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17
MIC1
Pin
Signal
Description
Pin
Signal
Description
1
MIC1P
Command signal
2
MIC1N
Ground
Note: 1. If insert HDMI, The audio default output from HDMI, the headphone not voice. Plug out the HDMI
cable the headphone output audio.
2. If insert line in cable, the line in port default record. Plug out the line in cable the MIC1 record.
2.8 VGA (J20)
EM3288 adopts standard 15-pin female VGA connector, and SDA7123 3-Channel 10 Digit Video D/A
converter.
The VGA function default is not supported.
Pin
Signal
Description
Pin
Signal
Description
1
NC
Not connect
2
TXD3
Transmit Data
3
RXD3
Receive Data
4
NC
Not connect
5
GND
Ground
6
NC
Not connect
7
RTSn3
Request To Send
8
CTSn3
Clear To Send
9
NC
Not connect
10
GND
Ground
11
GND
Ground
12
VGA_OUT_SDA
Serial Data
13
LCD_HSYNC
LCD Horizontal Sync
14
LCD_VSYNC
LCD Vertical Sync
15
VGA_OUT_SCL
VGA_OUT Data
Clock
16
GND
Ground
17
GND
Ground
2.9 LVDS (CON3)
The LVDS is a 40-pin header connector. EM3288 supports 10.1-inch HD capacitive LCD. The resolution
up to 1280 x 800.