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authorMatt Ettus <matt@ettus.com>2011-09-02 15:38:15 -0700
committerMatt Ettus <matt@ettus.com>2011-09-02 15:38:15 -0700
commit022466717105d1140720035408a359f4a0ffcfd9 (patch)
treee7460be20ad1eeae33e163fc6af612ba23ffc3d8
parent7e23f987549f0a0192a75d22c2619f8ae5c91d77 (diff)
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u1e: relax GPMC constraints, eases P&R
-rw-r--r--usrp2/top/E1x0/timing.ucf20
1 files changed, 10 insertions, 10 deletions
diff --git a/usrp2/top/E1x0/timing.ucf b/usrp2/top/E1x0/timing.ucf
index f94685438..47c250c2f 100644
--- a/usrp2/top/E1x0/timing.ucf
+++ b/usrp2/top/E1x0/timing.ucf
@@ -6,18 +6,18 @@ NET "EM_CLK" TNM_NET = "EM_CLK";
TIMESPEC "TS_em_clk" = PERIOD "EM_CLK" 12048 ps HIGH 50 %;
#constrain GPMC IO
-NET "EM_D<*>" MAXDELAY = 5 ns;
-NET "EM_A<*>" MAXDELAY = 5 ns;
-NET "EM_NBE<*>" MAXDELAY = 5 ns;
-NET "EM_NCS4" MAXDELAY = 5 ns;
-NET "EM_NCS6" MAXDELAY = 5 ns;
-NET "EM_NWE" MAXDELAY = 5 ns;
-NET "EM_NOE" MAXDELAY = 5 ns;
+NET "EM_D<*>" MAXDELAY = 5.5 ns;
+NET "EM_A<*>" MAXDELAY = 5.5 ns;
+NET "EM_NBE<*>" MAXDELAY = 5.5 ns;
+NET "EM_NCS4" MAXDELAY = 5.5 ns;
+NET "EM_NCS6" MAXDELAY = 5.5 ns;
+NET "EM_NWE" MAXDELAY = 5.5 ns;
+NET "EM_NOE" MAXDELAY = 5.5 ns;
#constrain interrupt lines
-NET "overo_gpio144" MAXDELAY = 5 ns; #have space
-NET "overo_gpio146" MAXDELAY = 5 ns; #have data
-NET "overo_gpio147" MAXDELAY = 5 ns; #have msg/aux spi miso
+NET "overo_gpio144" MAXDELAY = 5.5 ns; #have space
+NET "overo_gpio146" MAXDELAY = 5.5 ns; #have data
+NET "overo_gpio147" MAXDELAY = 5.5 ns; #have msg/aux spi miso
#NET "adc_a<*>" TNM_NET = ADC_DATA_GRP;
#NET "adc_b<*>" TNM_NET = ADC_DATA_GRP;