URL
https://opencores.org/ocsvn/w11/w11/trunk
[/] [w11/] [tags/] [w11a_V0.6/] [rtl/] [bplib/] [atlys/] [atlys_time_fx2_ic.ucf] - Diff between revs 22 and 24
Only display areas with differences |
Details |
Blame |
View Log
Rev 22 |
Rev 24 |
## $Id: atlys_time_fx2_ic.ucf 537 2013-10-06 09:06:23Z mueller $
|
## $Id: atlys_time_fx2_ic.ucf 537 2013-10-06 09:06:23Z mueller $
|
##
|
##
|
## Revision History:
|
## Revision History:
|
## Date Rev Version Comment
|
## Date Rev Version Comment
|
## 2013-10-05 537 1.1 add VALID for hold time check
|
## 2013-10-05 537 1.1 add VALID for hold time check
|
## 2013-01-05 471 1.0 Initial version (copied from nexys3)
|
## 2013-01-05 471 1.0 Initial version (copied from nexys3)
|
##
|
##
|
## timing rules for a 30 MHz internal clock design:
|
## timing rules for a 30 MHz internal clock design:
|
## Period: 30 MHz
|
## Period: 30 MHz
|
## clk->out: longest setup time in FX2 is t_SRD (clk->SLRD) of 18.7 ns
|
## clk->out: longest setup time in FX2 is t_SRD (clk->SLRD) of 18.7 ns
|
## clk->out < 33.3-18.7 = 14.6 ns
|
## clk->out < 33.3-18.7 = 14.6 ns
|
## --> use 10 ns
|
## --> use 10 ns
|
##
|
##
|
|
|
NET "I_FX2_IFCLK" TNM_NET = "I_FX2_IFCLK";
|
NET "I_FX2_IFCLK" TNM_NET = "I_FX2_IFCLK";
|
TIMESPEC "TS_I_FX2_IFCLK" = PERIOD "I_FX2_IFCLK" 33.34 ns HIGH 50 %;
|
TIMESPEC "TS_I_FX2_IFCLK" = PERIOD "I_FX2_IFCLK" 33.34 ns HIGH 50 %;
|
OFFSET = IN 2 ns VALID 33 ns BEFORE "I_FX2_IFCLK";
|
OFFSET = IN 2 ns VALID 33 ns BEFORE "I_FX2_IFCLK";
|
OFFSET = OUT 10 ns VALID 33 ns AFTER "I_FX2_IFCLK";
|
OFFSET = OUT 10 ns VALID 33 ns AFTER "I_FX2_IFCLK";
|
|
|
© copyright 1999-2024
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.