ROHS ITX-i2705, User Manual

Page: 32 / 84

- 25 -
Installation
- 25 -
AC1: HD AUDIO daughterboard Connector
The onboard audio connector can connect to an optional audio kit through an
onboard audio connector. The codec on the optional audio kit is connected to
the ALC888 audio controller through the High Definition audio interface.
Connector type: 2.00mm pitch 1x9 box wafer connector.
Pin Descrip-
tion
1
2
3
4
5
6
7
8
9
1 +12V
2 +3.3V
3 AC_SYNC
4 AC_SD-
OUT
5 GND
6 AC-BCLK
7 GND
8 AC_RST#
9 AC_SDIN0
LVDS1
1
1 4
4
5 1
1
1
1
1
1
1 1
3
3
4
4
2
1
1
2 30
29
1 1
1
1
43
44
1
1
5 6
2
1
1
2 3
4
1
2
1
1
1
2
1
2
19
20
26
25
2
1
2
9
10
9
10
1
2
9
10
4
1
2
1
51
1
2
1
1
1
2
7
8
5
6
1
2
5
6
1
2
1
1 1
2
9
10
5
6
1
2
5
6
1
2
5
6
1
2
5
6
AC1
30 9
AUDIO1: AUDIO Connector
Connect a tape player or another
audio source to the light blue Line-
in connector to record audio on your
computer or to play audio through your
computer’s sound chip and speakers.
Connect a micro-phone to the pink
microphone connector to record audio
to your computer.
Connector type:
2.00mm pitch 2x5-pin box headers.
Pin Description Pin Description
1 2
9 10
1 Line-in Left 2 Line-in Right
3 GND 4 GND
5 MIC 6 N/C
7 GND 8 GND
9 Speaker Left 10 Speaker Right
LVDS1
1
1 4
4
5 1
1
1
1
1
1
1 1
3
3
4
4
2
1
1
2 30
29
1 1
1
1
43
44
1
1
5 6
2
1
1
2 3
4
1
2
1
1
1
2
1
2 19
20
26
25
2
1
2
9
10
9
10
1
2
9
10
4
1
2
1
51
1
2
1
1
1
2
7
8
5
6
1
2
5
6
1
2
1
1
1
2
9
10
5
6
1
2
5
6
1
2
5
6
1
2
5
6
AUDIO1
31