参数资料
型号: S5L9286F02
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
元件分类: 数字信号处理
英文描述: DIGITAL SIGNAL PROCESSOR
中文描述: 数字信号处理器
文件页数: 19/35页
文件大小: 598K
代理商: S5L9286F02
DIGITAL SIGNAL PROCESSOR FOR DISCMAN
S5L986F02
19
ERROR CORRECTING CODE (ECC)
When disc data is damaged, it is corrected using the ECC (Error Correcting Code) block. It uses the CIRC (Cross
Interleaved Reed-Solomon Code), correcting up to 2 errors when C1 (32, 28), and up to 4 erasures when C2 (28,
24). Error correction handles the data in units of 8-bit 1 symbol.
The ECC block has Pointer handling function, and can generate a C1 pointer in C1 correction, and a C2 pointer in
the C2 correction. The C1 and C2 pointers output a flag about the ECC-handled data to mark it as error data. This
Flag information signal is input into the interpolator, and used for handling the error data. Also, the Error correcting
results can be monitored using the FLAG1, FLAG2, FLAG3, FLAG4, FLAG5 pins
MODE
FLAG5
FLAG4
FLAG3
FLAG2
FLAG1
REMARK
C1 No error
0
0
0
0
0
C1 correction start
C1 1 error
0
0
0
0
1
-
C1 2 error
0
0
0
1
0
-
C1 Irretrirvable error
0
1
1
1
1
C1 pointer set
C2 No error
1
0
0
0
0
C2 correction start
C2 1 error
1
0
0
0
1
-
C2 2 error
1
0
0
1
0
-
C2 3 error
1
0
0
1
1
-
C2 4 error
1
0
1
0
0
-
C2 Irretrievable error 1
1
1
1
1
0
C1 pointer copy
C2 Irretrievable error 2
1
1
1
1
1
C2 pointer set
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