UART以其简单可靠，抗干扰强，传输距离远，组网方便，被认为是嵌入式系统中进行串行数据传输的最佳方式。本文介绍了专为嵌入式系统设计的VK32系列新型多总线接口UART器件的原理及应用技术。-UART with its simple, reliable, strong anti-interference, transmission distance, network convenience, is considered the best way to embedded systems for serial data transfer. This paper introduces the principle and application of technology designed specifically for embedded systems VK32 series of new multi-bus interface UART devices.