Datasheet > YSS950

YSS950

更新时间： 2024-01-24 12:12:03

品牌	Logo	应用领域
雅马哈 - YAMAHA		/
页数	文件大小	规格书
30页	774K
描述
DAP1 Digital Audio Processor

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YSS950 数据手册

YSS950

DAP1

Digital Audio Processor

■ Outline

The YSS950 (DAP1) is a DSP (Digital Signal Processor) for sound field processing, which features a

high-speed/ high-precision 32-bit floating point DSP.

■ Features

{ 32-bit floating point DSP achieves high-speed/high-precision operations

• Operation frequency: Approximately 166 MHz

• Data bus width: 32 bits (24-bit mantissa, 8-bit exponent)

• Multiplier/adder: 32 bits × 32 bits + 55 bits → 55 bits (47-bit mantissa, 8-bit exponent)

{ 48 KB (12 Kword) preset command code firmware area

{ 24 KB (6 Kword) download command code firmware area (maximum)

{ 104 KB (26 Kword) data RAM area (maximum)

{ High-speed command code/coefficient data firmware download (burst transfer)

{ Download coefficients data firmware without any interruption of sound (runtime transfer)

{ Firmware’s placement order can be changed

{ Firmware’s number of execution channels can be changed (up to 16 channels)

{ Multiple firmware calls are enabled

{ Audio I/O

• 32 bits × 16 channels, TDM

• Fixed point decimal format and floating point decimal format (IEEE Standard 754, two’s complement)

• Sampling frequency range is 32 to 192 kHz

• Audio clock division/switch

• Input/output muting

• Input/output channel switching

{ External memory not required

{ General I/O ports (4)

{ On-chip PLL

{ Power supply voltage: 1.2 V (core), 3.3 V (pin)

{ Low power consumption: Approximately 130mW (typical value)

{ Si-gate CMOS process

{ Lead-free 64-pin SQFP package (YSS950-SZ)

■ Applications

{ Home theater systems

{ Car audio

YSS950 CATALOG

CATALOG No.: LSI-4SS950A22

2006.10

12 3 4 5 6 7...30

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