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authorJosh Blum <josh@joshknows.com>2012-02-04 15:12:03 -0800
committerJosh Blum <josh@joshknows.com>2012-02-04 15:12:03 -0800
commit89ce89c9aca6daf7e293b80c70e14a3e2710e137 (patch)
treeebb119eef9859fbbf81205ea3f4aa9f814c1ce51 /usrp2/top/B100
parent1b489be22ca07a949a9bea59f0040c0c3d770d8a (diff)
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b100: timing constraints on GPIF lines
Diffstat (limited to 'usrp2/top/B100')
-rw-r--r--usrp2/top/B100/timing.ucf9
1 files changed, 9 insertions, 0 deletions
diff --git a/usrp2/top/B100/timing.ucf b/usrp2/top/B100/timing.ucf
index b2a455f6d..96c47cf2c 100644
--- a/usrp2/top/B100/timing.ucf
+++ b/usrp2/top/B100/timing.ucf
@@ -3,3 +3,12 @@ TIMESPEC "TS_CLK_FPGA_P" = PERIOD "CLK_FPGA_P" 15625 ps HIGH 50 %;
NET "IFCLK" TNM_NET = "IFCLK";
TIMESPEC "TS_IFCLK" = PERIOD "IFCLK" 20833 ps HIGH 50 %;
+
+#constrain FX2 IO
+NET "GPIF_D<*>" MAXDELAY = 5.5 ns;
+NET "GPIF_CTL<*>" MAXDELAY = 5.5 ns;
+NET "GPIF_ADR<*>" MAXDELAY = 5.5ns;
+NET "GPIF_SLWR" MAXDELAY = 5.5 ns;
+NET "GPIF_SLRD" MAXDELAY = 5.5 ns;
+NET "GPIF_SLOE" MAXDELAY = 5.5 ns;
+NET "GPIF_PKTEND" MAXDELAY = 5.5 ns;