The following table describes the STARTUPE3 primitive attributes.
| Attribute | Type | Allowed Values | Default | Description |
|---|---|---|---|---|
| PROG_USR | String |
FALSE, TRUE |
FALSE | Activate PROGRAM request/ acknowledge security feature. |
| SIM_CCLK_FREQ | Float (ns) | 0.0 to 10.0 | 0.0 | Set the configuration clock frequency (ns) for simulation. |