diff options
Diffstat (limited to 'fpga/usrp3/top/b200/catcap_ddr_cmos.v')
-rw-r--r-- | fpga/usrp3/top/b200/catcap_ddr_cmos.v | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/fpga/usrp3/top/b200/catcap_ddr_cmos.v b/fpga/usrp3/top/b200/catcap_ddr_cmos.v deleted file mode 100644 index 70ab94ef1..000000000 --- a/fpga/usrp3/top/b200/catcap_ddr_cmos.v +++ /dev/null @@ -1,68 +0,0 @@ - - -module catcap_ddr_cmos - (input data_clk, - input reset, - input mimo, - input rx_frame, - input [11:0] rx_d, - output rx_clk, output rx_strobe, - output reg [11:0] i0, output reg [11:0] q0, - output reg [11:0] i1, output reg [11:0] q1); - - //IBUFGDS #(.IOSTANDARD("LVDS_33"), .DIFF_TERM("TRUE")) - //clkbuf (.O(ssclk), .I(ssclk_p), .IB(ssclk_n)); - - wire [11:0] i,q; - wire frame_0, frame_1; - - genvar z; - - generate - for(z = 0; z < 12; z = z + 1) - begin : gen_pins - IDDR2 #(.DDR_ALIGNMENT("C0")) iddr2 - (.Q0(q[z]), .Q1(i[z]), .C0(data_clk), .C1(~data_clk), - .CE(1'b1), .D(rx_d[z]), .R(1'b0), .S(1'b0)); - end - endgenerate - IDDR2 #(.DDR_ALIGNMENT("C0")) iddr2_frame - (.Q0(frame_0), .Q1(frame_1), .C0(data_clk), .C1(~data_clk), - .CE(1'b1), .D(rx_frame), .R(1'b0), .S(1'b0)); - - reg frame_d1, frame_d2; - always @(posedge data_clk) - if(reset) - { frame_d2, frame_d1 } <= 0; - else if(~mimo) - { frame_d2, frame_d1 } <= { frame_1, 1'b0 }; - else - { frame_d2, frame_d1 } <= { frame_d1, frame_1 }; - - assign rx_strobe = frame_d2; - - reg [11:0] i_del, q_del; - always @(posedge data_clk) - if(mimo) - if(frame_0) - begin - i_del <= i; - q_del <= q; - end - else - begin - i1 <= i; - q1 <= q; - i0 <= i_del; - q0 <= q_del; - end - else - begin - i0 <= i; - q0 <= q; - i1 <= i; - q1 <= q; - end - assign rx_clk = data_clk; - -endmodule // catcap_ddr_cmos |