diff options
Diffstat (limited to 'rtl/lowlevel/artix7/mac16_artix7.v')
-rw-r--r-- | rtl/lowlevel/artix7/mac16_artix7.v | 106 |
1 files changed, 53 insertions, 53 deletions
diff --git a/rtl/lowlevel/artix7/mac16_artix7.v b/rtl/lowlevel/artix7/mac16_artix7.v index 63b74ab..421e7ba 100644 --- a/rtl/lowlevel/artix7/mac16_artix7.v +++ b/rtl/lowlevel/artix7/mac16_artix7.v @@ -2,7 +2,7 @@ // // mac16_artix7.v // ----------------------------------------------------------------------------- -// Hardware (Artix-7 DSP48E1) 16-bit multiplier and 47-bit accumulator.
+// Hardware (Artix-7 DSP48E1) 16-bit multiplier and 47-bit accumulator. // // Authors: Pavel Shatov // @@ -34,57 +34,57 @@ // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGE. // -//------------------------------------------------------------------------------
-
-module mac16_artix7
- (
- input clk, // clock
- input clr, // clear accumulator (active-high)
- input ce, // enable clock (active-high)
- input [15: 0] a, // operand input
- input [15: 0] b, // operand input
- output [46: 0] s // sum output
- );
-
-
- //
- // DSP48E1 Slice
- //
-
- /* Operation Mode */
- wire [ 3: 0] dsp48e1_alumode = 4'b0000;
- wire [ 6: 0] dsp48e1_opmode = {2'b01, clr, 4'b0101};
-
- /* Internal Product */
- wire [47: 0] p_int;
-
- dsp48e1_wrapper dsp_adder
- (
- .clk (clk),
-
- .ce (ce),
-
- .carry (1'b0),
-
- .alumode (dsp48e1_alumode),
- .opmode (dsp48e1_opmode),
-
- .a ({{14{1'b0}}, a}),
- .b ({{ 2{1'b0}}, b}),
- .c ({48{1'b0}}),
-
- .p (p_int)
- );
-
- //
- // Output Mapping
- //
- assign s = p_int[46:0];
-
-
-endmodule
-
-
+//------------------------------------------------------------------------------ + +module mac16_artix7 + ( + input clk, // clock + input clr, // clear accumulator (active-high) + input ce, // enable clock (active-high) + input [15: 0] a, // operand input + input [15: 0] b, // operand input + output [46: 0] s // sum output + ); + + + // + // DSP48E1 Slice + // + + /* Operation Mode */ + wire [ 3: 0] dsp48e1_alumode = 4'b0000; + wire [ 6: 0] dsp48e1_opmode = {2'b01, clr, 4'b0101}; + + /* Internal Product */ + wire [47: 0] p_int; + + dsp48e1_wrapper dsp_adder + ( + .clk (clk), + + .ce (ce), + + .carry (1'b0), + + .alumode (dsp48e1_alumode), + .opmode (dsp48e1_opmode), + + .a ({{14{1'b0}}, a}), + .b ({{ 2{1'b0}}, b}), + .c ({48{1'b0}}), + + .p (p_int) + ); + + // + // Output Mapping + // + assign s = p_int[46:0]; + + +endmodule + + //------------------------------------------------------------------------------ // End-of-File -//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------ |