YSS952中文資料Yamaha數(shù)據(jù)手冊PDF規(guī)格書

1.1 Features

○ Two dedicated DSP (MDSP2, SDSP) and FM synthesizer in a single package.

○ Voice application DSP (MDSP2: floating point, 73.728 MHz)

? Instructions RAM (MPRAM) 1.5k by 40 bits

? Coefficients RAM (CRAM) 1k by 16 bits

? Work RAM (WRAM0, WRAM1) 1k by 32 bits

? Delay line RAM (WRAM) 14k by 20 bits or 7k by 32 bits

(up to 298 ms with fs = 48 kHz, 'by 20 bits' configuration)

○ Auxiliary DSP (SDSP: fixed point)

? High quality asynchronous sampling rate converter (SRC: 2 channel, 8 to 192 kHz input range)

? 10 band parametric equalizer (2 channel)

○ FM Synthesizer

? Integrated the Yamaha FM Synthesizer

? Integrated melody sequencer

? Up to four voices (with four different tones)

○ On chip ROM (Preset ROM) 65k by 8 bits

? Preset signal processing programs for MDSP2 [Note 1]

? Preset FM synthesizer data for startup sounds and keypad/alert tones

○ MDSP2 runs the signal processing programs download from host controller.

? Changing coefficients data for the programs possible with downloading.

○ Audio interfaces

? Digital inputs up to 6 channels (2 channels through SRC)

? Digital outputs up to 4 channels plus 2 channel amplifier outputs

○ Operating Supply Range: 3.0V to 3.6V (IOVDD), 1.65V to 1.95V (DVDD18, PLLVDD)

○ On chip PLL

○ Package information

? Lead-free 32-pin QFN [with bottom heat pad] (YSS952-QZ)

1.2 Applications

○ Flat panel TVs

○ Karaoke sets

○ Home audio systems

○ Portable media equipments