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[/] [w11/] [tags/] [w11a_V0.74/] [rtl/] [vlib/] [cdclib/] [cdc_pulse.xdc] - Rev 36
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# -*- tcl -*-
# $Id: cdc_pulse.xdc 757 2016-04-02 11:19:06Z mueller $
#
# Copyright 2016- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
# License disclaimer see LICENSE_gpl_v2.txt in $RETROBASE directory
#
# cdc constraints for cdc_pulse
#
# Revision History:
# Date Rev Version Comment
# 2016-03-28 756 1.0 Initial version
#
set clkm [get_clocks -of_objects [get_cells RM_ACK_S0_reg]]
set clks [get_clocks -of_objects [get_cells RS_REQ_S0_reg]]
#
# CLKM->CLKS
# capture REQ
set_max_delay \
-from [get_cells -regexp "RM_REQ_reg"] \
-to [get_cells -regexp "RS_REQ_S0_reg"] \
-datapath_only [get_property -min PERIOD $clks]
#
# CLKS->CLKM
# capture ACK
set_max_delay \
-from [get_cells -regexp "RS_REQ_S1_reg"] \
-to [get_cells -regexp "RM_ACK_S0_reg"] \
-datapath_only [get_property -min PERIOD $clkm]
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