COIC5130A Datasheet, PDF (17/20 Pages) List of Unclassifed Manufacturers – Programmable Reed-Solomon Error Correction Encoder and Decoder

COic5130A Specifications
17
Co^~Optic
Decoder Control and Status Pins
Pin# Signal
Description
Signal Type
117 DEC_CLOCK Decoder master clock. All inputs and outputs are synchronized by the rising edge of DEC_CLOCK.
119 DEC_CORR
Decoder message block corrected. Assertive HIGH. Indicates that errors have been found and
corrected in message block.
24 DEC_DATARDY Data Ready. Assertive HIGH. This output is held HIGH for data bytes and low check bytes.
80 DEC_DATEN
Decoder data enable. Assertive HIGH. This input is used to signal the difference between data bytes
and check bytes.
Decoder enable data correction. Assertive HIGH. When this input is asserted, the device performs
81 DEC_ENABIN corrections on the message block. When CEN is low, the device does not perform corrections but
continues to report status is initialized to do so.
120 DEC_EOB
Decoder End of Block. 1/0 = End/Not end of block.
123 DEC_LOC
Decoder Error Location. Assertive HIGH. This output goes HIGH if the current symbol outout on
Q7-Q0 has had a correction applied to it.
102 DEC_RESET
Decoder system reset. Assertive LOW. Reset timing is critical to the initialization of the device.
40 DEC_STATEN
Status Enable. Asservie HIGH. If this signal is HIGH during reset then the decoder will be
programmed to output two status bytes with each message block.
65 DEC_UNCORR Decoder uncorrectable block. Assertive HIGH. Indicates message block contains uncorrectable errors.
Input
Output
Output
Input
Input
Output
Output
Input
Input
Output
Pin# Signal
113 ENC_DIN0
103 ENC_DIN1
99 ENC_DIN2
91 ENC_DIN3
63 ENC_DIN4
67 ENC_DIN5
50 ENC_DIN6
54 ENC_DIN7
Encoder Data Input Pins
Description
Encoder data input bit 0.
Encoder data input bit 1.
Encoder data input bit 2.
Encoder data input bit 3.
Encoder data input bit 4.
Encoder data input bit 5.
Encoder data input bit 6.
Encoder data input bit 7.
Signal Type
Input
Input
Input
Input
Input
Input
Input
Input