PS/2 Keyboard/Mouse

PS/2 is a serial protocol used for communication between a computer and a keyboard and mouse. While PS/2 has been largely replaced by USB in consumer applications, it is very easy to interface with a microcontroller.

Top Resources

• Wikipedia
• What is PS/2

Example PS/2 Parts

• PS/2 Keyboard to USB
• MiniDIN Breakout
• PS/2 Counter

What Logic Decodes

• Start Bit
• Command Byte
• ACK Bit
• Parity Bit
• Stop Bit
• ACK Bit