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EN25S20A Datasheet(PDF) 7 Page - Eon Silicon Solution Inc.

Part No. EN25S20A
Description  2 Megabit 1.8V Serial Flash Memory with 4Kbyte Uniform Sector
Download  65 Pages
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Maker  EON [Eon Silicon Solution Inc.]
Homepage  http://www.essi.com.tw
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EN25S20A Datasheet(HTML) 7 Page - Eon Silicon Solution Inc.

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This Data Sheet may be revised by subsequent versions
©2014 Eon Silicon Solution, Inc.,
www.eonssi.com
or modifications due to changes in technical specifications.
7
EN25S20A
Rev. A, Issue Date: 2014/01/16
Figure 4. Quad I/O SPI Modes
Full Quad SPI Modes (QPI)
The EN25S20A also supports Full Quad SPI Mode (QPI) function while using the Enable Quad
Peripheral Interface mode (EQPI) (38h). When using Quad SPI instruction the DI and DO pins become
bidirectional I/O pins; DQ0 and DQ1, and the WP# and HOLD# pins become DQ2 and DQ3 respectively.
Figure 5. Full Quad SPI Modes


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