基于S3C2440的数字音频门禁对讲系统接口电路的设计

摘要

系统以ARM920T核的S3C2440A微处理器为核心,采用数字化网络传输,通过IIS音频总线控制器实现与UDA1341芯片的接口设计,完成数字音频数据的采集和播放。%System takes S3C2440A microprocessors with ARM920T nucleus as the core,using the digital network transmission,through the IIS bus controller with UDA1341 interface chip,complete the digital audio data acquisition and playback.