Parameters
| Parameter | Type | Required | Comments | 
|---|---|---|---|
| IO_STANDARD | String | No | Specifies the I/O standard for the tri-stated output pin. Value is any legal Intel Quartus Prime Settings File (.qsf) Definition differential I/O standards Definition. | 
| 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. |