| Line 40... |
Line 40... |
//////////////////////////////////////////////////////////////////////
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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 1.2 2003/03/26 13:16:18 mihad
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// Added the reset value parameter to the synchronizer flop module.
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// Added resets to all synchronizer flop instances.
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// Repaired initial sync value in fifos.
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//
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// Revision 1.1 2003/01/27 16:49:31 mihad
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// Revision 1.1 2003/01/27 16:49:31 mihad
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// Changed module and file names. Updated scripts accordingly. FIFO synchronizations changed.
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// Changed module and file names. Updated scripts accordingly. FIFO synchronizations changed.
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//
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//
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// Revision 1.1 2002/02/01 14:43:31 mihad
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// Revision 1.1 2002/02/01 14:43:31 mihad
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// *** empty log message ***
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// *** empty log message ***
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| Line 99... |
Line 104... |
end
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end
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end
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end
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assign block_set_out = del_bit;
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assign block_set_out = del_bit;
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// interemediate stage to clk synchronization flip - flops - this ones are prone to metastability
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// interemediate stage to clk synchronization flip - flops - this ones are prone to metastability
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synchronizer_flop #(1, 0) delete_sync
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pci_synchronizer_flop #(1, 0) delete_sync
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(
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(
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.data_in (del_bit),
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.data_in (del_bit),
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.clk_out (set_clk_in),
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.clk_out (set_clk_in),
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.sync_data_out (meta_del_bit),
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.sync_data_out (meta_del_bit),
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.async_reset (reset_in)
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.async_reset (reset_in)
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| Line 128... |
Line 133... |
end
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end
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assign delete_set_out = !delayed_del_bit && sync_del_bit;
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assign delete_set_out = !delayed_del_bit && sync_del_bit;
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// interemediate stage to clk synchronization flip - flops - this ones are prone to metastability
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// interemediate stage to clk synchronization flip - flops - this ones are prone to metastability
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synchronizer_flop #(1, 0) clear_delete_sync
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pci_synchronizer_flop #(1, 0) clear_delete_sync
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(
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(
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.data_in (sync_del_bit),
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.data_in (sync_del_bit),
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.clk_out (delete_clk_in),
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.clk_out (delete_clk_in),
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.sync_data_out (meta_bckp_bit),
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.sync_data_out (meta_bckp_bit),
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.async_reset (reset_in)
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.async_reset (reset_in)
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