root / usrp2 / top / E1x0 / timing.ucf @ c7adcbe4
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NET "CLK_FPGA_P" TNM_NET = "CLK_FPGA_P"; |
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TIMESPEC "TS_clk_fpga_p" = PERIOD "CLK_FPGA_P" 15625 ps HIGH 50 %; |
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NET "EM_CLK" TNM_NET = "EM_CLK"; |
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TIMESPEC "TS_em_clk" = PERIOD "EM_CLK" 12048 ps HIGH 50 %; |
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#constrain GPMC IO |
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NET "EM_D<*>" MAXDELAY = 5.5 ns; |
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NET "EM_A<*>" MAXDELAY = 5.5 ns; |
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NET "EM_NBE<*>" MAXDELAY = 5.5 ns; |
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NET "EM_NCS4" MAXDELAY = 5.5 ns; |
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NET "EM_NCS6" MAXDELAY = 5.5 ns; |
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NET "EM_NWE" MAXDELAY = 5.5 ns; |
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NET "EM_NOE" MAXDELAY = 5.5 ns; |
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#constrain interrupt lines |
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NET "overo_gpio144" MAXDELAY = 5.5 ns; #have space |
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NET "overo_gpio146" MAXDELAY = 5.5 ns; #have data |
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NET "overo_gpio147" MAXDELAY = 5.5 ns; #have msg/aux spi miso |
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#NET "adc_a<*>" TNM_NET = ADC_DATA_GRP; |
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#NET "adc_b<*>" TNM_NET = ADC_DATA_GRP; |
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#TIMEGRP "ADC_DATA_GRP" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING; |
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#NET "adc_a<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING; |
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#NET "adc_b<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING; |