lrs1805a Sharp Microelectronics of the Americas, lrs1805a Datasheet - Page 14
lrs1805a
Manufacturer Part Number
lrs1805a
Description
Stacked Chip Flash Memory Smartcombo
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LRS1805A.pdf
(57 pages)
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5.5 Block Locking State Transitions upon F-WP Transition
Notes:
2. State transition from the current state [011] to the next state depends on the previous state.
3. When F-WP is driven to V
Other than [110]
1. “F-WP = 0 1” means that F-WP is driven to V
4. In this state transitions table, assumes that lock configuration commands are not written in previous, current and next state.
Previous State
[110]
-
-
-
-
-
-
(2)
(2)
[000]
[001]
[011]
[100]
[101]
[110]
[111]
State
IL
in [110] state, the state changes to [011] and the blocks are automatically locked.
F-WP
Current State
0
0
0
1
1
1
1
DQ
0
0
1
0
0
1
1
IH
1
L R S 1 8 0 5 A
and “F-WP = 1 0” means that F-WP is driven to V
(4)
DQ
0
1
1
0
1
0
1
0
F-WP = 0 1
Result after F-WP Transition (Next State)
[100]
[101]
[110]
[111]
-
-
-
-
(1)
F-WP = 1 0
IL
.
[000]
[001]
[011]
[011]
-
-
-
-
(3)
(1)
12
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