LRS1392A Sharp Electronics, LRS1392A Datasheet - Page 14

• Manufacturer Part Number: LRS1392A
• Manufacturer: Sharp Electronics

Specifications of LRS1392A

• Lead Free Status / RoHS Status: Supplier Unconfirmed

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5.3 OTP Block Address Map
5.4 Functions of Block Lock
Notes:
1. OTP (One Time Program) block has the lock function which is different from those described above.
2. DQ
3. Erase and program are general terms, respectively, to express: block erase, full chip erase and (page buffer) program
4. At power-up or device reset, all blocks default to locked state and are not locked-down, that is, [001] (F-WP = 0) or [101]
5. When F-WP is driven to V
[000]
[001]
[011]
[100]
[101]
[110]
[111]
State
DQ
operations.
(F-WP = 1), regardless of the states before power-off or reset operation.
(4)
(4)
(5)
0
1
= 1: a block is locked; DQ
= 1: a block is locked-down; DQ
F-WP
0
0
0
1
1
1
1
(1)
Customer Programmable Area Lock Bit (DQ
DQ
and Block Lock-Down
IL
0
0
1
0
0
1
1
Factory Programmed Area Lock Bit (DQ
in [110] state, the state changes to [011] and the blocks are automatically locked.
1
(2)
0
000088H
000085H
000084H
000081H
000080H
[A
= 0: a block is unlocked.
Current State
21
OTP Block Address Map for OTP Program
(The area outside 80H - 88H cannot be used.)
-A
1
0
= 0: a block is not locked-down.
]
DQ
Reserved for Future Implementation
0
1
1
0
1
0
1
0
(2)
Customer Programmable Area
Factory Programmed Area
L R S 1 3 9 2 A
(DQ
Unlocked
Locked
Locked-down
Unlocked
Locked
Lock-down Disable
Lock-down Disable
15
-DQ
2)
State Name
0
1
)
)
Erase/Program Allowed
Yes
Yes
Yes
No
No
No
No
(3)
11