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COIC5130A Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part No. COIC5130A
Description  Programmable Reed-Solomon Error Correction Encoder and Decoder
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COIC5130A Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

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COic5130A Specifications
Co Optic
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6
Encoder Output Timing
Clock
Tckr
Tckw
Tckf
Tck
Tisu
Tih
Tsd
Tckw
Input
Output
Decoder Output Timing
Clock
Tckr
Tckw
Tckf
Tck
Tisu
Tih
Tsd
Tckw
Input
Output
Encoder Initialization
Before operation the encoder must be initialized to define the number of parity symbols (r).
To initialize the binary value of r/2, (0 to 10) is placed in T0 – T3 (T0 is least significant ) while RESET and ENIN are held low for four sym-
bol clock periods. RESET is then brought high for two symbol clock periods. The inputs on T0 – T3 can then be released and the encoder
can start normal operation. Any TX pin that is not used must be held low or connected to ground.
Decoder Initialization
Certain architectural and mathematical properties of this device are not hard wired and must be set up during the initialization control
sequence. These properties include:
1.
The overall message block length (N)
2.
The number of data bytes (K)
3.
The total number of check bytes (R)
4.
The number of check bytes allocated for correction only (P)
5.
Whether the first check byte output positions are used for status bytes or check bytes (STATEN)
6.
Whether to use AMPEX compatible, non-compatible, or short timing (SHORT1, SHORT2)


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