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| TMS320VC54xx系列与AC97编解码器AD1885的接口设计 | |
| 引用本文： | 刘丽伟,赵孔新,丁铁夫. TMS320VC54xx系列与AC97编解码器AD1885的接口设计[J]. 电子器件, 2007, 30(3): 1084-1087 |
| 作者姓名： | 刘丽伟 赵孔新 丁铁夫 |
| 作者单位： | 1. 中国科学院长春光学精密机械与物理研究所,长春,130033;中国科学院研究生院,北京,100039;长春工业大学计算机科学与工程学院,长春,130012 2. 长春工业大学计算机科学与工程学院,长春,130012 3. 中国科学院长春光学精密机械与物理研究所,长春,130033 |
| 摘 要： | AC97是Intel公司提出的关于音频编解码器的标准.文中简要介绍了AC97接口规范和符合AC97 2.1标准的编解码芯片AD1885;分析了TI公司的C54xx系列片上外设McBSP的特点;设计了三种C54xx DSP控制AC97编解码器的接口方案,并详细分析了其中一种方法的软硬件配置.该设计实现了AC97标准在DSP系统中的应用,可以为嵌入式系统提供更好的音效. |
| 关 键 词： | AC97 C54xxDSP 接口 AD1885 |
| 文章编号： | 1005-9490（2007）03-1084-04 |
| 修稿时间： | 2006-06-18 |
Interface Design of TMS320VC54xx and AC97 Codec AD1885 |
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| LIU Li-wei,ZHAO Kong-xin,DING Tie-fu. Interface Design of TMS320VC54xx and AC97 Codec AD1885[J]. Journal of Electron Devices, 2007, 30(3): 1084-1087 | |
| Authors: | LIU Li-wei ZHAO Kong-xin DING Tie-fu |
| Affiliation: | 1. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China ;2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China; 3. College of Computer Science and Engineering, Changchun University of Technology, Changchun 130012, China |
| Abstract: | AC97(Audio Codec'97) is a standard of Audio Codec brought forward by Intel Corporation.This paper describes briefly an interface standard of AC97 and AD1885 Codec which accords with the AC97 2.1 standard,analyzes the characteristic of McBSP about the on-chip peripherals of the C54xx DSP produced by TI Corporation,and designs three approaches of interface design about C54xx DSP controlling AC97 Codec AD1885.Finally,this paper detailed analyzes one approach about interface configuration of software and hardware.The design implements the application of AC97 in the system of DSP,which can provide high quality of sound in the embedded system. |
| Keywords: | AC97 C54xx DSP 接口 AD1885 |
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