8B_10B编码器FPGA设计,平台上验证，结果可用。(Design of FPGA encoder 8B_10B,reading out crc after calculating the value.)

在FPGA开发板上实现通信中PCM30/32系统的时分复用，编码，解码，串并行转换，以及同步识别(On the FPGA development board, we complete time division multiplexing, encoding, decoding, serial parallel conversion and synchronization identification of PCM30/32 system in communication.)