12/31/2022 0 Comments Ps2 scan codes![]() ![]() I also tried an Arduino, but the result was similar. I connect data and clock directly to the scope. I am using the FPGA's 5 V pins only to power up the keyboard. What I don't understand is why I keep getting this code and if there is a way to avoid it. If everything goes well, the keyboard should send a single 0xAA code to indicate a successful POST operation. I read here that the LEDs flash during the POST routine. This is happening immediately after the LEDs flash. I am not able to see any other code, no matter what key I press. Unfortunately, what I get is a flow of continuous 0xAA codes. The keyboard is a Perixx PERIBOARD-409P.Īfter a bit of reading, I hooked up the keyboard to a scope to verify its correct behaviour. In my quest to build my first CPU, I am trying to hook up a PS/2 keyboard to my FPGA. ![]()
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