3. I/O Interface¶
The VIA VAB-600 has a wide selection of interfaces integrated into the board. It includes a selection of frequently used ports as part of the external I/O coastline.
3.1. External I/O Ports¶
Figure 1: External I/O ports
Layout diagram description table of external rear I/O ports:
| Item | Description |
|---|---|
| 1 | CN12: DC-In jack |
| 2 | SD1: Micro SD card slot |
| 3 | USB2: Mini USB 2.0 port 2 (type AB port) |
| 4 | USB2: Mini USB 2.0 port 1 (type AB port) |
| 5 | HDMI1: Mini HDMI® port |
| 6 | LAN1: RJ-45 (Fast Ethernet) LAN port |
3.1.1. DC-In Jack¶
The mainboard comes with a coaxial power connector on the real I/O panel adjacent to the Micro SD slot. The power connector carriers +12VDC ~ +24VDC external power input. The specifications and pinout of the power connector are shown below.
Figure 2: DC-In jack diagram
| Physical Specifications | |
|---|---|
| Outer Diameter | 3.7 mm |
| Inner Diameter | 1.3 mm |
| Barrel Depth | 8.25 mm |
| Electrical Specifications | |
|---|---|
| Input Voltage | +12V ~ +24V |
3.1.2. Micro SD Card Slot¶
The Micro SD card slot is located on the rear I/O panel, it offers expandable storage.
Figure 3: Micro SD Card slot diagram
Micro SD Card slot pinout:
| Pin | Signal |
|---|---|
| 1 | SD0DATA2 |
| 2 | SD0DATA3 |
| 3 | SD0CMD |
| 4 | VDD (3.3V) |
| 5 | SD0CLK |
| 6 | GND |
| 7 | SD0DATA0 |
| 8 | SD0DATA1 |
| 9 | SD0_CD |
3.1.3. Mini USB 2.0 Port¶
There are two integrated Mini USB 2.0 ports located on the rear I/O panel. The Mini USB 2.0 interface port gives complete Plug and Play and hot swap capabilities for external devices and it complies with USB UHCI, rev. 2.0. Each Mini USB port uses the USB Type AB receptacle port connector. The pinout of the typical Mini USB port is shown below.
Figure 4: Mini USB port diagram
Mini USB 2.0 port pinout:
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | VCC (+5V) | 1 | VCC (+5V) |
| 2 | USBH1- | 2 | USBH2- |
| 3 | USBH1+ | 3 | USBH2+ |
| 4 | ID (GND) | 4 | ID (GND) |
| 5 | GND | 5 | GND |
3.1.4. Mini HDMI® Port¶
The integrated 19-pin Mini HDMI port uses an HDMI Type C receptacle connector as defined in the HDMI specification. The Mini HDMI port is for connecting to HDMI displays. The pinout of the Mini HDMI port is shown below.
Figure 5: Mini HDMI® port diagram
Mini HDMI® port pinout:
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | GND | 2 | LCD1DO2+ |
| 3 | LCD1DO2- | 4 | GND |
| 5 | LCD1DO1+ | 6 | LCD1DO1- |
| 7 | GND | 8 | LCD1DO0+ |
| 9 | LCD1DO0- | 10 | GND |
| 11 | LCD1CLK+ | 12 | LCD1CLK- |
| 13 | GND | 14 | HDMI_CECIN |
| 15 | DDCSCL | 16 | DDCSDA |
| 17 | ✗ | 18 | VCC_5V |
| 19 | HPD |
3.1.5. RJ-45 LAN port (Fast Ethernet)¶
The integrated 8-pin Fast Ethernet port is using an 8 Position 8 Contact (8P8C) receptacle connector (commonly referred to as RJ-45). The Fast Ethernet ports are controlled by VIA VT6113 10/100 Base-TX PHY chip controller. The pinout of the Fast Ethernet port is shown below.
