kit.rst

Appendix A. Starter Kit

Starter Kit Assembly

The starter kit includes the following items:

• 1 x VAB-820
• 1 x VAB-820-A
• 1 x RTC battery
• 1 x AC adapter
• 1 x Power cord
• 1 x DC-in cable
• 2 x Transmittal cable
• 1 x Audio cable
• 1 x COM2/CAN converter cable
• 1 x 10.4” LCD panel including PCAP touch screen (optional)
• 1 x USB cable (optional)
• 1 x LVDS cable (optional)
• 1 x backlight power cable (optional)

Connecting the VAB-820-A

Firmly attach the 2 connectors J7A & J8A on the bottom of the VAB-820-A daughter board with the pin headers J7 & J8 on the VAB-820 mainboard. Then, 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.

Connecting the VAB-820-A to the VAB-820 mainboard

The photo below shows the cable connections:

Cable connections

The photo below shows the panel connections:

Panel connections

VAB-820-A Specifications

• PCB Size
  • 100 mm x 37 mm
  • 4-Layer
• I/O Coastline
  • 1 x Reset button
  • 1 x power & WPAN/WWAN/WLAN LED stack
  • 1 x COM1 D-sub 9-pin connector supports 8-wire DTE mode
  • 1 x COM2 D-sub 9-pin connector supports 1 x COM2 (COM2 supporting 2-wire TX/RX) and 2 x CAN Bus (Supporting CAN Protocol specification Version 2.0 B) through a COM2/CAN converter cable
  • 1 x USB2.0 connector
  • 1 x Micro USB2.0 type B connector supporting OTG
• Onboard Connectors and Jumper
  • 1 x CAN Bus jumper (J2)
  • 1 x COM connector supporting 8-wire (J4)
  • 1 x COM/CAN connector supporting 2-wire RD232 TX/RX and 2 FlexCAN TX/RX ports (J5)
  • 1 x DIO pin header (4 INs and 4 OUTs)
• CAN Bus transceiver
  • TI SN65HVD1050 EMC Optimized CAN transceiver

VAB-820-A Layout

VAB-820-A Layout (top view)

VAB-820-A Layout (bottom view)

VAB-820-A & COM2/CAN converter cable pinouts and jumpers

DIO

Pin	Signal	Pin	Signal
1	--	2	--
3	GPO_1	4	GPI_7
5	GPO_2	6	GPI_8
7	GPO_4	8	GPI_9
9	GPO_5	10	GPI_16
11	GND	12	GND

Reset

Pin	Signal
1	RESET_N
2	GND
3	GND
4	GND

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

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

COM1

Pin	Signal
1	COM_DCD1
2	COM_RXD1
3	COM_TXD1
4	COM_DTR1
5	GND
6	COM_DSR1
7	COM_RTS1
8	COM_CTS1
9	COM_RI1

COM2

Pin	Signal
1	CANH1
2	COM2_RX
3	COM2_TX
4	CANL2
5	GND
6	CANL1
7	GND
8	CANH2
9	VCC5

USBOTG

Pin	Signal
1	OTG_VCC
2	OTG_DN
3	OTG_DP
4	USB_OTG_ID
5	GND

USB

Pin	Signal
1	USB3_VCC
2	USBD_T3-
3	USBD_T3+
4	GND

LED

Pin	Signal	Pin	Signal
A1	3P3V	C1	P_LED
A2	3P3V	C2	LED_WLAN

COM2/CAN converter cable

CAN1
Pin	Signal
2	CANL1
6	GND
7	CANH1
9	VCC5

CAN2
Pin	Signal
2	CANL2
6	GND
7	CANH2
9	VCC5

COM
Pin	Signal
2	COM2_RX
3	COM2_TX
5	GND

Warning

Do not directly plug a COM connector to the COM2 connector. Please use the COM2/CAN converter cable when connecting to the COM2 connector