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Diffstat (limited to 'usrp2/models/SRLC16E.v')
-rw-r--r-- | usrp2/models/SRLC16E.v | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/usrp2/models/SRLC16E.v b/usrp2/models/SRLC16E.v new file mode 100644 index 000000000..a68bbe9e9 --- /dev/null +++ b/usrp2/models/SRLC16E.v @@ -0,0 +1,61 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/SRLC16E.v,v 1.6.158.1 2007/03/09 18:13:20 patrickp Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2004 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 8.1i (I.13) +// \ \ Description : Xilinx Functional Simulation Library Component +// / / 16-Bit Shift Register Look-Up-Table with Carry and Clock Enable +// /___/ /\ Filename : SRLC16E.v +// \ \ / \ Timestamp : Thu Mar 25 16:43:40 PST 2004 +// \___\/\___\ +// +// Revision: +// 03/23/04 - Initial version. +// End Revision + +`timescale 1 ps / 1 ps + + +module SRLC16E (Q, Q15, A0, A1, A2, A3, CE, CLK, D); + + parameter INIT = 16'h0000; + + output Q, Q15; + + input A0, A1, A2, A3, CE, CLK, D; + + reg [15:0] data; + wire [3:0] addr; + wire q_int; + + buf b_a3 (addr[3], A3); + buf b_a2 (addr[2], A2); + buf b_a1 (addr[1], A1); + buf b_a0 (addr[0], A0); + + buf b_q_int (q_int, data[addr]); + buf b_q (Q, q_int); + buf b_q15_int (q15_int, data[15]); + buf b_q15 (Q15, q15_int); + + initial + begin + assign data = INIT; + while (CLK === 1'b1 || CLK===1'bX) + #10; + deassign data; + end + + always @(posedge CLK) begin + if (CE == 1'b1) begin + {data[15:0]} <= #100 {data[14:0], D}; + end + end + + +endmodule + |