20
External Keyboard/PS2 Mouse Interface
The external keyboard/PS2 mouse interface connector has the following configuration:
Pin
Description
1
EKDA
2
EMDA
3
GND
4
VCC
5
EKCLK
6
EMCLK
7
GND
8
GND
9
GND
External USB (Universal Serial Bus) Interface
Port A:
Pin
Description
1
USB_VCCA
2
USBP0-
3
USBP0+
4
GND
Port B:
Pin
Description
1
USB_VCCB
2
USBP1-
3
USBP1+
4
GND