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參數(shù)資料
| 型號： | YSS950-SZ |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 0-BIT, 12.5 MHz, OTHER DSP, CQFP64 |
| 封裝： | CERAMIC, SQFP-64 |
| 文件頁數(shù)： | 1/30頁 |
| 文件大?。?/td> | 774K |
| 代理商： | YSS950-SZ |
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YSS950
DAP1
Digital Audio Processor
YSS950 CATALOG
CATALOG No.: LSI-4SS950A22
2006.10
■ 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
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