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参数资料
| 型号： | W25Q16CVZPIG |
| 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： | 31/79页 |
| 文件大小： | 1131K |
| 代理商： | W25Q16CVZPIG |
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W25Q16CV
Publication Release Date: April 01, 2011
- 37 -
Revision C
7.2.17 Octal Word Read Quad I/O (E3h)
The Octal Word Read Quad I/O (E3h) instruction is similar to the Fast Read Quad I/O (EBh) instruction
except that the lower four Address bits (A0, A1, A2, A3) must equal 0. As a result, the dummy clocks are
not required, which further reduces the instruction overhead allowing even faster random access for code
execution (XIP). The Quad Enable bit (QE) of Status Register-2 must be set to enable the Octal Word
Read Quad I/O Instruction.
Octal Word Read Quad I/O with “Continuous Read Mode”
The Octal Word Read Quad I/O instruction can further reduce instruction overhead through setting the
“Continuous Read Mode” bits (M7-0) after the input Address bits (A23-0), as shown in Figure 16a. The
upper nibble of the (M7-4) controls the length of the next Octal Word Read Quad I/O instruction through
the inclusion or exclusion of the first byte instruction code. The lower nibble bits of the (M3-0) are don’t
care (“x”). However, the IO pins should be high-impedance prior to the falling edge of the first data out
clock.
If the “Continuous Read Mode” bits M5-4 = (1,0), then the next Fast Read Quad I/O instruction (after /CS
is raised and then lowered) does not require the E3h instruction code, as shown in Figure 16b. This
reduces the instruction sequence by eight clocks and allows the Read address to be immediately entered
after /CS is asserted low. If the “Continuous Read Mode” bits M5-4 do not equal to (1,0), the next
instruction (after /CS is raised and then lowered) requires the first byte instruction code, thus returning to
normal operation. A “Continuous Read Mode” Reset instruction can also be used to reset (M7-0) before
issuing normal instructions (See 7.2.20 for detail descriptions).
M7-0
/CS
CLK
Mode 0
Mode 3
0
1
IO
0
IO
1
IO
2
IO
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
4
Byte 1
Byte 2
0
5
1
6
2
7
3
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
Byte 3
15
16
17
18
19
20
21
Instruction (E3h)
4
0
5
1
6
2
7
3
Byte 4
Figure 16a. Octal Word Read Quad I/O Instruction Sequence (Initial instruction or previous M5-4
≠ 10)
相关PDF资料 |
PDF描述 |
|---|---|
| W25Q16CVTCIP | 16M X 1 SPI BUS SERIAL EEPROM, PBGA24 |
| WF2M32S-100GTI | 8M X 8 FLASH 5V PROM MODULE, 100 ns, CQFP68 |
| WE128K8-200CQ | 128K X 8 EEPROM 5V MODULE, 200 ns, CDIP32 |
| WS512K32F-20H2C | 2M X 8 MULTI DEVICE SRAM MODULE, 20 ns, CHMA66 |
| WS512K32F-25G2TQA | 2M X 8 MULTI DEVICE SRAM MODULE, 25 ns, CQMA68 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| W25Q16CVZPIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q16DVDAIG | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q16DVDAIP | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q16DVDAIQ | 制造商:WINBOND 制造商全称:Winbond 功能描述:3V 16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q16DVSFIG | 制造商:Winbond Electronics Corp 功能描述:IC FLASH 16MBIT 104MHZ 16SOIC |
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