Figure 6: Fast Ethernet port diagram
Fast Ethernet port pinout :
| Pin | Signal |
|---|---|
| 1 | TD+ |
| 2 | TD- |
| 3 | RD+ |
| 4 | REGOUT |
| 5 | REGOUT |
| 6 | RD- |
| 7 | GND |
| 8 | GND |
The RJ-45 port has two individual LED indicators located on the front side to show its Active/Link status and Speed status.
Fast Ethernet LED color definition:
| Link LED (Left LED on RJ-45 connector) | Active LED (Right LED on RJ-45 connector) | |
|---|---|---|
| Link Off | Off | Off |
| Speed_10Mbit | The LED is always On in dark color | Flash in Yellow or Orange color |
| Speed_100Mbit | The LED is always On in Red color | Flash in Yellow or Orange color |
3.2. Onboard Connectors¶
3.2.1. DC-In Connector¶
The mainboard has an onboard DC-In 2-pin power connector to connect the DC-In power cable. The DC-In power connector is an optional power connector in addition to the DC-In jack on the rear IO panel. This provides two methods for delivering +12VDC ~ +24VDC to the mainboard. The pinout of the DC-In connector is shown below.
Figure 7: DC-In connector diagram
DC-In connector pinout:
| Pin | Signal |
|---|---|
| 1 | +12VDC ~ +24VDC |
| 2 | GND |
3.2.2. SIM Card Slot¶
The mainboard is equipped with a SIM card slot located on the top side of the board which can support a 3G SIM card. Using the SIM card slot on VAB-600 requires a 3G module installed in the Mini Card expansion slot to enable the 3G function, otherwise the SIM card slot is disabled. The SIM card slot is designed only for 3G module without built-in SIM card slot on it. The SIM card slot is labeled as “SIM1”. The pinout of the slot is shown below.
Figure 8: SIM card slot diagram
SIM card slot pinout:
| Pin | Signal |
|---|---|
| 1 | USIM_VCC |
| 2 | USIM_RST |
| 3 | USIM_CLK |
| 4 | ✗ |
| 5 | GND |
| 6 | USIM_VPPSIM |
| 7 | USIM_DATA |
3.2.3. Battery Charger Connector (Optional)¶
The mainboard is equipped with an onboard battery charger connector used for connecting the external cable for charging a rechargeable battery. The battery charger connector is labeled as “CN3”. The connector pinout is shown below.
Figure 9: Battery Charger connector diagram
Battery charger pinout:
| Pin | Signal |
|---|---|
| 1 | Voltage detect |
| 2 | I2C0SCL |
| 3 | I2C0SDA |
| 4 | GND |
| 5 | Temperature Detect |
3.2.4. RTC Battery Connector¶
The mainboard is equipped with an onboard RTC battery connector used for connecting the external cable battery that provides power to the 32.768KHz crystal oscillator for Real Time Clock (RTC). The RTC battery connector is labeled as “BAT1”. The connector pinout is shown below.
Figure 10: RTC Battery connector diagram
RTC Battery connector pinout:
| Pin | Signal |
|---|---|
| 1 | +VBAT |
| 2 | GND |
3.2.5. Front Panel Pin Header¶
The front panel pin header block consists of 6 pins. It provides access to the system power LED, power switch and shut down switch. The front panel pin header is labeled as “CN7”. The pinout of the pin header is shown below.
Figure 11: Front Panel pin header diagram
Front Panel pin header pinout:
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | PWR_LED | 2 | GND |
| 3 | PWRBTN- | 4 | GND |
| 5 | RESET1 | 6 | GND |
Note
Although the signal name for pin#5 is “RESET1”, its function is “shut down”.
3.2.6. GPIO and I²C Pin Header¶
The GPIO and I²C combination pin header block labeled as “CN9” is used for connecting the I²C device, and eight General Purpose Input and Output. The pinout of the combination pin header is shown below.
