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參數(shù)資料
| 型號(hào)： | TMS320AV110 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | MPEG Audio Decoder(MPEG音頻譯碼器) |
| 中文描述： | MPEG音頻解碼器（的MPEG音頻譯碼器） |
| 文件頁數(shù)： | 7/38頁 |
| 文件大小： | 796K |
| 代理商： | TMS320AV110 |
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TMS320AV110
MPEG AUDIO DECODER
SCSS013C – MAY 1993 – REVISED AUGUST 1995
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
architecture
The TMS320AV110 architecture is shown in Figure 1. The ’AV110 is a combination of a hardwired, dedicated
high-speed arithmetic unit and a microcoded input processor. Functionally, it may be divided into the following
major blocks:
–
–
–
–
–
Host bus interface
Input processor
DRAM buffer interface
Arithmetic unit
PCM output interface
This document covers only the host bus interface and the PCM output interface because they are the only blocks
the user will interface to. The input processor, DRAM interface, and the arithmetic unit may be considered a
black box that is preconfigured to implement the MPEG audio algorithm.
The primary architectural consideration is application flexibility. Although the MPEG audio standard was
developed in conjunction with the video compression standard, it is also suited for many nonvideo applications.
The TMS320AV110 can be used in two primary modes. In audio-only systems, the ’AV110 functions as a
single-chip decoder with no support circuitry except a 24-MHz crystal or an external clock input. If the application
also includes video decoding, an external 256K
×
4 DRAM may be used to delay the audio stream for
synchronization purposes. The ’AV110 accepts the full MPEG system data stream and decodes the
presentation time stamp (PTS) and the system reference clock (SRC) to aid in system synchronization.
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| TMS320AV410 | Digital NTSC/PAL Encoder(數(shù)字NTSC/PAL編碼器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMS320AV120 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Audio Decoder & Support |
| TMS320AV120FN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Audio Decoder & Support |
| TMS320AV220PCM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Audio/Video Decoder for MPEG |
| TMS320AV410 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Color Encoder Circuit |
| TMS320AV410PJM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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