In practice this paper gives a detailed design implementation of various UART modules including reciever / transmitter baud-rate generator synchronous FIFO ( First In First Out ) Modem control module interface module .
在具体实现上，本文给出了UART的各个模块的详细设计，包括：发送器、接收器、波特率发生器、 同步先进先出缓存（FIFO：FirstinFirstout）、 Modem控制模块、接口模块。
The Realization of the Abrupt Synchronous Tone Band MODEM
突发方式 同步话音频带 调制解调器的实现
The collection of mankind for pulse also has synchronous development with social technology and also develop to modem optics from machinery to electronic .
从机械到电子发展到 近代的光学。
Synchronous communication technology based on general asynchronous modem
基于普通异步 Modem 的 同步通信技术
同步调制解调器