GD25LE256DFES datasheet(57/83 Pages) GIGADEVICE

Part #	GD25LE256DFES

Description	1.8V Uniform Sector Dual and Quad Serial Flash

PDF	83 Pages

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Manufacturer	GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]

Direct Link	http://www.gigadevice.com/

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57 / 83 page

1.8V Uniform Sector

Dual and Quad Serial Flash

GD25LE256D

7.34. Set Read Parameters (C0H)

In QPI mode the

“Set Read Parameters (C0H)” command can be used to configure the number of dummy clocks for

“Fast Read (0BH)”, “Quad I/O Fast Read (EBH)” , “Burst Read with Wrap (0CH)”, “Burst Read with Wrap for Lower 128Mb

(8CH)

” and “Burst Read with Wrap For Higher 128Mb (8DH)” command, and to configure the number of bytes of “Wrap

Length

” for the “Burst Read with Wrap (0CH)” command. The “Wrap Length” is set by W5-6 bit in the “Set Burst with Wrap

(77H)

” command. This setting will remain unchanged when the device is switched from Standard SPI mode to QPI mode.

P5-P4

Dummy

Clocks

Maximum Read Freq.

P1-P0

Wrap Length

-40~85℃

-40~105℃

-40~125℃

0 0

80MHz

60MHz

0 0

8-byte

0 1

108MHz

80MHz

0 1

16-byte

1 0

120MHz

104MHz

1 0

32-byte

1 1

120MHz

104MHz

1 1

64-byte

Figure36. Set Read Parameters command Sequence Diagram

CS#

SCLK

IO0

IO1

IO2

IO3

Command

C0H

P4 P0

P6 P2

P7 P3

P5 P1

Read

Parameters

GD25LE256DFES Datasheet(PDF) 57 Page - GigaDevice Semiconductor (Beijing) Inc.

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