lrs1830 Sharp Microelectronics of the Americas, lrs1830 Datasheet - Page 20

• Manufacturer Part Number: lrs1830
• Description: Stacked Chip 256m X16 Boot Block Flash And 32m X16 Scram
• Manufacturer: Sharp Microelectronics of the Americas

PCR.15-11 = RESERVED FOR FUTURE
PCR.10-8 = PARTITION CONFIGURATION (PC2-0)
000 = No partitioning. Dual Work is not allowed.
001 = Plane1-3 are merged into one partition.
010 = Plane 0-1 and Plane2-3 are merged into one partition
100 = Plane 0-2 are merged into one partition.
011 = Plane 2-3 are merged into one partition. There are
110 = Plane 0-1 are merged into one partition. There are
101 = Plane 1-2 are merged into one partition. There are
C2 C1 C0
0 0 0
0 0 1
0 1 0
1 0 0
sharp
15
R
R
7
(default in Bank 0 selected by BS=“0”)
respectively.
(default in Bank 1 selected by BS=“1”)
three partitions in this configuration. Dual work oper-
ation is available between any two partitions.
three partitions in this configuration. Dual work oper-
ation is available between any two partitions.
three partitions in this configuration. Dual work oper-
ation is available between any two partitions.
ENHANCEMENTS (R)
ARTITION1
ARTITIONING FOR DUAL WORK
ARTITION1
14
R
R
6
ARTITION1
ARTITION0
ARTITION0
13
R
R
5
Partition Configuration Register Definition
ARTITION0
ARTITION0
Partition Configuration
12
R
R
4
L R S1 8 3 0
PCR.7-0 = RESERVED FOR FUTURE ENHANCEMENTS (R)
Notes:
After power-up or device reset, PCR10-8 (PC2-0) is set to
"001" in Bank 0 and "100" in Bank 1.
See the table below for more details.
PCR.15-11 and PCR.7-0 are reserved for future use and should
be masked out when checking the partition configuration
register.
C2 C1 C0
111 = There are four partitions in this configuration.
0 1 1
1 1 0
1 0 1
1 1 1
11
R
R
3
Each plane corresponds to each partition respectively.
Dual work operation is available between any two
partitions.
ARTITION3
ARTITION2
ARTITION2
ARTITIONING FOR DUAL WORK
ARTITION2
PC2
10
R
2
ARTITION2
ARTITION1
ARTITION1
ARTITION1
PC1
ARTITION1
R
9
1
ARTITION0
ARTITION0
ARTITION0
ARTITION0
PC0
R
8
0
17