摘要
Abstract
Serial communication module is a part of external communication module which is necessary for every computer. However,because of too many serial communication protocols and interfaces,more resources and volumes are always occupied by the serial communication module. In this paper,three serial communication protocols(RS⁃232,RS 422 and RS 485)are com⁃patible with two serial communication modes (UART and HDLC) into an intelligent communication board through FPGA. The configuration of eight serial communication channels is completed under the control of the control interface of upper computer. The overall structure and the hardware design of the communication board are introduced in this article. At last,the communica⁃tion result of the upper computer control interface is displayed. The conclusion proves that this intelligent serial communication board can execute the switching between multi⁃protocol and multi⁃mode,and meet the requirements of different kinds of serial communication as expected.关键词
串行通信/串行协议/串行方式/FPGA/智能串行通信卡Key words
serial communication/serial protocol/serial mode/FPGA/intelligent serial communication card分类
信息技术与安全科学
