VIA Technologies VAB-820 Quick Guide

Copyright © 2014-2016 VIA Technologies, Inc. All rights reserved.
VIA Technologies, Inc.
1F, 531, Zhong-zheng Road, Xindian District,
New Taipei City 231, Taiwan
Tel: 886-2-2218-5452
Fax: 886-2-2218-9860
Step 1
Firmly attach the two connectors J7A and J8A on the bottom of the VAB-
820-A daughter board with the pin headers J7 and J8 on the VAB-820
mainboard.
VAB - 820
J  
J8A
VAB - 820-A
COM connector (J4)
For more information on this product, please visit
www.viatech.com
Pin Signal
1 5VIN
2 12C2_SCL
3 12C2_SDA
4 GND
5 CSI_CLK0P
6 CSI_CLK0M
7 GND
8 CSI_D0P
9 CSI_D0M
10 GND
11 CSI_D1M
12 CSI_D1P
Pin Signal
1 5VIN
2 COM_RXD1
3 COM_TXD1
4 COM_DCD1
5 COM_RI1
6 GND
7 COM_DTR1
8 COM_CTS1
9 COM_RTS1
10 COM_DSR1
Inverter power Pin 1 Pin 3 Pin 5
+12V (default) Short Short Open
+5V Open Short Short
COM/CAN connector (J5)
Pin Signal
1 5VIN
2 COM2_RX
3 COM2_TX
4 NC
5 NC
6 GND
7 CAN_RX2
8 CAN_TX2
9 CAN_TX1
10 CAN_RX1
MIPI CSI-2 connector (J18)
Pin Signal
1 IVDD
2 IVDD
3 LVDS_EN
4 DISP0_CONTRAST
5 LVDS_EN
6 DISP0_CONTRAST
7 GND
8 GND
Pin Signal Pin Signal
1 HEAD_RIGHT 2 HEAD_LEFT
3 LINE_IN_R 4 LINE_IN_L
5 MIC_IN 6 MIC_IN
7 - 8 NC
9 GND_ANALOG
10
GND_ANALOG
Front Audio pin header (AUDIO1)
LVDS Inverter connector (INVERTER)
Pin Signal Pin Signal
1 WIRE1 2 WIRE2
3 NC 4 -
5 WIRE3 6 WIRE4
Pin Signal Pin Signal
1 POE_12V 2 POE_12V
3 NC 4 -
5 GND 6 GND
PoE Input pin header (J13)
PoE Output pin header (J14)
LVDS power select jumper (J3)
Panel power Pin 2 Pin 4 Pin 6
+3.3V (default) Short Short Open
+5V Open Short Short
Boot select Pin 1 Pin 2 Pin 3
Micro SD (default) Short Short Open
SPI Open Short Short
Boot flash select jumper (J11)
Pin Signal Pin Signal
1 LVDS1_TX0_NC 2 PVDD
3 LVDS1_TX0_PC 4 PVDD
5 GND 6 GND
7 LVDS1_TX1_NC 8 GND
9 LVDS1_TX1_PC 10 LVDS0_TX0_NC
11 GND 12 LVDS0_TX0_PC
13 LVDS1_TX2_NC 14 GND
15 LVDS1_TX2_PC 16 LVDS0_TX1_NC
17 GND 18 LVDS0_TX1_PC
19 LVDS1_CLK_NC 20 GND
21 LVDS1_CLK_PC 22 LVDS0_TX2_NC
23 GND 24 LVDS0_TX2_PC
25 LVDS1_TX3_NC 26 GND
27 LVDS1_TX3_PC 28 LVDS0_CLK_NC
29 GND 30 LVDS0_CLK_PC
31 5VIN 32 GND
33 3P3V 34 LVDS0_TX3_NC
35 NC 36 LVDS0_TX3_PC
37 NC 38 LVDS0_EDID_SCL
39 NC 40 LVDS0_EDID_SDA
LVDS connector (LVDS1)
Pin Signal Pin Signal
1 PCIE_WAKE_B 2 MPCIE_3V3
3 GND 4 GND
5 JTAG_TCK 6 VCC15
7 JTAG_TMS 8 -
9 GND 10 NC
11 PCIe_CREFCLKM 12 NC
