OpenCores
URL https://opencores.org/ocsvn/yacc/yacc/trunk

Subversion Repositories yacc

[/] [yacc/] [trunk/] [doc/] [delay_sim.htm] - Blame information for rev 4

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 tak.sugawa
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2
<HTML>
3
<HEAD>
4
<META http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
5
<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 9.0.2.0 for Windows">
6
<META http-equiv="Content-Style-Type" content="text/css">
7
<TITLE></TITLE>
8
</HEAD>
9
<BODY>
10
<P><B>6 Post-Layout Gate Simulation</B><BR>
11
<B>6.1 Spartan3 Gate Simulation</B><BR>
12
<BR>
13
Memory Collision Errors are frequently reported as follows. <BR>
14
</P>
15
<P><IMG src="xilinx_gatesim2.png" width="783" height="734" border="0"><BR>
16
<BR>
17
Since this messages are meaningless for YACC. I checked disable warning
18
option in coregen generation. However situation was the same. There is
19
no help for it , I changed primitive description temporally as follows.<BR>
20
<BR>
21
parameter
22
SIM_COLLISION_CHECK = "NONE";//All ORIG TAK
23
Apr.12.2005<BR>
24
<BR>
25
<BR>
26
<IMG src="xilinx_gate_sim1.png" width="783" height="734" border="0"><BR>
27
Note:<BR>
28
&nbsp;SDF Error Messages are due to transitional state of simulator at
29
initial power on sequence.<BR>
30
<BR>
31
<BR>
32
<BR>
33
<BR>
34
<B>6.2 Stratix2</B><BR>
35
<BR>
36
Run Test Bench at 165MHz.<BR>
37
<IMG src="stratix2_gatesim.png" width="783" height="715" border="0"><BR>
38
<BR>
39
<BR>
40
<B>6.3 Cyclone</B><BR>
41
<BR>
42
Run test bench at 104MHz<BR>
43
<IMG src="cyclone_gate_sim.png" width="783" height="715" border="0"></P>
44
</BODY>
45
</HTML>

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.