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DP83640: DP83640

Part Number: DP83640

DP83640芯片配置为100兆、全双工模式,FPGA中与之交互数据的三速以太网IP核在同时收发数据时,偶尔会报CRC错,这个错误原因是因为【该错误帧帧头中帧长度字段值(比如800)与该帧实际字节数(如21)不一致】,那么这种不一致是因为什么而导致的呢