Spartan-3E FPGA: Mouse or Keyboard

Mouse/Keyboard and Pin out for Motherboard on Laptop with Y cable


Computer

Keyboard

Mouse

1

1

N/C

2

2

1

3

3

3

4

4

4

5

5

N/C

6

6

5

Figure 8-6 provides the UCF constraints for the PS/2 port connecting, including the I/O

pin assignment and the I/O standard used.

NET “PS2_CLK” LOC = “G14″ | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ;

NET “PS2_DATA” LOC = “G13″ | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW ;