Chapter 2 Installation
12
EC41812CLDNA
Pin
Signal Name
Pin
Signal Name
1
+5V
5
GND
2
+5V
6
GND
3
+5V
7
GND
PWR1
4
GND
8
NC
Audio Interface
AUDIO1 is a 2×5Pin (2.0mm) audio device pin and the transfer cable is required to
connect the interface signals to the standard socket. The table below shows the pin
definitions of the interface.
Multifunction Interface
J1 is a 2×5Pin (2.0mm) device pin; it is a multifunction interface and used to connect
with keyboard, mouse, buzzer and RESET; the transfer cable is required to connect
the interface signals to the standard socket. The table below shows the pin definitions
of the interface.
Pin
Signal Name
Pin
Signal Name
1
SPEAK
2
+5V
3
RESET
4
GND
5
Keyboard Data
6
Keyboard Clock
7
GND
8
Mouse Clock
J1
9
+5V
10
Mouse Data
Pin
Signal Name
Pin
Signal Name
1
LOUT_R
2
LOUT_L
3
GND_AUDIO
4
GND_AUDIO
5
LIN_R
6
LIN_L
7
GND_AUDIO
8
GND_AUDIO
AUDIO1
9
MIC_L
10
MIC_R