aboutsummaryrefslogtreecommitdiffstats
path: root/fpga/usrp2/top/B100/timing.ucf
diff options
context:
space:
mode:
Diffstat (limited to 'fpga/usrp2/top/B100/timing.ucf')
-rw-r--r--fpga/usrp2/top/B100/timing.ucf14
1 files changed, 14 insertions, 0 deletions
diff --git a/fpga/usrp2/top/B100/timing.ucf b/fpga/usrp2/top/B100/timing.ucf
new file mode 100644
index 000000000..96c47cf2c
--- /dev/null
+++ b/fpga/usrp2/top/B100/timing.ucf
@@ -0,0 +1,14 @@
+NET "CLK_FPGA_P" TNM_NET = "CLK_FPGA_P";
+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;