E28F640J3C-150 Datasheet

  • E28F640J3C-150

  • Intel StrataFlash Memory (J3)

  • 909.85KB

  • 72页

  • INTEL   INTEL

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256-Mbit J3 (x8/x16)
Table 21. Byte-Wide Protection Register Addressing (Sheet 2 of 2)
6
7
8
9
A
B
C
D
E
F
Factory
Factory
User
User
User
User
User
User
User
User
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
NOTE:
All address lines not specified in the above table must be 0 when accessing the Protection Register,
i.e.g., A[MAX:9] = 0.
13.4
Array Protection
The V
PEN
signal is a hardware mechanism to prohibit array alteration. When the V
PEN
voltage is
below the V
PENLK
voltage, array contents cannot be altered. To ensure a proper erase or program
operation, V
PEN
must be set to a valid voltage level. To determine the status of an erase or program
operation, poll the Status Register and analyze the bits.
Datasheet
49

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