AHDL Function Prototype (port name and order also apply to Verilog HDL)
The following AHDL function prototype is located in the AHDL Include File (.inc) Definitionalt_oct.incin the <Intel® Quartus® Prime installation directory>\libraries\megafunctions directory.
PARAMETERS ( OCT_BLOCK_NUMBER = 0 ); FUNCTION alt_oct ( aclr, calibration_request[OCT_BLOCK_NUMBER-1..0], calibration_wait[OCT_BLOCK_NUMBER-1..0], clken, clock, rdn[OCT_BLOCK_NUMBER-1..0], rup[OCT_BLOCK_NUMBER-1..0], s2pload[OCT_BLOCK_NUMBER-1..0] ) WITH ( ENABLE_PARALLEL_TERMINATION, OCT_BLOCK_NUMBER, POWER_DOWN ) RETURNS ( cal_shift_busy[OCT_BLOCK_NUMBER-1..0], calibration_busy[OCT_BLOCK_NUMBER-1..0], calibration_done[OCT_BLOCK_NUMBER-1..0], parallelterminationcontrol[OCT_BLOCK_NUMBER * 14-1..0], seriesterminationcontrol[OCT_BLOCK_NUMBER * 14-1..0], termination_control[16 * OCT_BLOCK_NUMBER-1..0] );