As the developing of IC design and manufacture process, the board level system is integrated into a chip. SystemOnChip ( SoC) is becoming the primary trend.

• 集成电路制造工艺水平和设计水平发展到今天，人们已经将原先的板级系统集成在一个芯片上，系统芯片(SystemOnChip，简称SoC)逐渐成为集成电路设计的主流发展趋势。