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XPLA Professional - What does the XPLA Property "TRI-STATE" do?
Keywords: XPLA, Professional, CoolRunner, fitter, property, tri-state
What does the XPLA Property "TRI-STATE" do?
XPLA Software supports two properties that will disable the weak
pull-down resistor on unused pins and leave these pins tri-stated. This
is useful when there are unused pins connected to a bus.
For example, the following property disables pull-down on all unused pins
and tri-states them:
xpla property 'tri-state all';
This disables pull-down on u1 at pin 4 and tri-states that pin:
xpla property 'u1:4 tri-state';
NOTE: A pin name must be specified even though the pin is unused.