diff options
Diffstat (limited to 'fpga/usrp2/top/B100/timing.ucf')
| -rw-r--r-- | fpga/usrp2/top/B100/timing.ucf | 19 |
1 files changed, 19 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..c4404e1d0 --- /dev/null +++ b/fpga/usrp2/top/B100/timing.ucf @@ -0,0 +1,19 @@ +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 +INST "GPIF_D<*>" TNM = gpif_net_in; +INST "GPIF_CTL<*>" TNM = gpif_net_in; + +INST "GPIF_D<*>" TNM = gpif_net_out; +INST "GPIF_ADR<*>" TNM = gpif_net_out; +INST "GPIF_SLWR" TNM = gpif_net_out; +INST "GPIF_SLOE" TNM = gpif_net_out; +INST "GPIF_SLRD" TNM = gpif_net_out; +INST "GPIF_PKTEND" TNM = gpif_net_out; + +TIMEGRP "gpif_net_in" OFFSET = IN 7 ns VALID 14 ns BEFORE "IFCLK" RISING; +TIMEGRP "gpif_net_out" OFFSET = OUT 7 ns AFTER "IFCLK" RISING; |