YSS944 Datasheet, PDF (3/34 Pages) YAMAHA CORPORATION – ADAMB Advanced Digital Audio Multi channel decode processor

YSS944/943/940
„ Block Diagram
Block Name
ClkGen
MicomIF
SDI
SDO
Detector
EMC
Processor
Function
This is the internal operating clock generation block.
This block provides the PLL and supplies the clock to each block.
This is an interface block to connect to a microprocessor.
This block controls access to the registers/memory in this LSI.
This is the audio interface block for DIR, ADC, etc.
This block controls the input data format/delay, etc.
This is the audio interface block for DIT, DAC, etc.
This block controls the output data format/delay, etc.
This is the stream detection block.
This block detects the input data encoding format.
This is an interface block to read from and write to external memory.
This block implements delay functions using external memory.
This is an operation processing block.
This decoder includes a 32-bit floating-point DSP and memory (ROM or RAM).
Various functions can be implemented.
Function modification/expansion by downloading firmware is also supported.
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