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authorJosh Blum <josh@joshknows.com>2012-02-17 16:55:59 -0800
committerJosh Blum <josh@joshknows.com>2012-02-17 16:55:59 -0800
commitace4489066d1621a09e70650a00d736f0b03ed8c (patch)
treef02b34b70da9e9beb0f34dc5e64d48daa5aa4bf6 /fpga/usrp2/top/B100/timing.ucf
parent8f8ac3397aaa85b64aaa8722efdc1c0c40e93052 (diff)
parent2e37dd87234e5beddd6f76fcda714916f761f812 (diff)
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Merge branch 'fpga_next' into next
Diffstat (limited to 'fpga/usrp2/top/B100/timing.ucf')
-rw-r--r--fpga/usrp2/top/B100/timing.ucf9
1 files changed, 9 insertions, 0 deletions
diff --git a/fpga/usrp2/top/B100/timing.ucf b/fpga/usrp2/top/B100/timing.ucf
index b2a455f6d..96c47cf2c 100644
--- a/fpga/usrp2/top/B100/timing.ucf
+++ b/fpga/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;