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| author | Josh Blum <josh@joshknows.com> | 2012-07-19 20:35:37 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2012-07-19 20:35:37 -0700 |
| commit | a8a02f97a89597aac8310dd1adff6909e62cb7b4 (patch) | |
| tree | 484f9c8f1e7e1547a22c5d8c53ecd92442e723df /usrp2/top/E1x0/timing.ucf | |
| parent | bd807be75170ef3b97264c3ac6b2693b6c6b2e13 (diff) | |
| download | uhd-a8a02f97a89597aac8310dd1adff6909e62cb7b4.tar.gz uhd-a8a02f97a89597aac8310dd1adff6909e62cb7b4.tar.bz2 uhd-a8a02f97a89597aac8310dd1adff6909e62cb7b4.zip | |
e100: tighten timing - less routing on EM_A
There were a few places it was ok to use addr over EM_A.
This makes routing sligtly easier for GPMC signals.
Diffstat (limited to 'usrp2/top/E1x0/timing.ucf')
| -rw-r--r-- | usrp2/top/E1x0/timing.ucf | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/usrp2/top/E1x0/timing.ucf b/usrp2/top/E1x0/timing.ucf index 6bd559426..7d3d9e090 100644 --- a/usrp2/top/E1x0/timing.ucf +++ b/usrp2/top/E1x0/timing.ucf @@ -14,7 +14,7 @@ INST "EM_NCS6" TNM = gpmc_net; INST "EM_NWE" TNM = gpmc_net; INST "EM_NOE" TNM = gpmc_net; -TIMEGRP "gpmc_net" OFFSET = IN 7 ns VALID 14 ns BEFORE "EM_CLK" FALLING; +TIMEGRP "gpmc_net" OFFSET = IN 6 ns VALID 12 ns BEFORE "EM_CLK" FALLING; TIMEGRP "gpmc_net_out" OFFSET = OUT 14 ns AFTER "EM_CLK" RISING; //2 clock cyc per read #constrain interrupt lines |