PCIe

名詞

  • Common clocking : 使用相同的 clock
  • SRNS(separate reference clock no SSC) : no SSC (須要求 clock 準確度)
  • SRIS(separate reference clock independent SSC)
  • SSC(spread spectrum clock) isolation
  • PSW(Program Status Word)

PCIE clock mode

  • Common Reference clock
  • Separate Reference Clock
    • With No SSC(SRNS)
      SRNS allows worst case of 600 ppm
    • With Independent SSC(SRIS)

參考資料