本文简要介绍了USB 2.0协议层的通信原理,描述了USB 2.0主机端控制器核心部分的划分、设计及实现。 通过Cadence公司的NCSim 进行了软件仿真,最后在XILINX公司的FPGA上加以了验证,结果符合USB 2.0协议要求。关键词:USB2.0; 协议层;状态机Abstract: This paper introduced the communication principle of USB2.0’ protocol layer and the division,design and realization of the core part of USB2.0’ host port controller. The simulation was done through NCSim software of Cadence company. Finally, the result was tested through FPGA from XILINX company and meet with the requirement of USB2.0’s Protocol.Keywords: USB2.0; protocol layer; state machine
猜您喜欢
评论