随着DSP应用技术的快速发展,为满足实时处理的性能要求,越来越多的系统采取多DSP的并行处理方式。并行处理系统通常由多个DS处理单元组成,结构比较复杂,因此系统发生故障的概率和诊断难度也不断增加,对故障诊断技术的需求也更为迫切,有...随着DSP应用技术的快速发展,为满足实时处理的性能要求,越来越多的系统采取多DSP的并行处理方式。并行处理系统通常由多个DS处理单元组成,结构比较复杂,因此系统发生故障的概率和诊断难度也不断增加,对故障诊断技术的需求也更为迫切,有效的故障诊断技术能够及时发现并定位故障,快速完成产品维修。就当前的情况而言,DSP等器件往往会借助JTAG(joint test action group)接口来充当其与PC机进行通信的媒介,基于此,设计了几种以JTAG接口为基础的智能故障诊断设计方案,且通过实际的应用案例,证明利用本诊断技术能够在很大程度上提升故障诊断的响应速度以及准确率。展开更多
With the rapid development of information technology,the demand for high-performance and low-power microprocessors continues to grow.Traditional silicon-based semiconductor technologies have encountered numerous bottl...With the rapid development of information technology,the demand for high-performance and low-power microprocessors continues to grow.Traditional silicon-based semiconductor technologies have encountered numerous bottlenecks in performance enhancement,such as drain-induced barrier lowering,reduced mobility caused by interface scattering,and limited current on/off ratios.展开更多
文摘随着DSP应用技术的快速发展,为满足实时处理的性能要求,越来越多的系统采取多DSP的并行处理方式。并行处理系统通常由多个DS处理单元组成,结构比较复杂,因此系统发生故障的概率和诊断难度也不断增加,对故障诊断技术的需求也更为迫切,有效的故障诊断技术能够及时发现并定位故障,快速完成产品维修。就当前的情况而言,DSP等器件往往会借助JTAG(joint test action group)接口来充当其与PC机进行通信的媒介,基于此,设计了几种以JTAG接口为基础的智能故障诊断设计方案,且通过实际的应用案例,证明利用本诊断技术能够在很大程度上提升故障诊断的响应速度以及准确率。
文摘With the rapid development of information technology,the demand for high-performance and low-power microprocessors continues to grow.Traditional silicon-based semiconductor technologies have encountered numerous bottlenecks in performance enhancement,such as drain-induced barrier lowering,reduced mobility caused by interface scattering,and limited current on/off ratios.