diff options
Diffstat (limited to 'fpga/usrp3/top/x300/x300_aurora.xdc')
| -rw-r--r-- | fpga/usrp3/top/x300/x300_aurora.xdc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fpga/usrp3/top/x300/x300_aurora.xdc b/fpga/usrp3/top/x300/x300_aurora.xdc new file mode 100644 index 000000000..7b524a5be --- /dev/null +++ b/fpga/usrp3/top/x300/x300_aurora.xdc @@ -0,0 +1,16 @@ +# +# Copyright 2016 Ettus Research LLC +# + +set_property PACKAGE_PIN R8 [get_ports XG_CLK_p] +set_property PACKAGE_PIN R7 [get_ports XG_CLK_n] + +#IOSTANDARD not required because this is a GT terminal +#set_property IOSTANDARD LVDS_25 [get_ports {XG_CLK_*}] + +create_clock -name AUR_CLK -period 6.400 -waveform {0.000 3.200} [get_ports XG_CLK_p] +create_generated_clock -name aurora_init_clk [get_pins -hierarchical -filter {NAME =~ "*aurora_clk_gen_i/dclk_divide_by_2_buf/O"}] + +set_clock_groups -asynchronous -group [get_clocks bus_clk] -group [get_clocks aurora_init_clk] + +set_false_path -to [get_pins -hierarchical -filter {NAME =~ "*sfpp_io_*/*/rst_sync_sys_rst_i/*aurora_64b66b_pcs_pma_cdc_to_reg/D"}]
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