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| 型号： | YSS932 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP128 |
| 封装： | SQFP-128 |
| 文件页数： | 1/24页 |
| 文件大小： | 335K |
| 代理商： | YSS932 |
YAMAHA CORPORATION
YSS932 CATALOG
CATALOG No.: LSI-4SS932A0
2001.5
YSS932
AC3D3B
96kHz DIR + Dolby Digital / Pro Logic II / DTS decoder + Sub DSP
OUTLINE
YSS932 is one chip LSI consisting of three built-in blocks : SPDIF receiver (DIR), Dolby Digital (AC-3) /
Pro Logic II & DTS decoder (Main DSP) and programmable sound processing DSP (Sub DSP).
The Sub DSP is capable of realizing various sound fields, such as virtual surround by down-loading the
program and coefficient from outside.
FEATURES
[ DIR Block ]
Sampling frequency: Two ranges are available including;
32k to 48kHz (normal rate) and 64k to 96kHz (double rate).
Provides master clock, 256fs, to DAC, ADC and the other peripheral devices. The clock output can be
controlled with various modes determined by register settings.
Has a pin that indicates the double rate operation.
Every channel status and user data can be read through the microprocessor interface.
Has an output pin for interrupt that is activated by changing of the status information.
Internal operation frequency: 25MHz
[ Main DSP Block ]
Dolby Digital (AC-3) / Pro Logic II and DTS decode.
High quality internal 24 bit DSP.
No external memory is required. (Memory for the center and surround channel signal delay is included.)
AC-3 Karaoke mode.
Supports compression mode at AC-3 / DTS decoding.
Included de-emphasis filter for the PCM signal.
Pro Logic II decoding for Dolby Digital 2 channels decoded signal as well as ordinary PCM signal.
Reads Dolby Digital / DTS decode information through the microprocessor interface.
Internal operation frequency: 30MHz
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