Keyboard & Mouse Connector (Jkb/Ms); Signal Description - Ps/2 Keyboard & Mouse Connector (Kb1) - Avalue Technology ECM-945GSE User Manual

2.4.18 Keyboard & mouse connector (JKB/MS)
2.4.18.1 Signal Description – PS/2 Keyboard & Mouse Connector (KB1)
Signal
KCLK Bi-directional clock signal used to strobe data/commands from/to the PC-AT keyboard.
Bi-directional serial data line used to transfer data from or commands to the PC-AT
KDAT
keyboard.
MCLK Bi-directional clock signal used to strobe data/commands from/to the PS/2 mouse.
Bi-directional serial data line used to transfer data from or commands to the PS/2
MDAT
mouse.
Signal
MCK
VDD
KCK
Signal Description
ECM-945GSE User's Manual 39
User's Manual
PIN PIN Signal
7 NC
6 5 MDT
4 3 GND
2 1 KDT