Low Speed Io Connector (Cn3) - AXIOMTEK PICO300 User Manual

A.18.2

Low Speed IO Connector (CN3)

This is a 39-pin connector which is compliant with AMP 4-1734507-0 for low speed
signal interface consisting of a set of HD Audio, four USB 2.0 ports, power/reset button
and power/HDD LED indicator signals.
Pin Signal
1 MIC
3 LINE_IN_L
5 LINE_IN_R
7 AUDIO_GND
9 GND
USB_VCC
11
(+5V level )
13 USB_Data0-
15 USB_Data0+
17 GND
19 GND
USB_VCC
21
(+5V level )
23 USB_Data2-
25 USB_Data2+
27 GND
29 GND
31 +V5S
33 HW_RESET#
35 +V5S
37 HDD_LED
39 GND
I/O Boards (Optional)
Pin Signal
2 LINE_OUT_L
4 LINE_OUT_R
6 AUDIO_GND
8 GND
10 GND
USB_VCC
12
(+5V level )
14 USB_Data1-
16 USB_Data1+
18 GND
20 GND
USB_VCC
22
(+5V level )
24 USB_Data3-
26 USB_Data3+
28 GND
30 GND
32 SIO_PSIN#
34 GND
36 NA
38 NA
PICO300 Pico-ITX Board
2
1
38
39
81