to A18
are Don’t Care).
2. Upon completion, any data on the
SI line is ignored.
3. The data (D7-D0) at the specified
address is then shifted out onto the
SO line. Each bit is shifted out at a
maximum SCK frequency of F
SCK
.
If only one byte is to be read, the CSb line
should be driven high after the data comes
out.
The
READ
continued,
as
the
automatically
incremented
continues to shift out. When the highest
address is reached, the address counter
rolls over to the lowest address, enabling
the entire memory to be read in one
continuous READ cycle. The instruction
sequence is shown in Figure 14.
sequence
byte
can
be
is
address
and
data
Driving CSb high terminates the READ
instruction, which can be done at any time
during data output. Any READ instruction
executed while an Erase, Program or
WRSR cycle is in progress is rejected
without having any effect on the cycle in
progress.
1
3
2
10
9
8
7
6
5
4
0
31
30
29
28
Instruction
24-Bit
Address
23
21
22
1
3
2
0
1
3
2
0
7
6
5
4
36
35
34
33
32
39
38
37
SCK
SI
SO
High Impedance
MSB
DATA OUT 1
DATA OUT 2
7
MSB
CS
Figure 14. Read (READ) Instruction Sequence
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SA25F020LEMLFFX | 4 Mbit Uniform Sector, Serial Flash Memory |
| SA25F020LENFX | 4 Mbit Uniform Sector, Serial Flash Memory |
| SA32-11SRWA | 8mm (0.32INCH) SINGLE DIGIT NUMERIC DISPLAY |
| SA36-11YWA | Multiconductor Cable; Number of Conductors:4; Conductor Size AWG:22; No. Strands x Strand Size:Solid; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper; Outer Diameter:0.141" RoHS Compliant: Yes |
| SA36-11EWA | 9mm(0.36INCH) SINGLE DIGIT NUMERIC DISPLAYS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SA25F020LENF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2Mb Serial Flash with 25MHz SPI Bus Interface |
| SA25F020LENFX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2Mb Serial Flash with 25MHz SPI Bus Interface |
| SA25TFKHL-C1000-D | 制造商:Delkin Devices 功能描述:256MB SECURE DIGITAL, IND TEMP - Trays |
| SA26 | 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 SA26 Uni-Directional RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
| SA26 _AY _10001 | 制造商:PanJit Touch Screens 功能描述: |
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