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Altera_Forum's avatar
Altera_Forum
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14 years ago

Vhdl 'device_family'

Is there an equivalent of the AHDL predefined Altera parameter DEVICE_FAMILY in VHDL? I have a single module to instantiate a Fifo (as I don't like to generate fixed components using the MegaWizard)...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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Quartus does provide the "ramstyle" synthesis attribute, but that is only for infered rams.

-- First, declare a signal that represents a RAM

type memory_t is array (0 to 63) of std_logic_vector(0 to 7);

signal my_ram : memory_t;

attribute ramstyle : string;

attribute ramstyle of my_ram : signal is "M512";

But for the FIFOs, I have only ever done it via LPM_HINT

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I have never inferred Rams, and probably never will. I'll cross that bridge if ever we switch to Xilinx or Lattice or ...?

I was just looking for a VHDL equivalent of the AHDL predefined "DEVICE_FAMILY' parameter. Can you suggest to Altera to add a 'device_family' function to the LPM library?