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[/] [w11/] [tags/] [w11a_V0.74/] [rtl/] [sys_gen/] [tst_serloop/] [nexys3/] [sys_tst_serloop2_n3.ucf_cpp] - Rev 38
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## $Id: sys_tst_serloop2_n3.ucf_cpp 441 2011-12-20 17:01:16Z mueller $
##
## Revision History:
## Date Rev Version Comment
## 2011-12-11 438 1.0.1 temporarily use with ser=usr=100 MHz
## 2011-11-27 433 1.0 Initial version
##
NET "I_CLK100" TNM_NET = "I_CLK100";
TIMESPEC "TS_I_CLK100" = PERIOD "I_CLK100" 10.0 ns HIGH 50 %;
OFFSET = IN 10 ns BEFORE "I_CLK100";
OFFSET = OUT 20 ns AFTER "I_CLK100";
## rules to prevent default 'cross clock' constraints for the dcm generated
## clocks CLK(150 MHz) and CLKS(60 MHz). All essential domain crossing done
## via fifo's or dedicated capture/synch flops.
##NET "CLK" TNM_NET = "CLK";
##NET "CLKS" TNM_NET = "CLKS";
##TIMESPEC "TS_CDC_CLK_CLKS" = FROM "I_CLK100" TO "CLKS" 10 ns;
##TIMESPEC "TS_CDC_CLK_CLKS" = FROM "CLK" TO "CLKS" 10 ns;
##TIMESPEC "TS_CDC_CLKS_CLK" = FROM "CLKS" TO "I_CLK100" 10 ns;
## std board
##
#include "bplib/nexys3/nexys3_pins.ucf"
##
## Pmod B0 - RS232
##
#include "bplib/nexys3/nexys3_pins_pmb0_rs232.ucf"