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Method and apparatus of reloading erroneous configuration data frames during configuration of programmable logic devices

机译:在可编程逻辑器件的配置期间重新加载错误的配置数据帧的方法和装置

摘要

An improved method and apparatus for reloading frames in which errors are detected during the Programmable Logic Device configuration. A configuration data frame for a FPGA is loaded to the Frame register of the FPGA and also to an error detection circuit which detects errors with the loaded frame. An error counter value is maintained by the apparatus and is incremented each time an error with a frame is detected. The incremented value is compared by a Comparator circuit with a pre-determined threshold value ‘n’. If a match is found then the configuration process is aborted, else the data frame is reloaded in the configuration memory, transferred again to the frame register and rechecked for errors. If no error is detected with the reloaded frame, the error counter value is reset and the next frame is loaded until the FPGA configuration process is over.
机译:一种改进的方法和设备,用于重新加载在可编程逻辑设备配置期间检测到错误的帧。 FPGA的配置数据帧被加载到FPGA的帧寄存器中,并且还加载到错误检测电路中,该错误检测电路检测加载的帧中的错误。该设备维护错误计数器值,并且每当检测到帧错误时就增加该错误计数器值。增量值由比较器电路与预定阈值“ n”进行比较。如果找到匹配项,则配置过程中止,否则数据帧将重新加载到配置存储器中,再次传输到帧寄存器并重新检查错误。如果在重新加载的帧中未检测到错误,则将重置错误计数器值,并加载下一个帧,直到FPGA配置过程结束为止。

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