diff options
Diffstat (limited to 'fpga/usrp2/top/B100/timing.ucf')
| -rw-r--r-- | fpga/usrp2/top/B100/timing.ucf | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/fpga/usrp2/top/B100/timing.ucf b/fpga/usrp2/top/B100/timing.ucf index 96c47cf2c..7b212a9a6 100644 --- a/fpga/usrp2/top/B100/timing.ucf +++ b/fpga/usrp2/top/B100/timing.ucf @@ -5,10 +5,20 @@ 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; +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 5 ns VALID 10 ns BEFORE "IFCLK" RISING; +TIMEGRP "gpif_net_out" OFFSET = OUT 7 ns AFTER "IFCLK" RISING; + +TIMESPEC TS_Pad2Pad = FROM PADS TO PADS 7 ns; + +NET PPS_IN TIG; +NET debug_led* TIG; |