mult_0ct.tdf 4.2 KB

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  1. --lpm_mult CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone IV E" DSP_BLOCK_BALANCING="Auto" INPUT_A_IS_CONSTANT="NO" INPUT_B_IS_CONSTANT="NO" LPM_REPRESENTATION="UNSIGNED" LPM_WIDTHA=9 LPM_WIDTHB=19 LPM_WIDTHP=28 LPM_WIDTHS=1 MAXIMIZE_SPEED=5 dataa datab result CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
  2. --VERSION_BEGIN 13.0 cbx_cycloneii 2013:04:24:18:08:47:SJ cbx_lpm_add_sub 2013:04:24:18:08:47:SJ cbx_lpm_mult 2013:04:24:18:08:47:SJ cbx_mgl 2013:04:24:18:11:10:SJ cbx_padd 2013:04:24:18:08:47:SJ cbx_stratix 2013:04:24:18:08:47:SJ cbx_stratixii 2013:04:24:18:08:47:SJ cbx_util_mgl 2013:04:24:18:08:47:SJ VERSION_END
  3. -- Copyright (C) 1991-2013 Altera Corporation
  4. -- Your use of Altera Corporation's design tools, logic functions
  5. -- and other software and tools, and its AMPP partner logic
  6. -- functions, and any output files from any of the foregoing
  7. -- (including device programming or simulation files), and any
  8. -- associated documentation or information are expressly subject
  9. -- to the terms and conditions of the Altera Program License
  10. -- Subscription Agreement, Altera MegaCore Function License
  11. -- Agreement, or other applicable license agreement, including,
  12. -- without limitation, that your use is for the sole purpose of
  13. -- programming logic devices manufactured by Altera and sold by
  14. -- Altera or its authorized distributors. Please refer to the
  15. -- applicable agreement for further details.
  16. FUNCTION cycloneive_mac_mult (aclr, clk, dataa[dataa_width-1..0], datab[datab_width-1..0], ena, signa, signb)
  17. WITH ( dataa_clock, dataa_width, datab_clock, datab_width, signa_clock, signb_clock)
  18. RETURNS ( dataout[dataa_width+datab_width-1..0]);
  19. FUNCTION cycloneive_mac_out (aclr, clk, dataa[dataa_width-1..0], ena)
  20. WITH ( dataa_width = 0, output_clock)
  21. RETURNS ( dataout[dataa_width-1..0]);
  22. FUNCTION soft (in)
  23. RETURNS ( out);
  24. --synthesis_resources = dsp_9bit 3 lut 11
  25. SUBDESIGN mult_0ct
  26. (
  27. dataa[8..0] : input;
  28. datab[18..0] : input;
  29. result[27..0] : output;
  30. )
  31. VARIABLE
  32. add5_result[10..0] : WIRE;
  33. mac_mult1 : cycloneive_mac_mult
  34. WITH (
  35. dataa_clock = "none",
  36. dataa_width = 9,
  37. datab_clock = "none",
  38. datab_width = 18,
  39. signa_clock = "none",
  40. signb_clock = "none"
  41. );
  42. mac_mult3 : cycloneive_mac_mult
  43. WITH (
  44. dataa_clock = "none",
  45. dataa_width = 9,
  46. datab_clock = "none",
  47. datab_width = 1,
  48. signa_clock = "none",
  49. signb_clock = "none"
  50. );
  51. mac_out2 : cycloneive_mac_out
  52. WITH (
  53. dataa_width = 27,
  54. output_clock = "none"
  55. );
  56. mac_out4 : cycloneive_mac_out
  57. WITH (
  58. dataa_width = 10,
  59. output_clock = "none"
  60. );
  61. sft6a[10..0] : soft;
  62. sft7a[10..0] : soft;
  63. sft8a[10..0] : soft;
  64. w134w[28..0] : WIRE;
  65. w82w : WIRE;
  66. BEGIN
  67. add5_result[] = sft6a[].out + sft7a[].out;
  68. mac_mult1.dataa[] = ( dataa[8..0]);
  69. mac_mult1.datab[] = ( datab[17..0]);
  70. mac_mult1.signa = B"0";
  71. mac_mult1.signb = B"0";
  72. mac_mult3.dataa[] = ( dataa[8..0]);
  73. mac_mult3.datab[] = ( datab[18..18]);
  74. mac_mult3.signa = B"0";
  75. mac_mult3.signb = B"0";
  76. mac_out2.dataa[] = mac_mult1.dataout[];
  77. mac_out4.dataa[] = mac_mult3.dataout[];
  78. sft6a[].in = ( w82w, ( mac_out4.dataout[9..9], ( mac_out2.dataout[26..26], ( mac_out2.dataout[25..25], ( mac_out2.dataout[24..24], ( mac_out2.dataout[23..23], ( mac_out2.dataout[22..22], ( mac_out2.dataout[21..21], ( mac_out2.dataout[20..20], ( mac_out2.dataout[19..18]))))))))));
  79. sft7a[].in = ( w82w, ( w82w, ( mac_out4.dataout[8..8], ( mac_out4.dataout[7..7], ( mac_out4.dataout[6..6], ( mac_out4.dataout[5..5], ( mac_out4.dataout[4..4], ( mac_out4.dataout[3..3], ( mac_out4.dataout[2..2], ( mac_out4.dataout[1..0]))))))))));
  80. sft8a[].in = add5_result[];
  81. result[27..0] = w134w[27..0];
  82. w134w[] = ( sft8a[10..9].out, sft8a[8..7].out, sft8a[6..5].out, sft8a[4..3].out, sft8a[2..1].out, sft8a[0..0].out, mac_out2.dataout[17..17], mac_out2.dataout[16..16], mac_out2.dataout[15..15], mac_out2.dataout[14..14], mac_out2.dataout[13..13], mac_out2.dataout[12..12], mac_out2.dataout[11..11], mac_out2.dataout[10..10], mac_out2.dataout[9..9], mac_out2.dataout[8..8], mac_out2.dataout[7..7], mac_out2.dataout[6..6], mac_out2.dataout[5..5], mac_out2.dataout[4..4], mac_out2.dataout[3..3], mac_out2.dataout[2..2], mac_out2.dataout[1..1], mac_out2.dataout[0..0]);
  83. w82w = B"0";
  84. END;
  85. --VALID FILE