2. Intel Agilex I/O Features and Usage UG-20214 | Parameter Condition • Clear—Enables the SCLR port for synchronous clears. • Preset—Enables the SSET port for synchronous preset. Enable • Register mode = • None None Specifies how to implement asynchronous DDIO • Clear asynchronous reset port. clear / preset port • Preset • None—Disables asynchronous reset port. • Clear—Enables the ACLR port for