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S3C2440X Datasheet(PDF) 68 Page - Samsung semiconductor

Part # S3C2440X
Description  16/32-bit RISC microprocessor
Download  429 Pages
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

S3C2440X Datasheet(HTML) 68 Page - Samsung semiconductor

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2003.09.25
Preliminary product information describes products that are in development,
for which full characterization data and associated errata are not yet available
Specifications and information herein are subject to change without notice.
S3C2440X RISC MICROPROCESSOR
NAND FLASH CONTROLLER
6-7
ECC(Error Correction Code)
NAND Flash controller has four ECC (Error Correction Code) modules. The two ECC modules (one for data[7:0]
and the other for data[15:8]) can be used for (up to) 2048 bytes ECC Parity code generation, and the others(one
for data[7:0] and the other for data[15:8]) can be used for (up to) 16 bytes ECC Parity code generation.
28bit ECC Parity Code = 22bit Line parity + 6bit Column Parity
14bit ECC Parity Code = 8bit Line parity + 6bit Column Parity
2048 BYTE ECC PARITY CODE ASSIGNMENT TABLE
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
MECCn_0
P64
P64’
P32
P32’
P16
P16’
P8
P8’
MECCn_1
P1024
P1024’
P512
P512’
P256
P256’
P128
P128’
MECCn_2
P4
P4’
P2
P2’
P1
P1’
P2048
P2048’
MECCn_3
P8192
P8192’
P4096
P4096’
-
-
-
-
16 BYTE ECC PARITY CODE ASSIGNMENT TABLE
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
SECCn_0
P16
P16’
P8
P8’
P4
P4’
P2
P2’
SECCn_1
P1
P1’
P64
P64’
P32
P32’
-
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