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YSS920B-SZ Datasheet

  • YSS920B-SZ

  • Consumer Circuit, CMOS, CQFP100, CERAMIC, LEAD-FREE , SQFP-1...

  • 28頁(yè)

  • YAMAHA

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YSS920B
EVE
32-bit DSP Engine for Various sound Effects
Outline
YSS920B is a 32-bit digital signal processor exclusively designed for sound field processing. As a
post-processing DSP after surround sound decoding, YSS920B can process various sound fields such as
various simulation surround and virtual surround through user programs, which can provide wide
variation of sound field effects on audio equipments.
Features
YSS920B has following features:
鈥?/div>
Basic compatibility with the SubDSP section of YSS922/932 for DSP program
鈥?/div>
High precision processing by 32-bit floating-point operation
鈥?/div>
Capability to process various sound effects by downloading external programs to the built-in RAM
鈥?/div>
16 channels processing capability (input: 16ch, output: 16ch)
鈥?/div>
Zero data detecting function on each channel
鈥?/div>
32-bit data transmission ability between multiple YSS920Bs
鈥?/div>
Connectability to most types of ADC, DAC and DIR through control register setting
鈥?/div>
Built-in delay memory with 32 bits
脳
1024 words (Max. 21.3 ms at fs = 48 kHz)
鈥?/div>
Ability to execute up to 2.73 seconds delay (at fs = 48 kHz) when connected with an external DRAM or
SRAM
鈥?/div>
Support for sampling frequencies from 32 kHz to 192 kHz
鈥?/div>
DSP section specifications
Internal operating frequency: 30.72 to 50.00 MHz
Data bus width: 32 bits
MAC: 32 bits (floating-point)
脳
16 bits (fixed-point) + 49 bits
鈫?/div>
49 bits
Program RAM: 50 bits
脳
1024 words
Coefficient RAM: 16 bits
脳
1024 words
鈥?/div>
Ability to use up to 20 general-purpose input/output terminals
鈥?/div>
Power supply voltage: 2.5 V (for internal and PLL circuits), 3.3 V (for I/O)
鈥?/div>
Si-gate CMOS process
鈥?/div>
Lead-free 100-pin SQFP package:YSS920B-SZ
YSS920B CATALOG
CATALOG No.: LSI-4SS920B20
2006.2

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