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SST26VF040A-80I/MFVAO Folha de dados(PDF) 36 Page - Microchip Technology

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]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SST26VF040A-80I/MFVAO Folha de dados(HTML) 36 Page - Microchip Technology

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 2020-2021 Microchip Technology Inc.
DS20006292B-page 36
SST26VF040A
5.32
Write Disable (WRDI)
The Write Disable (WRDI) instruction sets the Write
Enable Latch bit in the STATUS register to ‘0’, prevent-
ing write operations. The WRDI instruction is ignored
during any internal write operations. Any write opera-
tion started before executing WRDI will complete. Drive
CE# high before executing WRDI.
To execute a Write Disable, the host drives CE# low,
sends the Write Disable command cycle (04H), then
drives CE# high. See Figures 5-36 and 5-37.
FIGURE 5-36:
WRITE DISABLE (WRDI) SEQUENCE (SQI)
FIGURE 5-37:
WRITE DISABLE (WRDI) SEQUENCE (SPI)
MODE 3
0
1
SCK
SIO[3:0]
CE#
04
MODE 0
CE#
SO
SI
SCK
0 1 234 5 6 7
04
High-Impedance
MODE 0
MODE 3
MSB



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