Parameters

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Parameter	Type	Required	Comments
`IO_STANDARD`	String	No	Specifies the I/O standard for the bidirectional pin. Value is any legal Quartus Prime Settings File (.qsf) Definition I/O standards Definition.
`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 the bidirectional pin. Value must be a positive integer, [`0`,`1`,..]. If omitted, the default is `-1`, which is equivalent to not setting this parameter.
LOCATION	String	No	Specifies a legal pin location for the current device.
`ENABLE_BUS_HOLD`	String	No	Specifies whether to enable bus-hold circuitry. Legal values are `"ON"` and `"OFF"`.
`WEAK_PULL_UP_RESISTOR`	String	No	Specifies whether 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. The value of this parameter is both the input and output termination value for the current device. To set separate input and output values, use the `INPUT_TERMINATION` or `OUTPUT_TERMINATION` parameters.
INPUT_TERMINATION	String	No	Specifies any legal input OCT value for the current device. This parameter cannot be used with `TERMINATION`.
OUTPUT_TERMINATION	String	No	Specifies any legal output OCT value for the current device. This parameter cannot be used with the parameter `TERMINATION`.