miriac SBC-S32G-R3_User Manual
V 3.2
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© MicroSys Electronics GmbH 2021
6.5
PCIe Connections
6.5.1 Mini PCIe Slot (ST15)
There is one mini PCIe slot with USB support on the carrier.
Part Reference:
ST15
Manufacturer:
Tyco
Type:
2041119-1
Used with:
Half-size mini PCIe
cards are preferred
Broaching nuts for both half and full
size cards are placed on the carrier.
When full-size cards are used care
has to be taken to choose cards
that do not have parts on the
bottom side accidentally shorting
signals.
MicroSys recommends to use only
half-size cards with this slot!
Pin:
Pin:
1
WAKE#
➔
PU +3V3
+3.3V
2
3
COEX1
➔
nc
GND
4
5
COEX2
➔
nc
+1.5V
6
7
CLKREQ#
➔
nc
UIM-PWR
➔
nc
8
9
GND
UIM-DAT
➔
nc
10
11
REFCLK-
UIM-CLK
➔
nc
12
13
UIM-RST
➔
nc
14
15
GND
UIM-VPP
➔
nc
16
MECHANICAL KEY
17
Reserved
➔
nc
GND
18
19
Reserved
➔
nc
WDIS#
➔
nc
20
21
GND
PERST#
22
23
PER0- = PCIE0_RX0_N
+3.3V
24
25
PER0+ = PCIE0_RX0_P
GND
26
27
GND
+1.5V
28
29
GND
SMB-CLK = I2C1_SCL_PCIE1
30
31
PET0- = PCIE0_TX0_N
SMB-DAT = I2C1_SDA_PCIE1
32
33
PET0+ = PCIE0_TX0_P
GND
34
35
GND
USB-D- = USB2_D_N
36
37
GND
USB-D+ = USB2_D_P
38
39
+3.3V
GND
40