Figure 12: GPIO and I²C pin header diagram
GPIO and I²C pin header pinout:
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | VCC33 | 2 | VCC_5V |
| 3 | GND | 4 | VSUS33 |
| 5 | GPI20_CH | 6 | GPIO24_CH |
| 7 | GPIO21 | 8 | GPIO25 |
| 9 | GPIO_22 | 10 | GPIO_26 |
| 11 | GPIO_23 | 12 | GPIO_27 |
| 13 | I2C0SDA | 14 | I2C0SCL |
3.2.7. SPI Flash Connector¶
The mainboard has one 8-pin SPI flash connector. By connecting to the SPI BIOS programming fixture, the SPI (Serial Peripheral Interface) flash connector can update the SPI flash ROM. The connector is labeled as “SPI1”. The pinout of the connector is shown below.
Figure 13: SPI Flash connector diagram
SPI Flash connector pinout:
| Pin | Signal |
|---|---|
| 1 | ✗ |
| 2 | SFCS1 (Reserved) |
| 3 | SFDO |
| 4 | SFDI |
| 5 | SFCLK |
| 6 | SFCS0- |
| 7 | GND |
| 8 | VPROG_SP1 (3.3V) |
3.2.8. USB Connector¶
The mainboard includes one onboard USB connector designed for connecting the wireless LAN USB module. The connector is labeled as “CN11”. The pinout of the connector is shown below.
Figure 14: USB connector diagram
USB connector pinout:
| Pin | Signal |
|---|---|
| 1 | +5V |
| 2 | USBH3- |
| 3 | USBH3+ |
| 4 | GND |
| 5 | USB_WIFI_LED |
| 6 | GPIO_4 |
3.2.9. COM Connector¶
There are two onboard COM connectors on the top side of the mainboard. The COM connectors labeled as “COM1” and “COM2” are used to attach additional COM port that supports Tx/Rx. The pinout of the COM connectors are shown below.
Figure 15: COM connector diagram
COM connector pinout:
| COM1 | COM2 | ||
|---|---|---|---|
| Pin | Signal | Pin | Signal |
| 1 | TXD0 | 1 | TXD2 |
| 2 | RXD0 | 2 | RXD2 |
| 3 | GND | 3 | GND |
| 4 | RTS0 | 4 | RTS2 |
| 5 | CTS0 | 5 | CTS2 |
3.2.10. Front Audio Pin Header¶
The mainboard has a front audio pin header for connecting the Line-Out, Line- In and Mic-In jacks. The pin header is labeled as “CN8”. The pinout of the pin header is shown below.
Figure 16: Front audio pin header diagram
Front audio pin header pinout:
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | LINEIN_R | 2 | GND |
| 3 | LINEIN_L | 4 | MICIN1 |
| 5 | LINEOUT_R | 6 | MICIN2 |
| 7 | LINEOUT_L | 8 | HP_DET |
3.2.11. Mini Card Slot¶
The VAB-600 mainboard is equipped with a Mini card expansion slot labeled as “CN2”. The Mini card slot is used to attach the USB connectivity 3G module to provide 3G function. The pinout of the slot is shown below.
Figure 17: Mini Card slot diagram
Mini Card slot pinout:
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | ✗ | 2 | VSUS33 |
| 3 | ✗ | 4 | GND |
| 5 | ✗ | 6 | +1.5V |
| 7 | ✗ | 8 | USIM_VCC |
| 9 | GND | 10 | USIM_DATA |
| 11 | ✗ | 12 | USIM_CLK |
| 13 | ✗ | 14 | USIM_RST |
| 15 | GND | 16 | USIM_VPP |
| 17 | ✗ | 18 | GND |
| 19 | ✗ | 20 | -W_DISABLE_1 |
| 21 | GND | 22 | -PEX1_RST |
| 23 | ✗ | 24 | VSUS33 |
| 25 | ✗ | 26 | GND |
| 27 | GND | 28 | +1.5V |
| 29 | GND | 30 | I2C0SCL |
| 31 | ✗ | 32 | I2C0SDA |
| 33 | ✗ | 34 | GND |
| 35 | GND | 36 | USBHD_0- |
| 37 | GND | 38 | USBHD_0+ |
| 39 | VSUS33 | 40 | GND |
| 41 | VSUS33 | 42 | LED_WWAN1- |
| 43 | GND | 44 | LED_WLAN1- |
| 45 | ✗ | 46 | LED_WPAN1- |
| 47 | ✗ | 48 | +1.5V |
| 49 | ✗ | 50 | GND |
| 51 | ✗ | 52 | VSUS33 |
3.2.12. 4-Wire Resistive Touch Screen Connector¶
The mainboard is equipped with a touch screen connector for connecting the 4-wire resistive touch panel. The touch screen connector is labeled as “TS1”. The pinout of the connector is shown below.
