I2C Connector (Cn17); Full-Size Pci-Express Mini Card And Msata Connector (Scn1) - AXIOMTEK PICO512 User Manual

PICO512 Pico-ITX Board
2.5.15

I2C Connector (CN17)

This is a 3-pin (pitch=1.25mm) wafer connector. The I2C is a simple bus for the purpose
of lightweight communication.
Pin
1
2
3
2.5.16 Full-size PCI-Express Mini Card and mSATA Connector
(SCN1)
This is a full-size PCI-Express Mini Card connector on the bottom side complying with
PCI-Express Mini Card Spec. V1.2. It supports either PCI-Express, USB 2.0 or SATA
(mSATA). To enable or disable mSATA support, please refer to BIOS setting in section
4.4.
Pin Signal
1 WAKE#
3 No use
5 No use
7 CLKREQ#
9 GND
11 REFCLK-
13 REFCLK+
15 GND
17 No use
19 No use
21 GND
23 PE_RXN/SATA_RXP
25 PE_RXP/SATA_RXN
27 GND
29 GND
31 PE_TXN/SATA_TXN
33 PE_TXP/SATA_TXP
35 GND
37 GND
39 +V3.3_SBY
41 +V3.3_SBY
43 GND
45 No use
47 No use
49 No use
51 No use
22
Signal
I2C_CLK_SBY
I2C_DAT_SBY
GND
Pin Signal
2 +V3.3_SBY
4 GND
6 +1.5V
8 No use
10 No use
12 No use
14 No use
16 No use
18 GND
20 W_DISABLE#
22 PERST#
24 +V3.3_SBY
26 GND
28 +1.5V
30 SMB_CLK
32 SMB_DATA
34 GND
36 USB_D4-
38 USB_D4+
40 GND
42 No use
44 No use
46 No use
48 +1.5V
50 GND
52 +V3.3_SBY
Board and Pin Assignments