diff options
Diffstat (limited to 'tests/openmsp430/rtl/omsp_sync_cell.v')
| -rw-r--r-- | tests/openmsp430/rtl/omsp_sync_cell.v | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/tests/openmsp430/rtl/omsp_sync_cell.v b/tests/openmsp430/rtl/omsp_sync_cell.v deleted file mode 100644 index ece0682a9..000000000 --- a/tests/openmsp430/rtl/omsp_sync_cell.v +++ /dev/null @@ -1,80 +0,0 @@ -//---------------------------------------------------------------------------- -// Copyright (C) 2009 , Olivier Girard -// -// 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 the authors nor the names of its contributors -// may be used to endorse or promote products derived from this software -// without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, -// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 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 -// -//---------------------------------------------------------------------------- -// -// *File Name: omsp_sync_cell.v -// -// *Module Description: -// Generic synchronizer for the openMSP430 -// -// *Author(s): -// - Olivier Girard, olgirard@gmail.com -// -//---------------------------------------------------------------------------- -// $Rev: 103 $ -// $LastChangedBy: olivier.girard $ -// $LastChangedDate: 2011-03-05 15:44:48 +0100 (Sat, 05 Mar 2011) $ -//---------------------------------------------------------------------------- - -module omsp_sync_cell ( - -// OUTPUTs - data_out, // Synchronized data output - -// INPUTs - clk, // Receiving clock - data_in, // Asynchronous data input - rst // Receiving reset (active high) -); - -// OUTPUTs -//========= -output data_out; // Synchronized data output - -// INPUTs -//========= -input clk; // Receiving clock -input data_in; // Asynchronous data input -input rst; // Receiving reset (active high) - - -//============================================================================= -// 1) SYNCHRONIZER -//============================================================================= - -reg [1:0] data_sync; - -always @(posedge clk or posedge rst) - if (rst) data_sync <= 2'b00; - else data_sync <= {data_sync[0], data_in}; - -assign data_out = data_sync[1]; - - -endmodule // omsp_sync_cell - |