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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