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IS25LEG-RGLA2:P-TR 数据表(PDF) 166 Page - Integrated Silicon Solution, Inc

部件名 IS25LEG-RGLA2:P-TR
功能描述  SERIAL FLASH MEMORY 166/133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE WITH ON-CHIP ECC
PDF  193 Pages
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制造商  ISSI [Integrated Silicon Solution, Inc]
网页  http://www.issi.com
标志 ISSI - Integrated Silicon Solution, Inc

IS25LEG-RGLA2:P-TR 数据表(HTML) 166 Page - Integrated Silicon Solution, Inc

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IS25LE01GG
IS25WE01GG
Integrated Silicon Solution, Inc.- www.issi.com
166
Rev. A3
10/02/2025
8.64 READ PASSWORD OPERATION (RDPWD, E7h)
The correct password value may be read only after it is programmed and before the Password Mode has been
selected by programming the Password Protection Mode bit to “0” in the ASP Register (ASP[2]). After the Password
Protection Mode is selected the RDPWD command is ignored.
The RDPWD command is shifted in. Then the 64-bit Password is shifted out, least significant byte first, most
significant bit of each byte first. Each bit is shifted out at the SCK frequency by the falling edge of the SCK signal.
It is possible to read the Password continuously by providing multiples of 64bits.
Figure 8.143 Read password Sequence In SPI Mode
Instruction = E7h
CE #
SCK
SI
SO
0
1
...
7
8
9
...
15
16
17
...
23
...
64
65
...
Mode 3
Mode 0
tV
7
15
14
8
6
...
0
63
62
56
...
...
...
71
1st byte Data Out
2nd byte Data Out
...
8th byte Data Out
Figure 8.144 Read Password Sequence In QPI Mode
E7h
CE#
SCK
IO[3:0]
0
1
Mode 3
Mode 0
2
3
4
5
tV
...
16
17
1st byte
Data In
2nd byte
Data In
...
8th byte
Data In



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