基于SPI串行总线的语音接口电路的软硬件设计  

Software and Hardware Design of Voice Interface Circuit Based on SPI Serial Bus

作　　者：郭小波[1] 刘永平[1] 

机构地区：[1]郑州经济管理干部学院,河南郑州451191

出　　处：《黄河水利职业技术学院学报》2007年第2期48-51,共4页Journal of Yellow River Conservancy Technical Institute

摘　　要：使用SPI串行总线可以达到MCU与语音芯片串行通信的目的。通过对PIC单片机与ISD4003的连接电路和软件控制的设计,实现现场语音分段录放及随即组合放音。With SPI serial bus to carry out the serial correspondence between MCU and voice chip. Realizing the locale voice to be recorded and played one section by one section and to be made up together and played immediately by designing the interface circuit and software control.

关 键 词：SPI总线系统 语音芯片 PIC单片机 SPI串行通信协议 语音接口软硬件设计 

分 类 号：TN912.2[电子电信—通信与信息系统]