Chapter 3, Board layout – Lanner LEC-7950 User Manual
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Board Layout
Chapter 3
Embedded and Industrial Computing
MPCIE1: Mini-PCIe Connector with SIM Card Reader
Pin
signal
Pin
signal
1
WAKE#
2
VCC3.3
3
Reserved
4
GNd
5
Reserved
6
1.5V
7
CLKREQ#
8
UIM_PWR
9
GNd
10
UIM_dATA
11
REFCLK-
12
UIM_CLK
13
REFCLK+
14
UIM_REsET
15
GNd
16
UIM_VPP
17
Reserved (UIM_C8)
18
GNd
19
Reserved (UIM_C4)
20
ENABLE
21
GNd
22
PERsT#
23
PERn0
24
+3.3Vaux
25
PERp0
26
GNd
27
GNd
28
+1.5V
29
GNd
30
sMB_CLK
31
PETn0
32
sMB_dATA
33
PETp0
34
GNd
35
GNd
36
UsB_d-
37
Reserved
38
UsB_d+
39
Reserved
40
GNd
41
Reserved
42
Reserved
43
Reserved
44
Reserved
45
Reserved
46
Reserved
47
Reserved
48
+1.5V
49
Reserved
50
GNd
51
Reserved
52
+3.3V
MPCIE2: Half-size Mini-PCIe Connector
Pin
signal
Pin
signal
1
WAKE#
2
VCC3.3
3
Reserved
4
GNd
5
Reserved
6
1.5V
7
CLKREQ#
8
Reserved
9
GNd
10
Reserved
11
REFCLK-
12
Reserved
13
REFCLK+
14
Reserved
15
GNd
16
Reserved
17
Reserved (UIM_C8)
18
GNd
19
Reserved (UIM_C4)
20
ENABLE
21
GNd
22
PERsT#
23
PERn0
24
+3.3Vaux
25
PERp0
26
GNd
27
GNd
28
+1.5V
29
GNd
30
sMB_CLK
31
PETn0
32
sMB_dATA
33
PETp0
34
GNd
35
GNd
36
UsB_d-
37
Reserved
38
UsB_d+
39
Reserved
40
GNd
41
Reserved
42
Reserved
43
Reserved
44
Reserved
45
Reserved
46
Reserved
47
Reserved
48
+1.5V
49
Reserved
50
GNd
51
Reserved
52
+3.3V
Power-on Switch through a terminal block (J1): A
Phoenix connector for distant power switch.
J6: Audio Connector
1 2
Pin No.
Pin Name
1
BUTTON-
2
Ground
10
9
2
1
Pin No.
Pin Name
Pin No.
Pin Name
1
LINE_OUT_R2
2
LINE_OUT_L2
3
GNd_AUd
4
GNd_AUd
5
MIC_IN_R
6
MIC_IN_L
7
LINE_IN_R
8
LINE_IN_L
9
FRONT_OUT_R
10
FRONT_OUT_L