1 |
157 |
olivier.gi |
//----------------------------------------------------------------------------
|
2 |
|
|
// Copyright (C) 2009 , Olivier Girard
|
3 |
|
|
//
|
4 |
|
|
// Redistribution and use in source and binary forms, with or without
|
5 |
|
|
// modification, are permitted provided that the following conditions
|
6 |
|
|
// are met:
|
7 |
|
|
// * Redistributions of source code must retain the above copyright
|
8 |
|
|
// notice, this list of conditions and the following disclaimer.
|
9 |
|
|
// * Redistributions in binary form must reproduce the above copyright
|
10 |
|
|
// notice, this list of conditions and the following disclaimer in the
|
11 |
|
|
// documentation and/or other materials provided with the distribution.
|
12 |
|
|
// * Neither the name of the authors nor the names of its contributors
|
13 |
|
|
// may be used to endorse or promote products derived from this software
|
14 |
|
|
// without specific prior written permission.
|
15 |
|
|
//
|
16 |
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
17 |
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
18 |
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
19 |
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
20 |
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
21 |
|
|
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
22 |
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
23 |
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
24 |
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
25 |
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
26 |
|
|
// THE POSSIBILITY OF SUCH DAMAGE
|
27 |
|
|
//
|
28 |
|
|
//----------------------------------------------------------------------------
|
29 |
|
|
//
|
30 |
|
|
// *File Name: omsp_scan_mux.v
|
31 |
|
|
//
|
32 |
|
|
// *Module Description:
|
33 |
|
|
// Generic mux for scan mode
|
34 |
|
|
//
|
35 |
|
|
// *Author(s):
|
36 |
|
|
// - Olivier Girard, olgirard@gmail.com
|
37 |
|
|
//
|
38 |
|
|
//----------------------------------------------------------------------------
|
39 |
|
|
// $Rev: 103 $
|
40 |
|
|
// $LastChangedBy: olivier.girard $
|
41 |
|
|
// $LastChangedDate: 2011-03-05 15:44:48 +0100 (Sat, 05 Mar 2011) $
|
42 |
|
|
//----------------------------------------------------------------------------
|
43 |
|
|
|
44 |
|
|
module omsp_scan_mux (
|
45 |
|
|
|
46 |
|
|
// OUTPUTs
|
47 |
|
|
data_out, // Scan mux data output
|
48 |
|
|
|
49 |
|
|
// INPUTs
|
50 |
|
|
data_in_scan, // Selected data input for scan mode
|
51 |
|
|
data_in_func, // Selected data input for functional mode
|
52 |
|
|
scan_mode // Scan mode
|
53 |
|
|
);
|
54 |
|
|
|
55 |
|
|
// OUTPUTs
|
56 |
|
|
//=========
|
57 |
|
|
output data_out; // Scan mux data output
|
58 |
|
|
|
59 |
|
|
// INPUTs
|
60 |
|
|
//=========
|
61 |
|
|
input data_in_scan; // Selected data input for scan mode
|
62 |
|
|
input data_in_func; // Selected data input for functional mode
|
63 |
|
|
input scan_mode; // Scan mode
|
64 |
|
|
|
65 |
|
|
|
66 |
|
|
//=============================================================================
|
67 |
|
|
// 1) SCAN MUX
|
68 |
|
|
//=============================================================================
|
69 |
|
|
|
70 |
|
|
assign data_out = scan_mode ? data_in_scan : data_in_func;
|
71 |
|
|
|
72 |
|
|
|
73 |
|
|
endmodule // omsp_scan_mux
|
74 |
|
|
|
75 |
|
|
|