GD25B16CSIG datasheet(32/53 Pages) GIGADEVICE

部件名	GD25B16CSIG

功能描述	3.3V Uniform Sector Dual and Quad Serial Flash

PDF	53 Pages

Scroll/Zoom	100%

制造商	GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]

网页	http://www.gigadevice.com/

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3.3V Uniform Sector

Dual and Quad Serial Flash

GD25B16C

Figure 27. High Performance Mode Sequence Diagram

7.24.

Continuous Read Mode Reset (CRMR) (FFH)

The Dual/Quad I/O Fast Read

operations, “Continuous Read Mode” bits (M7-0) are implemented to further reduce

command overhead. By setting the (M7-0) to AXH, the next Dual/Quad I/O Fast Read operations do not require the

BBH/EBH/E7H command code.

Because the GD25B16C has no hard

ware reset pin, so if Continuous Read Mode bits are set to “AXH”, the GD25B16C

will not recognize any standard SPI commands. So Continuous Read Mode Reset command will release the Continuous

Read Mode from the “AXH” state and allow standard SPI command to be recognized. The command sequence is show in

Figure28.

Figure 28. Continuous Read Mode Reset Sequence Diagram

CS#

SCLK

SI(IO0)

SO(IO1)

IO2

IO3

FFH

Mode Bit Reset for Quad/Dual I/O

Don`t Care

Command

A3H

CS#

SCLK

29 30 31

MSB

3 Dummy Bytes

23 22

High Performance Mode

HPM

GD25B16CSIG 数据表(PDF) 32 Page - GigaDevice Semiconductor (Beijing) Inc.

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