ICETEK_VC5509_C的硬件原理图，泰瑞公司开发的针对TI C5509A DSP的评估版。包含xilinx FPGA 及语音解码芯片TLV320AIC23等的连接，可借鉴性强 ,ICETEK_VC5509_C hardware schematics, Terry developed for the TI C5509A DSP evaluation version. Contains xilinx FPGA and voice decoder chip TLV320AIC23 conne

使用FPGA/CPLD设置语音AD、DA转换芯片AIC23，FPGA/CPLD系统时钟为24.576MHz 1、AIC系统时钟为12.288MHz，SPI时钟为6.144MHz 2、AIC处于主控模式 3、input bit length 16bit output bit length 16bit MSB first 4、帧同步在96KHz-The use of FPGA/CPLD set voice AD, DA conversion chip AIC23, FPGA/

FPGA控制AIC23实现音频信号处理。AIC23是TI公司的高性能立体声处理芯片。-FPGA realization of the control AIC23 audio signal processing. AIC23 is a stereo TI' s high-performance processing chip.

AIC23的IP核，提供ＮＩＯＳ　ＣＰＵ与FPGA 的通信方式-AIC23' s IP core, providing NIOS CPU means of communication with the FPGA