YSS940 datasheet(3/34 Pages) YAMAHA

3 / 34 page

YSS944/943/940

Block Diagram

Block Name

Function

ClkGen

This is the internal operating clock generation block.

This block provides the PLL and supplies the clock to each block.

MicomIF

This is an interface block to connect to a microprocessor.

This block controls access to the registers/memory in this LSI.

SDI

This is the audio interface block for DIR, ADC, etc.

This block controls the input data format/delay, etc.

SDO

This is the audio interface block for DIT, DAC, etc.

This block controls the output data format/delay, etc.

Detector

This is the stream detection block.

This block detects the input data encoding format.

EMC

This is an interface block to read from and write to external memory.

This block implements delay functions using external memory.

Processor

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.

YSS940 Datasheet(PDF) 3 Page - YAMAHA CORPORATION