Figure 18: 4-Wire Resistive Touch Screen connector diagram
4-Wire Resistive Touch Screen connector pinout:
| Pin | Signal |
|---|---|
| 1 | TPXP |
| 2 | TPYP |
| 3 | TPXM |
| 4 | TPYM |
3.2.13. Key PAD Connector¶
The mainboard is equipped with a Key PAD connector for connecting the keypad device. The connector is labeled as “KPAD1”. The pinout of the connector is shown below.
Figure 19: Key PAD Connector diagram
Key PAD connector pinout:
| Pin | Signal |
|---|---|
| 1 | VCC33 |
| 2 | KPADROW0 |
| 3 | KPADROW1 |
| 4 | KPADROW2 |
| 5 | KPADROW3 |
| 6 | KPADROW4 |
| 7 | GND |
3.2.14. CIR Connector¶
The mainboard provides a CIR (Consumer Infrared Receiver) connector on the top side of the board. The CIR connector is used to connect the infrared receiver module to enable infrared wireless interface. The pinout of the CIR connector is shown below.
Figure 20: CIR connector diagram
CIR connector pinout:
| Pin | Signal |
|---|---|
| 1 | VSUS33 |
| 2 | GND |
| 3 | CIR |
3.2.15. DVO Connector¶
The DVO (Digital Video Output) connector works as an interface for multidisplay devices. This connector allows the mainboad to connect an additional daughter card which is required for a certain display such as TTL or LVDS display. The DVO connector is labeled as “CN13”. The pinout of the connector is shown below.
Figure 21: DVO connector diagram
DVO connector pinout:
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | VCC33 | 26 | LD15 |
| 2 | VCC33 | 27 | GND |
| 3 | VCC33 | 28 | LD16 |
| 4 | 5VIN | 29 | LD17 |
| 5 | 5VIN | 30 | LD18 |
| 6 | 5VIN | 31 | LD19 |
| 7 | VIN (DC-In/Battery) | 32 | LD20 |
| 8 | VIN (DC-In/Battery) | 33 | LD21 |
| 9 | GND | 34 | LD22 |
| 10 | LD00 | 35 | LD23 |
| 11 | LD01 | 36 | GND |
| 12 | LD02 | 37 | DVP1CLK+ |
| 13 | LD03 | 38 | GND |
| 14 | LD04 | 39 | DVPHS |
| 15 | LD05 | 40 | DVPVS |
| 16 | LD06 | 41 | DVPDE |
| 17 | LD07 | 42 | PWMOUT0 |
| 18 | GND | 43 | TTL_RST |
| 19 | LD08 | 44 | I2C0SCL |
| 20 | LD09 | 45 | I2C0SDA |
| 21 | LD10 | 46 | DVO_CLK |
| 22 | LD11 | 47 | DVO_DATA |
| 23 | LD12 | 48 | LVDSENBL |
| 24 | LD13 | 49 | LVDSENVDD |
| 25 | LD14 | 50 | GND |
Warning
Please DO NOT plug/unplug a DVO flex cable to /from a DVO connector (CN13) when the system is powered-ON or running.