crc 校验，vhdl源码，经仿真能正常运行，供大家参考-CRC checksum, vhdl source, the simulation can be normal operation, for your reference

赛灵思的循环冗余校验（CRC），内服详细说明-The Cyclic Redundancy Check (CRC) is a checksum technique for testing data reliability and correctness. This application note shows how to implement Configurable CRC Modules with LocalLink interfaces. Users tailor the modul

用于ethernet的CRC校验源代码，ALTERA官方代码，已验证-CRC checksum of the source code for ethernet, ALTERA official code, verified