.. _io-interface: I/O Interface ============= The VAB-820 has a wide selection of interfaces. It includes a selection of frequently used ports as part of the external I/O coastline. External I/O Ports ------------------ .. _figure-rear-io: .. figure:: images/rear_io.* :align: center :alt: Rear I/O ports Rear I/O ports .. _figure-front-io: .. figure:: images/front_io.* :align: center :alt: Front I/O ports Front I/O ports Layout diagram description table of rear I/O ports: ===== =============================== Item Description ===== =============================== 1 J16: RJ-45 LAN port 2 USB1: USB 2.0 port 2 3 USB0: USB 2.0 port 1 4 HDMI1: HDMI® port 5 J15 : Composite input RCA jack 6 Micro SD card slot ===== =============================== RJ-45 LAN port: Gigabit Ethernet ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The integrated 8-pin Gigabit Ethernet port is using an 8 Position 8 Contact (8P8C) receptacle connector (commonly referred to as RJ45). The pinout of the Gigabit Ethernet port is shown below. .. _figure-ethernet: .. figure:: images/ethernet.* :align: center :alt: Gigabit Ethernet port pinout diagram Gigabit Ethernet port pinout diagram Gigabit Ethernet port pinout: ==== ================= Pin Signal ==== ================= 1 Signal pair 1+ 2 Signal pair 1- 3 Signal pair 2+ 4 Signal pair 3+ 5 Signal pair 3- 6 Signal pair 2- 7 Signal pair 4+ 8 Signal pair 4- ==== ================= The Gigabit Ethernet port (RJ45 port) has two individual LED indicators located on the front side to show its Active/Link status and Speed status. Gigabit Ethernet LED color definition: ================ ======================================= ========================================== Connection 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 Orange color Flash in Yellow color Speed_100Mbit The LED is always On in Orange color Flash in Yellow color Speed_1000Mbit The LED is always On in Orange color Flash in Yellow color ================ ======================================= ========================================== USB 2.0 Port ^^^^^^^^^^^^ The VAB-820 mainboard provides two USB 2.0 ports, each USB port gives complete Plug and Play and hot swap capability for external devices. The USB interface complies with USB UHCI, Rev. 2.0. The pinout of the typical USB 2.0 port is shown below. .. _figure-usbport: .. figure:: images/usbport.* :align: center :alt: USB 2.0 port diagram USB 2.0 port diagram USB 2.0 port pinout: +----------------+----------------+ |USB1 |USB2 | +----+-----------+----+-----------+ |Pin |Signal |Pin |Signal | +====+===========+====+===========+ |1 |VCC |1 |VCC | +----+-----------+----+-----------+ |2 |USB data - |2 |USB data - | +----+-----------+----+-----------+ |3 |USB data + |3 |USB data + | +----+-----------+----+-----------+ |4 |GND |4 |GND | +----+-----------+----+-----------+ HDMI® Port ^^^^^^^^^^ The integrated 19-pin HDMI® port uses an HDMI® Type A receptacle connector defined in HDMI specification. The HDMI® port is used to connect high definition video and digital audio using a single cable. It allows connecting the digital video devices which utilize a high definition video signal. The pinout of the HDMI® port is shown below. .. _figure-hdmi: .. figure:: images/hdmi.* :align: center :alt: HDMI® port diagram HDMI® port diagram HDMI® port pinout: ==== ================ ==== ============= Pin Signal Pin Signal ==== ================ ==== ============= 1 TMDS Data0+ 2 GND 3 TMDS Data0– 4 TMDS Data1+ 5 GND 6 TMDS Data1– 7 TMDS Data2+ 8 GND 9 TMDS Data2– 10 TMDS Data3+ 11 GND 12 TMDS Data3– 13 CEC 14 NC 15 HDMI Clock 16 HDMI Data 17 GND 18 HDMI Power 19 Hot Plug Detect ==== ================ ==== ============= RCA Jack ^^^^^^^^ The RCA jack connects to external composite video input device. .. _figure-rca: .. figure:: images/rca.* :align: center :alt: RCA jack diagram RCA jack diagram RCA Jack pinout: ================ ============ Description RCA Jack ================ ============ Video Composite Video Input ================ ============ Micro SD Card slot ^^^^^^^^^^^^^^^^^^ There is a Micro SD card slot located on the front I/O panel. The Micro SD card slot offers expandable storage. .. _figure-sdcard: .. figure:: images/sdcard.