采用自顶向下的设计方法，用原理图和VHDL语言这两种输入对串行通信接口芯片进行设计。
The serial communication interface chip design was realized by application of schematic diagram and VHDL language.
利用CPLD芯片的大容量、可编程特性，设计了具有缓存功能的高速异步串行通信接口芯片，以满足日益提高的快速串行通信要求。
Making use of large inner capacity and programmable resource of a CPLD chip, a high speed UART with buffer bas been designed to meet communication requirement.
单片机是将运算器、存储器、定时器、模数转换器和串行通信接口等集成在一个芯片上的小型计算机系统，它可以被嵌入到各种自动控制器和智能电子产品中。
Microcontroller is a small computer system that integrates ALU, memory, timer, ADC, UART, etc in one chip. it can be embedded into many kinds of controllers and intelligent electronic products.
该接口卡FPGA芯片内部VHDL程序含：ISA总线与FPGA接口、串行异步通信发送及接收模块。
The VHDL program embedded in the FPGA chip includes: interface combine ISA bus and FPGA, serial asynchronous communication module for transmitting and receiving.
文中通过扩展异步通信芯片TL16C750 实现DSP和PC 机之间的异步串行通信，从而增强系统的通信接口控制能力。
This paper achieves the synchronous serial communication between DSP and PC based on TL16C750, thus improving systems'power of controlling communication interfaces.
SIM读卡器和手机数据接口是基于PC机串行通信口，利用一片74hc14芯片实现接口功能。
SIM reads the card and the handset data interface is based on the PC machine serial port, USES a piece of 74hc14 chip to realize the interface function.
人机接口部分的键盘采用的是编码式键盘芯片HD7279A，以串行的方式与单片机进行通信；
The keyboards of man-machine connect portion uses coded keyboard chip HD7279A, which communicates with the Single Chip Machine by the serial way;
人机接口部分的键盘采用的是编码式键盘芯片HD7279A，以串行的方式与单片机进行通信；
The keyboards of man-machine connect portion uses coded keyboard chip HD7279A, which communicates with the Single Chip Machine by the serial way;
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