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Honored Contributor I
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Warning (14130): Reduced register with stuck data_in port to GND

Hi, 

 

I am getting the warning of Reduced register with stuck data_in port to GND for both "rx_start" and rx_stop" registers. How to work around this. what is the issue ?  

 

--------------------------------------------------------------------------- 

always@ (posedge clk) 

begin 

if(~reset ) 

begin 

rx_start <= 1'b0; 

rx_stop <= 1'b0; 

end 

 

else 

begin 

rx_start <= (scl_in && pre_scl && ~sda_in && pre_sda); 

 

rx_stop <= (scl_in && pre_scl && sda_in && ~pre_sda); 

end 

end 

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