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AR# 32062

10.1i Architecture Wizard - PLL REF_JITTER value set in ps converts to incorrect unit interval value


When I enter the PLL REF_JITTER value in picoseconds (ps) using Architecture Wizard, the tool does not correctly convert this into Unit Intervals (UI).


The REF_JITTER value for the Virtex-5 PLL must be set in UI. The Architecture Wizard software tool allows the user to enter the value in either ps or UI, and automatically converts the value into UI. In the 10.1i version of the tool, the conversion from picoseconds to Unit Intervals is done incorrectly.

The workaround for this issue is to enter the REF_JITTER value into Architecture Wizard in Unit Intervals.
AR# 32062
日期 08/10/2010
状态 Active
Type 综合文章
  • Virtex-5 FXT
  • Virtex-5 LX
  • Virtex-5 LXT
  • More
  • Virtex-5 SXT
  • Virtex-5 TXT
  • Virtex-5Q
  • Virtex-5QV
  • Less
  • ISE Design Suite - 10.1
  • ISE Design Suite - 10.1 sp1
  • ISE Design Suite - 10.1 sp2
  • ISE Design Suite - 10.1 sp3
  • PLL Module