fabian,

I have tested your solution, but the get_time_last_pps always gives me the 
expect value.



Daniel, On a different point, the issue might be related to timing, here are 
some examples of  timing related to the DACs. The compilation is successful but 
the margin is very low, in the 10 ps order.




Startpoint                     Endpoint                       Slack(ns)
----------------------------------------------------------------------------
gen_db1/gen_pins[2].oddr/C     DB1_DAC_D2_N                   0.016
gen_db1/gen_pins[2].oddr/C     DB1_DAC_D2_P                   0.016
gen_db1/gen_pins[7].oddr/C     DB1_DAC_D7_N                   0.021
gen_db1/gen_pins[7].oddr/C     DB1_DAC_D7_P                   0.021
gen_db1/gen_pins[3].oddr/C     DB1_DAC_D3_N                   0.024
gen_db1/gen_pins[3].oddr/C     DB1_DAC_D3_P                   0.024



gen_db0/gen_pins[2].oddr/C     DB0_DAC_D2_N                   0.066
gen_db0/gen_pins[2].oddr/C     DB0_DAC_D2_P                   0.066
gen_db0/gen_pins[0].oddr/C     DB0_DAC_D0_N                   0.071
gen_db0/gen_pins[0].oddr/C     DB0_DAC_D0_P                   0.071
gen_db0/oddr_frame/C           DB0_DAC_FRAME_N                0.075
gen_db0/oddr_frame/C           DB0_DAC_FRAME_P                0.075
gen_db0/gen_pins[3].oddr/C     DB0_DAC_D3_N                   0.080
gen_db0/gen_pins[3].oddr/C     DB0_DAC_D3_P                   0.080
gen_db0/gen_pins[1].oddr/C     DB0_DAC_D1_N                   0.085
gen_db0/gen_pins[1].oddr/C     DB0_DAC_D1_P                   0.085



Best Regards

Cherif
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