We practiced a special structure of a BSM based on the instruction-expanded design.The instruction set was chosen carefully by studying the Boundary Scanning test standard.

• 这里介绍了一种基于指令模块的主控器体系结构，它的指令集的选择依照边界扫描规范并从中提取出最基本的控制方式，具有指令扩展功能。