參數(shù)資料
型號(hào)： YSS951-VZ
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： LEAD FREE, LQFP-48
文件頁(yè)數(shù)： 1/34頁(yè)
文件大小： 1355K
代理商： YSS951-VZ
YSS951
SPR-1
Sound Producer - 1
YSS951 Catalog
CATALOG No.: LSI-4SS951A21
2009.02
■ Outline
The YSS951 (SPR-1) is a sound processing LSI with built-in two DSP and one FM Synthesizer cores.
This device designed for a sound processing system of TV, Karaoke, Digital Component, and so on.
■ Features
● Two DSPs (MDSP, SDSP) and one FM Synthesizer are on a chip.
● Sound Processing DSP (MDSP)
·
Operating Frequency
49.152 MHz
·
Data Bus Width
32 bits floating point (28 bits mantissa, 4 bits exponent)
·
Program RAM (MPRAM)
40 bits × 1K words
·
Coefficient RAM (CRAM)
16 bits × 1K words
·
Work RAM
WRAM0, WRAM1
32 bits × 1K words
WRAM2 (for delay)
16 bits × 14K words or 32 bits × 7K words
(298 ms at Fs=48 kHz, 16 bits)
·
Multiply accumulate unit:
32bits (floating point) × 16 bits (fixed point) + 49 bits → 49 bits
● Sub DSP (SDSP)
·
Operating Frequency
49.152 MHz
·
Data Bus Width
24 bits (fixed point)
·
High-performance asynchronous sampling rate converter
(ASRC: 2 channels, supports input frequency 8 to 192 kHz)
·
10-band Parametric Equalizer (2 channels)
● FM Synthesizer
·
Yamaha original FM synthesizer functions are mounted
·
Internal sequencer
·
Up to 4 Simultaneous sound generation (four independent timbres)
● Built-in ROM(Preset ROM)
8 bits × 64K words
·
Various signal processing programs for MDSP and coefficients of created sound are included
·
Music, power-on sound and response sound for FM synthesizer are included
● A signal processing program of MDSP is possible to change by downloading from micro-processor
● Audio I/O
·
Digital Input
up to 6 channels
·
Digital Output
up to 4 channels
● Supply Voltage: 3.0V to 3.6V (DVDD3), 1.65V to 1.95V (DVDD18)
● Internal PLL
● Lead-free 48-pin LQFP package (YSS951-VZ)
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