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SST26VF032B-104I/SM 数据表(PDF) 39 Page - Microchip Technology

部件名 SST26VF032B-104I/SM
功能描述  2.5V/3.0V 32-Mbit Serial Quad I/O™ (SQI™) Flash Memory
PDF  82 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

SST26VF032B-104I/SM 数据表(HTML) 39 Page - Microchip Technology

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 2013-2022 Microchip Technology Inc. and its subsidiaries
DS20005218K-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)
Note:
C[1:0]=98H
MODE 3
0
1
SCK
SIO[3:0]
CE#
C1 C0
MODE 0
MODE 3
0
1
SCK
SIO0
CE#
MODE 0
234567
98
SIO[3:1]



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