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) Definitionaltufm_parallel.inc in the <Intel® Quartus® Prime installation directory>\libraries\megafunctions directory.
FUNCTION altufm_parallel ( addr[WIDTH_ADDRESS-1..0], di[WIDTH_DATA-1..0], nerase, nread, nwrite ) WITH ( ACCESS_MODE, ERASE_TIME, LPM_FILE, OSC_FREQUENCY, PROGRAM_TIME, WIDTH_ADDRESS, WIDTH_DATA, WIDTH_UFM_ADDRESS ) RETURNS ( data_valid, do[WIDTH_DATA-1..0], nbusy, osc );