From 89ce89c9aca6daf7e293b80c70e14a3e2710e137 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Sat, 4 Feb 2012 15:12:03 -0800 Subject: b100: timing constraints on GPIF lines --- usrp2/top/B100/timing.ucf | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'usrp2') 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; -- cgit v1.2.3