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SST26VF032B-104I/SM Datasheet(PDF) 34 Page - Microchip Technology

Part # SST26VF032B-104I/SM
Description  2.5V/3.0V 32-Mbit Serial Quad I/O™ (SQI™) Flash Memory
PDF  82 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SST26VF032B-104I/SM Datasheet(HTML) 34 Page - Microchip Technology

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SST26VF032B/SST26VF032BA
DS20005218K-page 34
 2013-2022 Microchip Technology Inc. and its subsidiaries
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 Figure 5-34 and Figure 5-35.
FIGURE 5-34:
WRITE DISABLE (WRDI) SEQUENCE (SQI)
FIGURE 5-35:
WRITE DISABLE (WRDI) SEQUENCE (SPI)
MODE 3
0
1
SCK
SIO[3:0]
CE#
04
MODE 0
CE#
SO
SI
SCK
01 2 3 4 5 6 7
04
High-Impedance
MODE 0
MODE 3
MSB



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