foft Posted March 27, 2015 Report Share Posted March 27, 2015 If I use PS2 port one on the classic computing shield it works, but eventually the lights on my keyboard start flashing. I'm using the port purely as an input from the FPGA.PS2_CLK1 : IN STD_LOGIC;PS2_DAT1 : IN STD_LOGIC; I do not have this issue with PS2_CLK2/PS2_DAT2, so will use them for now. I see the pins are shared with the arduino so I guess that is related. In my vhdl code I'm holding the arduino in reset with:ARDUINO_RESET <= '0'; Is there a workaround for this? I guess I should take the arduino out of reset them upload some code to it to ensure these pins are high impedance? Quote Link to comment Share on other sites More sharing options...
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