GD25S512MDBIS datasheet(38/87 Pages) GIGADEVICE

Nome de Peças	GD25S512MDBIS

Descrição Electrónicos	3.3V Uniform Sector Dual and Quad Serial Flash

PDF	87 Pages

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Fabricante Electrônico	GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]

Página de início	http://www.gigadevice.com/

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3.3V Uniform Sector

Dual and Quad Serial Flash

GD25S512MD

7.16. Set Burst with Wrap (77H)

The Set Burst with Wrap command is used in conjunction with “Quad I/O Fast Read” command to access a fixed

length of 8/16/32/64-Byte section within a 256-Byte page, in standard SPI mode.

The Set Burst with Wrap command sequence: CS# goes low  Send Set Burst with Wrap command  Send 24

dummy bits 

Send 8 bits “Wrap bits”  CS# goes high.

Table 16 Set Burst with Wrap configuration

W6,W5

W4=0

W4=1 (default)

Wrap Around

Wrap Length

Wrap Around

Wrap Length

0, 0

Yes

8-Byte

N/A

0, 1

Yes

16-Byte

N/A

1, 0

Yes

32-Byte

N/A

1, 1

Yes

64-Byte

N/A

If the W6-W4 bits are set by the

Set Burst with Wrap command, all the following “Quad I/O Fast Read” command will

use the W6-W4 setting to access the 8/16/32/64-Byte

section within any page. To exit the “Wrap Around” function and return

to normal read operation, another Set Burst with Wrap command should be issued to set W4=1.

Figure 31 Set Burst with Wrap Sequence Diagram

Command

77H

CS#

SCLK

SI(IO0)

SO(IO1)

9 10 11 12 13 14 15

W6-W4

IO2

IO3

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