User’s Manual
38
ROBO-503/ROBO-503N User’s Manual
3.7.31 Keyboard and PS/2 Mouse Connector (CN13)
Signal
PIN
Signal
MCLK
6
5
KCLK
VCC
4
3
GND
MDAT
2
1
KDAT
3.7.32 Signal Description – Keyboard & PS/2 Mouse Connectors (CN13)
KCLK
Bi-directional clock signal used to strobe data/commands from/to the PC-AT keyboard.
KDAT
Bi-directional serial data line used to transfer data from or commands to the PC-AT keyboard.
MCLK
Bi-directional clock signal used to strobe data/commands from/to the PS/2 mouse.
MDAT
Bi-directional serial data line used to transfer data from or commands to the PS/2 mouse.