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-rw-r--r--usrp2/fpga/control_lib/srl.v21
1 files changed, 21 insertions, 0 deletions
diff --git a/usrp2/fpga/control_lib/srl.v b/usrp2/fpga/control_lib/srl.v
new file mode 100644
index 000000000..fa28c7669
--- /dev/null
+++ b/usrp2/fpga/control_lib/srl.v
@@ -0,0 +1,21 @@
+
+module srl
+ #(parameter WIDTH=18)
+ (input clk,
+ input write,
+ input [WIDTH-1:0] in,
+ input [3:0] addr,
+ output [WIDTH-1:0] out);
+
+ genvar i;
+ generate
+ for (i=0;i<WIDTH;i=i+1)
+ begin : gen_srl
+ SRL16E
+ srl16e(.Q(out[i]),
+ .A0(addr[0]),.A1(addr[1]),.A2(addr[2]),.A3(addr[3]),
+ .CE(write),.CLK(clk),.D(in[i]));
+ end
+ endgenerate
+
+endmodule // srl