SAA7392 Channel Encoder/decoder CDR60

CDR60 is a channel encoder/decoder for CD/CD-R/CD-RW/CD Audio Recorder systems. It incorporates all Logic and RAM required for the complete encoding and decoding processes. There are two main datapaths through the CDR60 device. The decode datapath captures the incoming EFM data stream via the HF ADC and AGC functions. The bit detector recovers the individual bits from the incoming signal, correcting asymmetry, performing noise filtering and equalisation, and recovering the channel bit Clock using a digital PLL The Demodulator converts the EFM bits to byte-wide data symbols, before passing them onto the decoder for subcode extraction, de-interleaving and error correction. The decoded data is then made available via the multi-function serial output Interface The encode datapath takes data symbols from the block encoder/decoder via the serial data and subcode input functions, encoding them via the encoder block. The encoded data stream is passed to the EFM Modulator which generates the required EFM signal, output as a digital bit stream. The encode process is controlled via the Wobble processor, encode control and EFM Clock generator functions. As well as these two data processing sections, three further blocks support overall device operation. The system Clock Generator provides all digital Clocks required by the CDR60. The motor servo allows the CDR60 to control the spindle motor and is controlled by the Microprocessor Interface This Interface CAN be accessed either via a parallel (80C51) or a serial (IC-bus) Interface
By NXP Semiconductors
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SAA7392 Pinout, Pinouts
SAA7392 pinout,Pin out
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