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SST26VF032B-104I/SM Datasheet(PDF) 37 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) 37 Page - Microchip Technology

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 2013-2022 Microchip Technology Inc. and its subsidiaries
DS20005218K-page 37
SST26VF032B/SST26VF032BA
5.35
Lock-Down Block Protection
Register (LBPR)
The Lock-Down Block Protection Register instruction
prevents changes to the Block Protection register
during device operation. Lock-Down resets after power
cycling; this allows the Block Protection register to be
changed. Execute WREN before initiating the Lock-
Down Block Protection Register instruction.
To execute a Lock-Down Block Protection Register, the
host drives CE# low, then sends the Lock-Down Block
Protection Register command cycle (8DH), then drives
CE# high.
FIGURE 5-40:
LOCK-DOWN BLOCK PROTECTION REGISTER (SQI)
FIGURE 5-41:
LOCK-DOWN BLOCK PROTECTION REGISTER (SPI)
Note:
C[1:0]=8DH
MODE 3
0
1
SCK
SIO[3:0]
CE#
C1 C0
MODE 0
MODE 3
0
1
SCK
SIO0
CE#
MODE 0
234567
8D
SIO[3:1]



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