| Line 16... |
Line 16... |
-- See the License for the specific language governing permissions and
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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-- limitations under the License.
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--
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--
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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|
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library ieee, common_pkg_lib, common_components_lib, common_mult_lib, technology_lib;
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library ieee, common_pkg_lib, common_components_lib, astron_multiplier_lib;
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use IEEE.std_logic_1164.all;
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use IEEE.std_logic_1164.all;
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USE technology_lib.technology_select_pkg.ALL;
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--USE technology_lib.technology_select_pkg.ALL;
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use common_pkg_lib.common_pkg.all;
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use common_pkg_lib.common_pkg.all;
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|
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entity rTwoWMul is
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entity rTwoWMul is
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generic (
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generic (
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g_technology : NATURAL := c_tech_select_default;
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g_technology : NATURAL := 0;
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g_stage : natural := 1;
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g_stage : natural := 1;
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g_lat : natural := 3+1 -- 3 for mult, 1 for round
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g_lat : natural := 3+1 -- 3 for mult, 1 for round
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);
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);
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port (
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port (
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clk : in std_logic;
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clk : in std_logic;
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| Line 104... |
Line 104... |
-- . for c_lat = 0,1,2 use the RTL multiplier
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-- . for c_lat = 0,1,2 use the RTL multiplier
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-- . for c_lat >= 3 default best use the FPGA multiplier IP block.
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-- . for c_lat >= 3 default best use the FPGA multiplier IP block.
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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gen_rtl : if g_stage=1 or c_in_dat_w>c_dsp_mult_w or c_lat<c_dsp_mult_lat generate
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gen_rtl : if g_stage=1 or c_in_dat_w>c_dsp_mult_w or c_lat<c_dsp_mult_lat generate
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u_CmplxMul : entity common_mult_lib.common_complex_mult
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u_CmplxMul : entity astron_multiplier_lib.common_complex_mult
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generic map (
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generic map (
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g_technology => g_technology,
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g_technology => g_technology,
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g_variant => "RTL",
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g_variant => "RTL",
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g_in_a_w => c_in_dat_w,
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g_in_a_w => c_in_dat_w,
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g_in_b_w => c_weight_w,
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g_in_b_w => c_weight_w,
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| Line 132... |
Line 132... |
out_val => OPEN
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out_val => OPEN
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);
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);
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end generate;
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end generate;
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|
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gen_ip : if g_stage>1 and c_in_dat_w<=c_dsp_mult_w and c_lat>=c_dsp_mult_lat generate
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gen_ip : if g_stage>1 and c_in_dat_w<=c_dsp_mult_w and c_lat>=c_dsp_mult_lat generate
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u_cmplx_mul : entity common_mult_lib.common_complex_mult
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u_cmplx_mul : entity astron_multiplier_lib.common_complex_mult
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generic map (
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generic map (
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g_technology => g_technology,
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g_technology => g_technology,
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g_variant => "IP",
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g_variant => "IP",
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g_in_a_w => in_re'length,
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g_in_a_w => in_re'length,
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g_in_b_w => weight_re'length,
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g_in_b_w => weight_re'length,
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