本例设计一个码率为500kb/s，字长为8 位、帧长为128 个字、帧同步码为EB90H 的PCM 采编器。用VHDL语言实现的。-This designs a code to lead for the 500 kbs|s, the word is long for 8, the growing is synchronous code of for 128 words and for the EB90 H of PCM adopt to weave a machine.Use what VHDL language carry out.