13 PCIe_CREFCLKP 14 NC
15 GND 16 -
17 JTAG_TD1 18 GND
19 JTAG_TD0 20 PCIE_DIS_B
21 GND 22 PCIE_RST_B
23 PCIe_CRXM 24 MPCIE_3V3
25 PCIe_CRXP 26 GND
27 GND 28 VCC15
29 GND 30 PCIe_SMB_CLK
31 PCIe_CTXM 32 PCIe_SMB_DATA
33 PCIe_CTXP 34 GND
35 GND 36 PCIE_USB_DM
37 GND 38 PCIE_USB_DP
39 MPCIE_3V3 40 GND
41 MPCIE_3V3 42 LED_WWAN_B
43 GND 44 LED_WLAN_B
45 JTAG_nTRST 46 LED_WPAN_B
47 JTAG_nSRST 48 VCC15
49 GND 50 GND
51 NC 52 MPCIE_3V3
MiniPCIe slot
Daughterboard for VAB-820 mainboard
VAB-820-A
VAB-820-A Specifications:
•
PCB Size
• 10cm x 3.7cm (100mm x 37mm)
•
I/O Coastline
• 1 x Reset button
• 1 x Power LED
• 1 x WPAN/Wi-Fi/WWAN LED
• 1 x COM port (supports 8-wire DTE mode)
• 1 x COM/CAN port (supports one RS-232 (TX/RX) and
two CAN Bus (Supporting CAN Protocol specification
Version 2.0 B) through a COM/CAN converter cable
• 1 x USB 2.0 port
• 1 x Micro USB 2.0 OTG port (Type B connector supporting OTG)
•
Onboard Connectors and Jumper
• 1 x COM connector (J4)
• 1 x COM/CAN connector (J5)
• 1 x DIO pin header (4GPI + 4GPO) (DIO)
• 1 x CAN Bus jumper (J2)
•
CAN Bus Transceiver
• TI SN65HVD1050 EMC Optimized CAN transceiver
VAB-820-A Layout Diagram
VAB - 820-A
100mm
94mm
1   
O2.5mm (hole)
VAB-820-A Dimensions
Installing VAB-820-A Daughter
board to VAB-820 Mainboard
Bottom side
Top side
I/O Coastline
VAB - 820-A
COM/CAN connector COM connector
CAN Bus jumper
DIO pin header
VAB - 820
VAB - 820-A
1
2
4
3
Step 2
Plug one end of the transmittal cable to the COM connector on the VAB-
820-A daughter board, and the other end of the transmittal cable to the
COM connector on the bottom side of the mainboard.
VAB-820-A Onboard Connector
Pinouts and Jumper
Pin Signal Pin Signal
1 NC 2 NC
3 GPIO_1 4 GPIO_7
5 GPIO_2 6 GPIO_8
7 GPIO_4 8 GPIO_9
9 GPIO_5 10 GPIO_16
11 GND 12 GND
DIO pin header
COM connector (J4)
Pin Signal
1 -
2 COM_RXD1
3 COM_TXD1
4 COM_DCD1
5 COM_RI1
6 GND
7 COM_DTR1
8 COM_CTS1
9 COM_RTS1
10
COM_DSR1
COM/CAN connector (J5)
Pin Signal
1 -
2 COM2_RX
3 COM2_TX
4 -
5 -
6 GND
7 CAN_RX2
8 CAN_TX2
9 CAN_TX1
10
CAN_RX1
CAN Bus setting Pin 1 Pin 3 Pin 5
Enabled CAN
Short Short Open
Termination
Pin 2 Pin 4 Pin 6
(default)
Short Short Open
CAN Bus jumper (J2)

VIA Technologies VAB-820 Specifications

General

Brand	VIA Technologies
Model	VAB-820
Category	Motherboard
Language	English