summaryrefslogtreecommitdiffstats
path: root/usrp2/top/E1x0/timing.ucf
blob: f946854384907abc1ead7584f2f9534663bd12ff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
NET "CLK_FPGA_P" TNM_NET = "CLK_FPGA_P";
TIMESPEC "TS_clk_fpga_p" = PERIOD "CLK_FPGA_P" 15625 ps HIGH 50 %;

NET "EM_CLK" TNM_NET = "EM_CLK";
TIMESPEC "TS_em_clk" = PERIOD "EM_CLK" 12048 ps HIGH 50 %;

#constrain GPMC IO
NET "EM_D<*>" MAXDELAY = 5 ns;
NET "EM_A<*>" MAXDELAY = 5 ns;
NET "EM_NBE<*>" MAXDELAY = 5 ns;
NET "EM_NCS4" MAXDELAY = 5 ns;
NET "EM_NCS6" MAXDELAY = 5 ns;
NET "EM_NWE" MAXDELAY = 5 ns;
NET "EM_NOE" MAXDELAY = 5 ns;

#constrain interrupt lines
NET "overo_gpio144" MAXDELAY = 5 ns; #have space
NET "overo_gpio146" MAXDELAY = 5 ns; #have data
NET "overo_gpio147" MAXDELAY = 5 ns; #have msg/aux spi miso

#NET "adc_a<*>" TNM_NET = ADC_DATA_GRP;
#NET "adc_b<*>" TNM_NET = ADC_DATA_GRP;
#TIMEGRP "ADC_DATA_GRP" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING;

#NET "adc_a<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING;
#NET "adc_b<*>" OFFSET = IN 1 ns VALID 5 ns BEFORE "clk_fpga_p" RISING;