Parameters

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Parameter

Type

Required

Comments

IO_STANDARD

String

No

Specifies the I/O standard for the tri-stated output pin, accepting positive integer values including 0. 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. This parameter is available for Cyclone® III and Stratix® III devices only.

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 available for supported device ( MAX® II) families.

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.

INPUT_TERMINATION

String

No

Specifies any legal OCT value for the current device. This parameter cannot be used with TERMINATION. This parameter is available for supported device ( Cyclone® III and Stratix® III) families.

OUTPUT_TERMINATION

String

No

Specifies any legal OCT value for the current device. This parameter cannot be used with the parameter TERMINATION. This parameter is available for supported device ( Cyclone® III and Stratix® III) families.