Chapter 3, Board layout – Lanner LVC-5550S User Manual
Page 18
18
Board Layout
Chapter 3
Embedded and Industrial Computing
Power button (PSBTN1): power button with dual LED
which behaves like:
Red: System standby
Green: System power-on
Power LED and HDD LED (LED1): Power LED is in green
color while HDD LED is in yellow color.
3G voice MIC-in and EAR-out Connector (3GAUDC1)
System Reset Button (RSTSW1)
3G and Wi-Fi LED (LED2)
18-bits LVDS Connector with USB signal and power but-
ton (LVDSC1)
PIN NO. DESCRIPTION
PIN NO. DESCRIPTION
1
GND
14
LVDS_TX0_DP
2
GND
15
LVDS_TX0_DN
3
Power button
16
BKLT_ON
4
LVDS_TX1_DP 17
GND
5
LVDS_TX1_DN 18
Power status (PU5V)
6
LVDS_TX2_DP 19
GND
7
LVDS_TX2_DN 20
USB_P4_DP
PIN NO. DESCRIPTION
PIN NO. DESCRIPTION
8
GND
21
USB_P4_DN
9
+12V
22
LVDS_CLK_DP
10
GND
23
LVDS_CLK_DN
11
+12V
24
+12V
12
LVDS_TX3_DP 25
GND
13
LVDS_TX3_DN 26
LVDS_VEN
Mini Card Connector(MCARD1) for USB type PCIe
connector: for connecting with the 3G module with the
external SIM card (SIM1). This connector also supports
3G voice service. Recommended 3G module: Sierra
MC8090/8092 with power voltage 3.6V.
PIN
DESCRIPTION
PIN
DESCRIPTION
1
NC
2
+3.6V / +3.3V
3
NC
4
Ground
5
NC
6
NC
7
NC
8
USIM_PWR
9
Ground
10
USIM_DATA
11
NC
12
USIM_CLK
13
NC
14
UIM_RESET
15
Ground
16
NC
KEY
KEY
17
NC
18
Ground
19
NC
20
W_DISABLE#
21
GND
22
NC
23
NC
24
+3.6V / +3.3V
25
NC
26
Ground
27
Ground
28
NC
29
Ground
30
NC
31
NC
32
WAKE_N
33
RESET_N
34
Ground
35
Ground
36
USB_D-
37
Ground
38
USB_D+
39
+3.6V / +3.3V
40
Ground
41
+3.6V / +3.3V
42
LED_WWAN#
43
Ground
44
GPIO1
45
PCM_CLK
46
GPIO3
47
PCM_DIN
48
GPIO2
49
PCM_OUT
50
Ground
51
PCM_SYNC
52
+3.6V / +3.3V
Note:
The power pin of the MCARD1 connector can
1.
be selected between 3.3V and 3.6V via the
following jumper (PMCAR1)
The 3G SMS/Ring wake-up function can be
2.
enabled or disabled via the following PMCAR2
jumper.
The connector supports only USB signal card
3.
type.
Select MCARD1 Module Voltage Type (PMCAR1):
The
default is 3.3V for most 3G mini card; for Sierra Airprime
HSPA+ mini card , set it to +3.6V
.
Select MCARD1 Module Wake up Function (PMCAR2):
Pin No.
Pin Name
Pin No.
Pin Name
PAD1
Ground
PAD2
Ground
1
Ground
3
Power BUTTON-
2
Ground
4
Power BUTTON-
L1
PWR_LED+ / STB_LED-
L2
PWR_LED- / STB_LED+
Pin No.
Pin Name
Pin No.
Pin Name
A1
PWR_LED+
C1
PWR_LED-
A2
HDD_LED+
C2
HDD_ACT¬
Pin No.
Pin Name
1
3G_MIC_INR-
2
3G_MIC_INR+
3
GND_AUD1
4
GND_AUD1
5
3G_EAROR-
6
3G_EAROR+
1
3
2
4
Pin No.
Pin Name
1
Rset signal
2
GND
3
GND
4
GND
Pin No.
Pin Name
Pin No.
Pin Name
A1
WiFi_LED+
C1
WiFi_LED -
A2
3G WiFi_LED+
C2
3G WiFi_LED -
6
4
2
5
3
1
Pin No.
Pin Name
1-3, 2-4
+3.6V
3-5, 4-6
+3.3V (Default)
3
2
1
Pin No.
Pin Name
1-2
Enable
2-3
Disable (Default)