65
●
USB connector (SeriesA)
Pin no.
Signal name
Direction
Description
1
VCC
–
Cable, power supply
2
-DATA
Input/output
- data signal
3
+DATA
Input/output
+ data signal
4
GND
–
Cable, ground
1 2 3 4
●
Keyboard connector
Pin no.
Signal name
Direction
Description
1
DATA
Input/output
Data
2
NC
–
Not connected
3
GND
–
Ground
4
VCC
–
Power supply
5
CLK
Input/output
Clock
6
NK
–
Not connected
6
4
2
5
3
1
Pin no.
Signal name
Direction
Description
1
DATA
Input/output
Data
2
NC
–
Not connected
3
GND
–
Ground
4
VCC
–
Power supply
5
CLK
Input/output
Clock
6
NK
–
Not connected
6
4
2
5
3
1
●
Mouse connector