lrs1805a Sharp Microelectronics of the Americas, lrs1805a Datasheet - Page 12

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lrs1805a

Manufacturer Part Number
lrs1805a
Description
Stacked Chip Flash Memory Smartcombo
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
sharp
5.2 Identifier Codes for Read Operation
Notes:
Manufacturer Code
Device Code
Block Lock Configuration Code
Device Configuration Code
1. Top parameter device has its parameter blocks in the plane 3 (The highest address).
2. DQ
3. PCRC=Partition Configuration Register Code.
4. The address A
configuration code.
The address to read the identifier codes is dependent on the partition which is selected when writing the Read Identifier
Codes command (90H).
See Chapter 6. Partition Configuration Register Definition (P.15) for the partition configuration register.
PCR.10
15
0
0
0
1
0
1
1
1
-DQ
Partition Configuration Register
2
is reserved for future implementation.
21
Identifier Codes for Read Operation on Partition Configuration (64M-bit device)
-A
16
PCR.9
are shown in below table for reading the manufacturer, device, lock configuration, device
0
0
1
0
1
1
0
1
Manufacturer Code
64M Top Parameter Device Code
Block is Unlocked
Block is Locked
Block is not Locked-Down
Block is Locked-Down
Partition Configuration Register
PCR.8
0
1
0
0
1
0
1
1
Code
L R S 1 8 0 5 A
00H
00H or 10H
00H or 20H
00H or 30H
00H or 10H or 20H
00H or 20H or 30H
00H or 10H or 30H
00H or 10H or 20H or 30H
Address (64M-bit device)
[A
Address
Address
0000H
0001H
0006H
15
Block
+ 2
-A
[A
0
]
21
(4)
-A
16
]
[DQ
DQ
DQ
DQ
DQ
00B0H
00B0H
PCRC
Data
15
0
0
1
1
-DQ
= 0
= 1
= 0
= 1
0
]
Notes
1
2
2
2
2
3
10

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