SST26VF040A-80ISLASHMFVAO datasheet(34/73 Pages) MICROCHIP

Nome de Peças	SST26VF040A-80I/MFVAO

Descrição Electrónicos	2.5V/3.0V 4-Mbit Serial Quad I/O??(SQI?? Flash Memory

PDF	73 Pages

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Fabricante Electrônico	MICROCHIP [Microchip Technology]

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DS20006292B-page 34

SST26VF040A

5.30

Write STATUS Register (WRSR)

The Write STATUS Register (WRSR) command writes

new values to the STATUS register and Configuration

tion, the host drives CE# low, then sends the Write

STATUS Register command cycle (01H), and one or

two cycles of data, and then drives CE# high. The first

cycle of data points to the STATUS register, the second

points to the Configuration register. See Figures 5-32

and 5-33.

FIGURE 5-32:

WRITE STATUS REGISTER SEQUENCE (SQI)

FIGURE 5-33:

WRITE STATUS REGISTER SEQUENCE (SPI)

Note:

MSN = Most Significant Nibble; LSN = Least Significant Nibble, XX = “Don’t Care”, C[1:0] = 01H

MODE 3

SCK

SIO[3:0]

CE#

C1 C0

MODE 0

H0 L0

MSN LSN

H0 L0

STATUS

Byte

Command

Configura-

tion

Byte

Note:

XX = “Don’t Care”

MODE 3

High-Impedance

MODE 0

STATUS

76 54 3 2 10

MSB

MODE 3

SCK

CE#

MODE 0

0 1 234 5 6 7

0 1 2 34 5 6 789 10 11 12 13 14 15

Configuration

76 54 3 2 10

MSB

16 17 18 19 20 21 22 23

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