【摘要】 介绍了音频编解码器TLV320AIC23芯片的功能,相关寄存器的设置和采样率的选取,通过分析提出了用CPLD代替DSP,进行TLV320AIC23与CPLD的接口设计,实现数字语音设备学生机终端的A/D及D/A转换。更多还原

【Abstract】 The function, settings of interrelated registers and selections of audio sampling rates in Chip TLV320AIC23, which is the audio encoder and decoder are introduced. The interface design of TLV320AIC23 and CPLD(Complex Programmable Logic Device), which replaces DSP, is presented. The A/D and D/A conversion of the digital voice system device are realized.更多还原