* :align: center :alt: Micro SD card slot diagram 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 ==== ============ Onboard Connectors ------------------ USB, USBOTG Pin Header ^^^^^^^^^^^^^^^^^^^^^^ The mainboard includes one USB and USBOTG combination pin header block labeled as “J8”. The combination pin header is used for connecting USB and USBOTG devices. The pinout of the pin header is shown below. .. _figure-usbotg: .. figure:: images/usbotg.* :align: center :alt: USB, USBOTG pin header diagram USB, USBOTG pin header diagram USB, USBOTG pin header pinout: ==== =========== ==== =========== Pin Signal Pin Signal ==== =========== ==== =========== 1 GND 2 -- 3 USB_OTG_ID 4 GND 5 OTG_DP 6 USBD_T3+ 7 OTG_DN 8 USBD_T3- 9 OTG_VBUS 10 USB_VBUS ==== =========== ==== =========== Front Audio Pin Header ^^^^^^^^^^^^^^^^^^^^^^ The mainboard has a pin header for Line-out, Line-in and MIC-in. This pin header is labeled as "AUDIO1". The pinout of the pin header is shown below. .. _figure-audio: .. figure:: images/audio.* :align: center :alt: Front Audio pin header diagram Front Audio pin header diagram Front Audio pin header pinout: ==== ============ ==== ============ 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 ==== ============ ==== ============ DIO, I²C, System reset, P_LED, and WLAN_LED Pin Header ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The mainboard includes one DIO, I²C, System reset, P_LED, and WLAN_LED combination pin header block labeled as “J7”. The combination pin header is used for connecting Digital I/O (GPIO), I²C devices and providing access to system reset switch, power LED and WLAN LED. The pinout of the pin header is shown below. .. _figure-gpio: .. figure:: images/gpio.* :align: center :alt: DIO, I²C, System reset, P_LED, and WLAN_LED combination pin header diagram DIO, I²C, System reset, P_LED, and WLAN_LED combination pin header diagram DIO, I²C, System reset, P_LED, and WLAN_LED pin header pinout: ==== ========= ==== ======== Pin Signal Pin Signal ==== ========= ==== ======== 1 RESET_N 2 P_LED+ 3 GND 4 P_LED- 5 I2C3_SCL 6 W_LED+ 7 I2C3_SDA 8 W_LED- 9 5VIN 10 GND 11 GPIO_1 12 GPIO_7 13 GPIO_2 14 GPIO_8 15 GPIO_4 16 GPIO_9 17 GPIO_5 18 GPIO_16 19 GND 20 -- ==== ========= ==== ======== SPI connector ^^^^^^^^^^^^^ The mainboard has one 7-pin SPI flash connector. The SPI (Serial Peripheral Interface) connector is used to communicate with external slave devices. The connector is labeled as "J10". The pinout of the connector is shown below. .. _figure-spi: .. figure:: images/spi.* :align: center :alt: SPI connector diagram SPI connector diagram SPI connector pinout: ==== =========== Pin Signal ==== =========== 1 CSPI3_CLK 2 CSPI3_MOSI 3 CSPI3_MISO 4 3P3V 5 CSPI3_CS0 6 GND 7 CSPI3_CS1 ==== =========== PoE Pin Header ^^^^^^^^^^^^^^ The mainboard has two PoE pin headers. The PoE pin headers are used to connect to optional PD power board for implementation of Power Over Ethernet. The PoE input connector is labeled as "J13". The PoE output connector is labeled as "J14". The pinout of the connector is shown below. .. _figure-poe: .. figure:: images/poe.* :align: center :alt: PoE Output/Input pin header diagram PoE Output/Input pin header diagram PoE Output pin (J14) header pinout: ==== ======== ==== ======== Pin Signal Pin Signal ==== ======== ==== ======== 1 POE_12V 2 POE_12V 3 NC 4 -- 5 GND 6 GND ==== ======== ==== ======== PoE Input pin (J13) header pinout: ==== ======= ==== ======== Pin Signal Pin Signal ==== ======= ==== ======== 1 WIRE1 2 WIRE2 3 NC 4 -- 5 WIRE3 6 WIRE4 ==== ======= ==== ======== +12V DC-In Connector ^^^^^^^^^^^^^^^^^^^^ The mainboard has a +12V DC-In power connector to provide additional power to the rest of the system. The 2-pin power connector is used to connect the DC-In power jack. The connector is labeled as "J9". The pinout of the connector is shown below. .. _figure-dcin: .. figure:: images/dcin.* :align: center :alt: 12V DC-In connector diagram 12V DC-In connector diagram 12V DC-In connector pinout: ==== ======= Pin Signal ==== ======= 1 +12V 2 GND ==== ======= S-Video Input Pin Header ^^^^^^^^^^^^^^^^^^^^^^^^ The mainboard provides an S-Video Input pin header. The S-Video Input pin header is an analog video connector for connecting TV monitor or S-Video input devices. The pinout of the S-Video input pin header is shown below. .. _figure-svideo: .. figure:: images/svideo.