lrs1382 Sharp Microelectronics of the Americas, lrs1382 Datasheet - Page 88
![no-image](/images/no-image-200.jpg)
lrs1382
Manufacturer Part Number
lrs1382
Description
Flash Memory
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LRS1382.pdf
(114 pages)
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Other than [110]
NOTES:
1. "Set Lock" means Set Block Lock Bit command, "Clear Lock" means Clear Block Lock Bit
2. When the Set Block Lock-Down Bit command is written to the unlocked block (DQ
3. "No Change" means that the state remains unchanged after the command written.
4. In this state transitions table, assumes that WP# is not changed and fixed V
Previous State
NOTES:
1. "WP#=0 1" means that WP# is driven to V
2. State transition from the current state [011] to the next state depends on the previous state.
3. When WP# is driven to V
4. In this state transitions table, assumes that lock configuration commands are not written in
[000]
[001]
[100]
[101]
[011]
[110]
[111]
State
command and "Set Lock-down" means Set Block Lock-Down Bit command.
corresponding block is locked-down and automatically locked at the same time.
V
automatically locked.
previous, current and next state.
[110]
IL
-
-
-
-
-
-
(2)
Appendix to Spec No.: MFM2-J13222
Current State
WP#
0
0
0
1
1
1
1
(2)
Table 13. Block Locking State Transitions upon WP# Transition
Table 12. Block Locking State Transitions upon Command Write
DQ
1
0
0
1
0
0
1
[000]
[001]
[011]
[100]
[101]
[110]
[111]
State
1
DQ
0
1
1
0
1
0
1
0
Current State
IL
WP#
0
0
0
1
1
1
1
in [110] state, the state changes to [011] and the blocks are
No Change
Set Lock
No Change
No Change
No Change
FUM00701
[001]
[101]
Result after Lock Command Written (Next State)
[111]
DQ
0
0
1
0
0
1
1
1
(1)
(3)
IH
DQ
Model No.: LRS1382
0
1
1
0
1
0
1
and "WP#=1 0" means that WP# is driven to
0
Result after WP# Transition (Next State)
Clear Lock
WP#=0 1
No Change
No Change
No Change
No Change
[000]
[100]
[110]
[100]
[101]
[110]
[111]
-
-
-
-
(1)
(1)
March 1, 2001
IL
Set Lock-down
(4)
or V
(4)
WP#=1 0
No Change
No Change
[011]
[111]
[111]
IH
[011]
[000]
[001]
[011]
[011]
[111]
.
-
-
-
-
(2)
(2)
(2)
0
(3)
=0), the
(1)
(1)
Rev. 2.20
42
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