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SST26VF032B Datasheet(PDF) 39 Page - Microchip Technology

Part # SST26VF032B
Description  2.5V/3.0V 32 Mbit Serial Quad I/O (SQI) Flash Memory
PDF  77 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SST26VF032B Datasheet(HTML) 39 Page - Microchip Technology

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 2013-2016 Microchip Technology Inc.
DS20005218E-page 39
SST26VF032B / SST26VF032BA
5.37
Global Block-Protection Unlock
(ULBPR)
The Global Block-Protection Unlock (ULBPR) instruc-
tion clears all write-protection bits in the Block-Protec-
tion register, except for those bits that have been
locked down with the nVWLDR command. Execute
WREN before initiating the ULBPR instruction.
To execute a ULBPR instruction, the host drives CE#
low, then sends the ULBPR command cycle (98H), and
then drives CE# high.
FIGURE 5-44:
GLOBAL BLOCK-PROTECTION UNLOCK (SQI)
FIGURE 5-45:
GLOBAL BLOCK-PROTECTION UNLOCK (SPI)
20005218 F20.1
MODE 3
0
1
SCK
SIO(3:0)
CE#
C1 C0
MODE 0
Note: C[1:0]=98H
20005218 F68.0
MODE 3
0
1
SCK
SIO0
CE#
MODE 0
234567
98
SIO[3:1]



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