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AR# 34522

Virtex-6 - How should an unused System Monitor be connected?


How should the System Monitor be connected if you do not want to use it?


All of the System Monitor pins should be connected to GND in order todisable it.
Xilinx recommends powering the System Monitor using the on-chip reference so that it can be used for in board de-bugging. If the internalreference is used, then the System Monitor will consume approximately 10 mA from the VCCAUX rail.
If the System Monitor is only used for de-bugging, then the Ferrite bead does not necessarily need to be used, but there will be a reduction in the accuracy of the System Monitor.
Currently the internal reference is an errata topic and may not be supported in production.
AR# 34522
Date 12/15/2012
Status Active
Type General Article
  • Virtex-6 CXT
  • Virtex-6 HXT
  • Virtex-6 LX
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