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[/] [can/] [trunk/] [rtl/] [verilog/] [can_btl.v] - Diff between revs 87 and 88
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| Rev 87 |
Rev 88 |
| Line 48... |
Line 48... |
//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.19 2003/06/20 14:28:20 mohor
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// When hard_sync or resync occure we need to go to seg1 segment. Going to
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// sync segment is in that case blocked.
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//
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// Revision 1.18 2003/06/17 15:53:33 mohor
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// Revision 1.18 2003/06/17 15:53:33 mohor
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// clk_cnt reduced from [8:0] to [6:0].
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// clk_cnt reduced from [8:0] to [6:0].
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//
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//
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// Revision 1.17 2003/06/17 14:32:17 mohor
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// Revision 1.17 2003/06/17 14:32:17 mohor
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// Removed few signals.
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// Removed few signals.
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Line 251... |
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/* Changing states */
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/* Changing states */
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assign go_sync_unregistered = clk_en & (seg2 & (~hard_sync) & (~resync) & ((quant_cnt[2:0] == time_segment2)));
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assign go_sync_unregistered = clk_en & (seg2 & (~hard_sync) & (~resync) & ((quant_cnt[2:0] == time_segment2)));
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assign go_seg1 = clk_en_q & (sync | hard_sync | (resync & seg2 & sync_window) | (resync_latched & sync_window));
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assign go_seg1 = clk_en_q & ((sync & (~seg1)) | hard_sync | (resync & seg2 & sync_window) | (resync_latched & sync_window));
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assign go_seg2 = clk_en_q & (seg1 & (~hard_sync) & (quant_cnt == (time_segment1 + delay)));
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assign go_seg2 = clk_en_q & (seg1 & (~hard_sync) & (quant_cnt == (time_segment1 + delay)));
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always @ (posedge clk or posedge rst)
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always @ (posedge clk or posedge rst)
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begin
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begin
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if (rst)
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if (rst)
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go_sync <= 1'b0;
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go_sync <= 1'b0;
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else
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else
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go_sync <=#Tp go_sync_unregistered & (~hard_sync) & (~resync);
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go_sync <=#Tp go_sync_unregistered;
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end
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end
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/* When early edge is detected outside of the SJW field, synchronization request is latched and performed when
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/* When early edge is detected outside of the SJW field, synchronization request is latched and performed when
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SJW is reached */
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SJW is reached */
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