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參數(shù)資料
| 型號： | W25Q16VSFIG |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 2M X 8 SPI BUS SERIAL EEPROM, PDSO16 |
| 封裝： | 0.300 INCH, GREEN, PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 40/60頁 |
| 文件大?。?/td> | 1438K |
| 代理商： | W25Q16VSFIG |
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W25Q16V
Publication Release Date: October 7, 2009
- 45 -
Revision E
10.2.28 Continuous Read Mode Reset (FFh or FFFFh)
For Fast Read Dual/Quad I/O operations, “Continuous Read Mode” Bits (M7-0) are implemented to
further reduce instruction overhead. By setting the (M7-0) to “Ax” hex, the next Fast Read Dual/Quad
I/O operation does not require the BBh/EBh instruction code (See 10.2.12 Fast Read Dual I/O and
10.2.13 Fast Read Quad I/O for detail descriptions).
If the system controller is Reset during operation it will likely send a standard SPI instruction, such
as Read ID (9Fh) or Fast Read (0Bh), to the W25Q16. However, as with most SPI Serial Flash
memories, the W25Q16 does not have a hardware Reset pin, so if Continuous Read Mode bits are set
to “Ax” hex, the 25Q16 will not recognize any standard SPI instructions. To address this possibility, it is
recommended to issue a Continuous Read Mode Reset instruction as the first instruction after a system
Reset. Doing so will release the Continuous Read Mode from the “Ax” hex state and allow Standard SPI
instructions to be recognized. The Continuous Read Mode Reset instruction is shown in figure 29.
/CS
Mode 0
Mode 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Mode 0
Mode 3
CLK
IO
0
IO
1
IO
2
IO
3
Mode Bit Reset
for Quad I/O
Mode Bit Reset
for Dual I/O
Don’t Care
FFh
/CS
Mode 0
Mode 3
00
11
22
33
44
55
66
77
88
99
10
11
12
13
14
15
Mode 0
Mode 3
CLK
IO
0
IO
1
IO
2
IO
3
Mode Bit Reset
for Quad I/O
Mode Bit Reset
for Dual I/O
Don’t Care
FFh
Figure 29. Continuous Read Mode Reset for Fast Read Dual/Quad I/O
To reset “Continuous Read Mode” during Quad I/O operation, only eight clocks are needed. The
instruction is “FFh”. To reset “Continuous Read Mode” during Dual I/O operation, sixteen clocks are
needed to shift in instruction “FFFFh”.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W25Q16VSSIG | 功能描述:IC FLASH 16MBIT 80MHZ 8SOIC RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:SpiFlash® 產(chǎn)品變化通告:Product Discontinuation 26/Apr/2010 標(biāo)準(zhǔn)包裝:136 系列:- 格式 - 存儲器:RAM 存儲器類型:SRAM - 同步，DDR II 存儲容量:18M（1M x 18） 速度:200MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.9 V 工作溫度:0°C ~ 70°C 封裝/外殼:165-TBGA 供應(yīng)商設(shè)備封裝:165-CABGA（13x15） 包裝:托盤 其它名稱:71P71804S200BQ |
| W25Q16VZPIG | 制造商:WINBOND 制造商全稱:Winbond 功能描述:16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q20BW | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q20BWSNIG | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q20BWSNIP | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
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