lrs1830 Sharp Microelectronics of the Americas, lrs1830 Datasheet - Page 15

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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

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6.2.2 Identifier Codes for Read Operation
Notes:
Manufacturer Code
Device Code
Block Lock Configuration Code
Device Configuration Code
1. Block Address = The beginning location of a block address within the partition to which the Read Identifier Codes
2. PCRC = Partition Configuration Register Code.
3. The address A
PCR.10
command (90H) has been written.
DQ
The address to read the identifier codes is dependent on the partition which is selected when writing the Read Identifier
Codes command (90H).
See Partition Configuration Register Definition (P.18) for the partition configuration register.
sharp
0
0
0
1
0
1
1
1
15
Partition Configuration Register
-DQ
2
is reserved for future implementation.
Identifier Codes for Read Operation on Partition Configuration (128M (x16)-bit device)
21
-A
PCR.9
16
0
0
1
0
1
1
0
1
are shown in below table for reading the manufacturer, device, device configuration code.
Manufacturer Code
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
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
Code
L R S1 8 3 0
[A
BS=“0”
21
-A
Address (128M (x16)-bit device)
16
]
[A
Address
Address
0000H
0001H
0006H
Block
15
+ 2
-A
0
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
]
[DQ
DQ
DQ
DQ
DQ
00B0H
[A
0008H
PCRC
BS=“1”
Data
15
21
0
0
1
1
-DQ
= 0
= 1
= 0
= 1
-A
16
0
]
]
Notes
2, 3
3
3
1
1
1
1
12

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