* :align: center :alt: S-Video input pin header diagram S-Video input pin header diagram S-Video input pin header pinout: ===== ======= ==== ========= Pin Signal Pin Signal ===== ======= ==== ========= 1 C 2 GND 3 Y 4 -- 5 NC 6 GND ===== ======= ==== ========= CMOS Battery Connector ^^^^^^^^^^^^^^^^^^^^^^ The mainboard is equipped with an onboard CMOS battery connector used for connecting the external cable battery that provides power to the CMOS RAM. If disconnected all configurations in the CMOS RAM will be reset to factory defaults. The CMOS battery connector is labeled as "J1". The connector pinout is shown below. .. _figure-battery: .. figure:: images/battery.* :align: center :alt: CMOS battery connector diagram CMOS battery connector diagram CMOS battery connector pinout: ==== ======== Pin Signal ==== ======== 1 +VBAT 2 GND ==== ======== Mini-PCIe Slot ^^^^^^^^^^^^^^ The Mini-PCIe slot is compatible with all PCIe 2.0 Mini Cards: full-length and half-length. The location of the Mini-PCIe slot is shown below. .. _figure-minipcie: .. figure:: images/minipcie.* :align: center :alt: Mini-PCIe slot diagram Mini-PCIe slot diagram Mini-PCIe slot pinout: ==== ============== ==== =============== 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 ==== ============== ==== =============== LVDS1 Connector ^^^^^^^^^^^^^^^ The mainboard has one 40-pin LVDS panel connector on the bottom side. The onboard LVDS panel connector allows to connect the panel's LVDS cable to support the dual-channel 18-bit/24-bit display. Backlight controls are integrated into the LVDS panel connector pinout. The LVDS panel connector is labeled as "LVDS1". The pinout of the connector is shown below. .. _figure-lvds: .. figure:: images/lvds.* :align: center :alt: LVDS1 connector diagram LVDS1 connector diagram LVDS1 connector pinout: ==== ============== ==== =============== 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 Inverter Connector ^^^^^^^^^^^^^^^^^^^^^^^ The mainboard has one LVDS Inverter connector located on the bottom side of the board for supplying power to the backlight of the LCD panel. The connector is labeled as "INVERTER". The pinout of the connector is shown below. .. _figure-lvds-inverter: .. figure:: images/lvds_inverter.* :align: center :alt: LVDS Inverter Connector diagram LVDS Inverter Connector diagram LVDS Inverter Connector pinout: ==== ==================== Pin Signal ==== ==================== 1 IVDD 2 IVDD 3 LVDS_EN 4 DISP0_CONTRAST 5 LVDS_EN 6 DISP0_CONTRAST 7 GND 8 GND ==== ==================== MIPI CSI-2 Connector ^^^^^^^^^^^^^^^^^^^^ The mainboard includes one MIPI CSI-2 connector on the bottom side of the board. The MIPI CSI-2 connector is used to connect to a camera serial interface in order to support a wide range of imaging solutions. The connector is labeled as "J18". The pinout of the connector is shown below. .. _figure-mipi: .. figure:: images/mipi.* :align: center :alt: MIPI CSI-2 connector diagram MIPI CSI-2 connector diagram MIPI CSI-2 connector pinout: ==== ============ Pin Signal ==== ============ 1 5VIN 2 I2C2_SCL 3 I2C2_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 ==== ============ COM1/COM2/CAN Connector ^^^^^^^^^^^^^^^^^^^^^^^ The mainboard includes two onboard COM connectors on the bottom side of the board. The onboard COM1 connector labeled as "J4" is used to attach additional COM ports that support RS-232 standard with DTE (Data Terminal Equipment) type. The onboard COM2/CAN connector labeled as "J5" is primarily used to attach additional COM port for debug purpose. The CAN bus can also be supported through this connector. The pinout of the connector is shown below. .. _figure-com: .. figure:: images/com.* :align: center :alt: COM1/COM2/CAN connector diagram COM1/COM2/CAN connector diagram COM1/COM2/CAN connector pinout: +--------------+--------------+ |COM1 |COM2/CAN | +----+---------+----+---------+ |Pin |Signal |Pin |Signal | +====+=========+====+=========+ |1 |5VIN |1 |5VIN | +----+---------+----+---------+ |2 |COM_RXD1 |2 |COM2_RX | +----+---------+----+---------+ |3 |COM_TXD1 |3 |COM2_TX | +----+---------+----+---------+ |4 |COM_DCD1 |4 |NC | +----+---------+----+---------+ |5 |COM_RI1 |5 |NC | +----+---------+----+---------+ |6 |GND |6 |GND | +----+---------+----+---------+ |7 |COM_DTR1 |7 |CAN_RX2 | +----+---------+----+---------+ |8 |COM_CTS1 |8 |CAN_TX2 | +----+---------+----+---------+ |9 |COM_RTS1 |9 |CAN_TX1 | +----+---------+----+---------+ |10 |COM_DSR1 |10 |CAN_RX1 | +----+---------+----+---------+