参数资料
型号: W25Q16CVZPAG
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 16M X 1 SPI BUS SERIAL EEPROM, PDSO8
封装: 6 X 5 MM, GREEN, WSON-8
文件页数: 22/79页
文件大小: 1131K
代理商: W25Q16CVZPAG
W25Q16CV
Publication Release Date: April 01, 2011
- 29 -
Revision C
7.2.12 Fast Read Dual Output (3Bh)
The Fast Read Dual Output (3Bh) instruction is similar to the standard Fast Read (0Bh) instruction except
that data is output on two pins; IO0 and IO1. This allows data to be transferred from the W25Q16CV at
twice the rate of standard SPI devices. The Fast Read Dual Output instruction is ideal for quickly
downloading code from Flash to RAM upon power-up or for applications that cache code-segments to
RAM for execution.
Similar to the Fast Read instruction, the Fast Read Dual Output instruction can operate at the highest
possible frequency of FR (see AC Electrical Characteristics). This is accomplished by adding eight
“dummy” clocks after the 24-bit address as shown in Figure 11. The dummy clocks allow the device's
internal circuits additional time for setting up the initial address. The input data during the dummy clocks is
“don’t care”. However, the IO0 pin should be high-impedance prior to the falling edge of the first data out
clock.
/CS
CLK
DI
(IO
0)
DO
(IO
1)
Mode 0
Mode 3
0
1
2
3
4
5
6
7
Instruction (3Bh)
High Impedance
8
9
10
28
29
30
32
33
34
35
36
37
38
39
6
4
2
0
24-Bit Address
23
22
21
3
2
1
0
*
31
/CS
CLK
DI
(IO
0)
DO
(IO
1)
Dummy Clocks
0
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
7
5
3
1
6
4
2
0
6
4
2
0
6
4
2
0
High Impedance
7
5
3
1
7
5
3
1
7
5
3
1
IO
0 switches from
Input to Output
6
7
Data Out 1
* Data Out 2
* Data Out 3
* Data Out 4
= MSB
*
Figure 11. Fast Read Dual Output Instruction Sequence Diagram
相关PDF资料
PDF描述
WF128K32-150G2LC5 128K X 32 FLASH 5V PROM MODULE, 150 ns, CQFP68
WS128K32L-55G2UCA 128K X 32 MULTI DEVICE SRAM MODULE, 55 ns, CQFP68
WE128K32N-200HSQ 512K X 8 EEPROM 5V MODULE, 200 ns, CHIP66
WF128K32NA-150HC 512K X 8 FLASH 12V PROM MODULE, 150 ns, CHIP66
WS512K32-35HI 2M X 8 MULTI DEVICE SRAM MODULE, 35 ns, CHIP66
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