87
Appendix
●
Mouse connector
Pin no.
1
2
3
4
5
6
Signal name
DATA
NC
GND
VCC
CLK
NK
Direction
Input/output
–
–
–
Input/output
–
Description
Data
Not connected
Ground
Power supply
Clock
Not connected
6
4
2
5
3
1
●
Keyboard connector
Pin no.
1
2
3
4
5
6
Signal name
DATA
NC
GND
VCC
CLK
NK
Direction
Input/output
–
–
–
Input/output
–
Description
Data
Not connected
Ground
Power supply
Clock
Not connected
6
4
2
5
3
1
●
USB connector (SeriesA)
Pin no.
1
2
3
4
Signal name
VCC
–DATA
+DATA
GND
Direction
–
Input/output
Input/output
–
Description
Cable, power supply
–data signal
+data signal
Cable, ground
1 2 3 4