Parameters

Parameter Type Required Comments
IO_STANDARD String No

Specifies the I/O standard for the tri-stated output pin. Values are legal Quartus Prime Settings File (.qsf) DefinitionI/O standards Definition values.

CURRENT_STRENGTH String No Specifies the current strength value. Values are legal Quartus® Prime Settings File current strength new values.
SLEW_RATE Integer No Specifies the low-to-high or high-to-low transitions on output pins.
SLOW_SLEW_RATE String No

Specifies whether to use slow slew rate for the tri-stated output pin. Values are "ON" or "OFF". This parameter is not available for Cyclone® III and Stratix® III devices.

LOCATION String No Specifies a legal pin location for the current device.
ENABLE_BUS_HOLD String No

Specifies whether or not to enable bus-hold circuitry. Legal values are "ON" and "OFF".

WEAK_PULL_UP_RESISTOR String No

Specifies whether or not to enable the weak pull-up resistor. Legal values are "ON" and "OFF".

TERMINATION String No

Specifies any legal on-chip termination (OCT) value for the current device. This parameter cannot be used with IN_TERMINATION or OUT_TERMINATION.