lrs1830 Sharp Microelectronics of the Americas, lrs1830 Datasheet - Page 17
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lrs1830
Manufacturer Part Number
lrs1830
Description
Stacked Chip 256m X16 Boot Block Flash And 32m X16 Scram
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LRS1830.pdf
(82 pages)
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6.2.5 Block Locking State Transitions upon WP/A
Notes:
1. “WP/A
2. State transition from the current state [011] to the next state depends on the previous state.
3. When WP/A
4. In this state transitions table, assumes that lock configuration commands are not written in previous, current and next state.
Other than [110]
Previous State
sharp
[110]
-
-
-
-
-
-
CC
(2)
= 0 1” means that WP/A
CC
(2)
is driven to V
[000]
[001]
[100]
[101]
[011]
[110]
[111]
State
IL
in [110] state, the state changes to [011] and the blocks are automatically locked.
WP/A
CC
0
0
0
1
1
1
1
Current State
CC
is driven to V
CC
Transition
DQ
0
0
1
0
0
1
1
L R S1 8 3 0
1
IH
and “WP/A
(4)
DQ
0
1
1
0
1
0
1
0
CC
= 1 0” means that WP/A
WP/A
Result after WP/A
CC
[100]
[101]
[110]
[111]
-
-
-
-
= 0 1
(1)
CC
Transition (Next State)
CC
WP/A
is driven to V
CC
[011]
[000]
[001]
[011]
-
-
-
-
= 1 0
(3)
IL
(1)
.
14
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