URL https://opencores.org/ocsvn/w11/w11/trunk

Subversion Repositories w11

[/] [w11/] [tags/] [w11a_V0.6/] [rtl/] [bplib/] [nexys3/] [nexys3_time_fx2_ic.ucf] - Diff between revs 18 and 22

Rev 18	Rev 22
Line 1...	Line 1...
`## $Id: nexys3_time_fx2_ic.ucf 448 2012-01-02 21:55:11Z mueller $`	`## $Id: nexys3_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`
`## 2012-01-01 448 1.0 Initial version`	`## 2012-01-01 448 1.0 Initial version`
`##`	`##`
`## 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`
Line 11...	Line 12...
`## --> 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 BEFORE "I_FX2_IFCLK";`	`OFFSET = IN 2 ns VALID 33 ns BEFORE "I_FX2_IFCLK";`
`OFFSET = OUT 10 ns AFTER "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";`	`OFFSET = OUT 10 ns VALID 33 ns AFTER "I_FX2_IFCLK";`