3.6系统测试逻辑 Boundary Register Cell Boundary Register System Circuitry 爱 Device ID Register 00000.0000 Bypass Register Instruction Register 000000 (Control Signals) TDO TCK TAP Controller TMS TRST* 2020/9/5 集成电路可测性设计 173.6 系统测试逻辑 2020/9/5 集成电路可测性设计 17