diff --git a/projects/fmcadc5/common/fmcadc5_psync.v b/projects/fmcadc5/common/fmcadc5_psync.v
new file mode 100644
index 000000000..d4a7367fd
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+++ b/projects/fmcadc5/common/fmcadc5_psync.v
@@ -0,0 +1,84 @@
+// ***************************************************************************
+// ***************************************************************************
+// Copyright 2011(c) Analog Devices, Inc.
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//     - Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     - Redistributions in binary form must reproduce the above copyright
+//       notice, this list of conditions and the following disclaimer in
+//       the documentation and/or other materials provided with the
+//       distribution.
+//     - Neither the name of Analog Devices, Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//     - The use of this software may or may not infringe the patent rights
+//       of one or more patent holders.  This license does not release you
+//       from the requirement that you obtain separate licenses from these
+//       patent holders to use this software.
+//     - Use of the software either in source or binary form, must be run
+//       on or directly connected to an Analog Devices Inc. component.
+//    
+// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED.
+//
+// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
+// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
+// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// ***************************************************************************
+// ***************************************************************************
+
+`timescale 1ns/100ps
+
+module fmcadc5_psync (
+
+  up_rstn,
+  up_clk,
+
+  psync_0,
+  psync_1);
+
+  // 4 wire
+
+  input           up_rstn;
+  input           up_clk;
+  output          psync_0;
+  output          psync_1;
+
+  // internal registers
+
+  reg     [ 7:0]  psync_count = 'd0;
+  reg             psync_0 = 'd0;
+  reg             psync_1 = 'd0;
+
+  // ~602K
+
+  always @(posedge up_clk or negedge up_rstn) begin
+    if (up_rstn == 1'b0) begin
+      psync_count <= 7'd0;
+      psync_0 <= 1'b0;
+      psync_1 <= 1'b1;
+    end else begin
+      if (psync_count >= 7'h52) begin
+        psync_count <= 7'd0;
+      end else begin
+        psync_count <= psync_count + 1'b1;
+      end
+      if (psync_count >= 7'h4f) begin
+        psync_0 <= ~psync_0;
+        psync_1 <= ~psync_1;
+      end
+    end
+  end
+
+endmodule
+
+// ***************************************************************************
+// ***************************************************************************