@W: MT246 :"d:\gw_i2c_slave\src\gowin_pll\gowin_pll.v":21:4:21:11|Blackbox PLL is missing a user supplied timing model. This may have a negative effect on timing analysis and optimizations (Quality of Results)
@W: MT420 |Found inferred clock Gowin_PLL|clkout_inferred_clock with period 11.96ns. Please declare a user-defined clock on net your_instance_name.clkout_50m.
