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SST25PF040C датащи(PDF) 8 Page - Microchip Technology

номер детали SST25PF040C
подробное описание детали  4-Mbit, 3.3V, SPI Serial Flash
PDF  47 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SST25PF040C датащи(HTML) 8 Page - Microchip Technology

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SST25PF040C
DS20005397F-page 8
 2015-2022 Microchip Technology Inc. and its subsidiaries
4.2.4
BLOCK PROTECTION LOCK-DOWN
(BPL–BIT 7)
When the WP# pin is driven low (VIL), it enables the
Block Protection Lock-Down (BPL) bit. When BPL is
set to ‘1’, it prevents any further alteration of the BP0,
BP1, BP2, TB, and BPL bits. When the WP# pin is
driven high (VIH), the BPL bit has no effect and its value
is ‘Don’t Care’.
TABLE 4-3:
SOFTWARE STATUS REGISTER BLOCK PROTECTION
Protection Level
STATUS Register Bit
Protected Memory Address
TB
BP2
BP1
BP0
0 (Full Memory Array unprotected)
X
0
0
0
None
T1 (1/8 Top Memory Block protected)
0
0
0
1
070000H-07FFFFH
T2 (1/4 Top Memory Block protected)
0
0
1
0
060000H-07FFFFH
T3 (1/2 Top Memory Block protected)
0
0
1
1
040000H-07FFFFH
B1 (1/8 Bottom Memory Block protected)
1
0
0
1
000000H-00FFFFH
B2 (1/4 Bottom Memory Block protected)
1
0
1
0
000000H-01FFFFH
B3 (1/2 Bottom Memory Block protected)
1
0
1
1
000000H-03FFFFH
4 (Full Memory Block protected)
X
1
X
X
000000H-07FFFFH



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