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ConnectCore 6UL
SBC Pro
Hardware Reference Manual

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Summary of Contents for Digi ConnectCore 6UL SBC Pro

  • Page 1 ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of Digi International. Digi provides this document “as is,” without warranty of any kind, expressed or implied, including, but not limited to, the implied warranties of fitness or merchantability for a particular purpose.
  • Page 3: Table Of Contents

    System boot interfaces Boot configuration Boot mode Debug interfaces JTAG Console port Communication interfaces NFC NTAG 10/100 Mbps Ethernet Antenna connector USB Host USB OTG Mini PCI Express slot Micro-SIM XBee Multimedia interfaces Parallel display LVDS ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 4 WLAN specification Known issues Known issue: Connecting Fusion 7" display causes system to wake from suspend mode Affected versions/models Description Workaround/fix Regulatory information Maximum power and frequency specifications Europe Declarations of Conformity CE mark ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 5: About The Connectcore 6Ul Sbc Pro

    About the ConnectCore 6UL SBC Pro Overview The ConnectCore 6UL SBC Pro, formerly known as the ConnectCore 6UL SBC, is an ultra compact Pico-ITX board featuring the Digi ConnectCore 6UL system-on-module that integrates an NXP i.MX6UL application processor, DDR3 memory, NAND flash memory, WLAN/Bluetooth, power management IC for optimized power consumption applications, and a microcontroller assistant (MCA) for supporting additional functionality.
  • Page 6 PCB height 2 mm Maximum part height: TOP side: 15.6 mm (USB connector) BOTTOM side: 6.8 mm (PCIe connector) (Host PCBs must have a cutout to accommodate the components on the bottom side of the module.) ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 7: Block Diagram

    About the ConnectCore 6UL SBC Pro Block diagram Block diagram ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 8: Placement

    About the ConnectCore 6UL SBC Pro Placement Placement Top view ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 9: Bottom View

    About the ConnectCore 6UL SBC Pro Placement Bottom view ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 10: Connectors

    About the ConnectCore 6UL SBC Pro Connectors Connectors Top view ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 11: Bottom View

    Connector Interface Manufacturer number 5V power-in jack SHOGYO MJ-179LR Coin cell Molex 53047-0210 Power and reset Molex 53047-0310 3.3V output Molex 53047-0210 5V output Molex 53047-0210 Ethernet 1 Xmultiple XMG-9799-8821-100D- L1TO-H-HIM microSD Molex 500873-0806 ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 12 DF14A-20P-1.25H USB expansion Molex 53047-0610 Audio expansion - speaker and line in Molex 53047-0610 SPI expansion Molex 53047-0810 5V power in 640456-2 Connectivity NFC NTAG Molex 53047-0210 Power button KSC221JLFS Reset button KSC221JLFS ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 13 Manufacturer part Connector Interface Manufacturer number RF kill & RF antenna internal/external C&K TDA02H0SB1 selection switch Components CAD1 i.MX6UL JTAG Tag Connect CAD2 MCA SWD Tag Connect CAD3 IO expander SWD Tag Connect ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 14: Connectcore 6Ul Sbc Pro Interfaces

    ConnectCore 6UL SBC Pro interfaces Power interfaces System boot interfaces Debug interfaces Communication interfaces Multimedia interfaces Storage interfaces Additional expansion interfaces User interfaces ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 15: Power Interfaces

    Power interfaces DC-in jack connector A 5V DC-in power jack connector provides power to the entire ConnectCore 6UL SBC Pro system. An overvoltage circuit protects the SBC from voltages higher than 6.5V (up to 12V). Behind the overvoltage protection, a 5V load switch (U7) controls the power delivered to the SBC. The enable pin of the power switch is controlled through PWR_EN/IO14 signal of the I/O expander.
  • Page 16: 5V Supply Connector

    System boot interfaces Boot configuration The ConnectCore 6UL SBC Pro has several 10 K resistors to allow for maximum flexibility when setting up the boot source configuration of the ConnectCore 6UL module. The following table provides detailed information about resistor configuration.
  • Page 17: Boot Mode

    By default, the ConnectCore 6UL module boots from the internal board settings, allowing it to boot from internal NAND memory. However, it is possible to boot from USB through a jumper (J10). This jumper forces the i.MX6UL to boot from the source programmed in the one-time-programmable (OTP) ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 18: Debug Interfaces

    Debug interfaces JTAG The ConnectCore 6UL SBC Pro provides a Tag Connect footprint for accessing the i.MX6UL JTAG debug port. You can find this footprint on the bottom side of the board. The ConnectCore 6UL SBC Pro provides two options for programming and debugging the MCA of the ConnectCore 6UL module.
  • Page 19: Console Port

    MCA: a non-populated 2x5, 1.27 mm pitch pin header and a Tag Connect footprint. Console port The ConnectCore 6UL SBC Pro provides a 4-pin, 1.25 pitch connector for the debug console port. The UART5 port of the ConnectCore 6UL module is used as the console port. The console signal is a serial TTL, which travels through the console connector directly to the i.MX6UL processor.
  • Page 20: 10/100 Mbps Ethernet

    10/100 Mbps Ethernet The ConnectCore 6UL SBC Pro provides two 10Base-T/100Base-Tx Ethernet interfaces using two Microchip LAN8720Ai 10/100 Ethernet PHYs. The Ethernet PHYs are connected to the i.MX6UL ENET1 and ENET2 instances, respectively. Both Ethernet interfaces are accessible through RJ-45 connectors with integrated link/activity LEDs.
  • Page 21: Antenna Connector

    USB Host The ConnectCore 6UL SBC Pro offers support for four USB Host interfaces. Two of them are available over a stackable dual USB A-type connector located on the front of the board. The third USB Host is...
  • Page 22: Usb Otg

    A micro-AB type receptacle for USB OTG connection is available on the bottom side of the ConnectCore 6UL SBC Pro. This interface can operate in both Host and Device mode. High-speed, full-speed, and low-speed connections are supported in Host mode. High-speed and full- speed connections are supported in Device mode.
  • Page 23: Mini Pci Express Slot

    These drills have a 5.8 mm x 5.8 mm area without parts or routes for the screws and nuts. To install a PCI Express mini card on the ConnectCore 6UL SBC Pro, you need two M2.5 nuts, two M2.5 screws, two 4 mm M2.5 spacers, and two M2.5 washers. ...
  • Page 24 SIM card reset line Ground PCIE_UIM_VPP Power supply for SIM programming Not connected Ground Not connected PCIE_DIS_N Disable signal Ground Not connected Not connected PCIe_VCC 3.3V power line Not connected Ground Ground Not connected Ground ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 25: Micro-Sim

    A micro-SIM card slot is located on the bottom side of the board. The SIM interface is connected to the PCIe Mini card connector, enabling cellular communication when a modem is installed in the Mini Card connector.  The following table shows the SIM card slot pinout: Pin Signal name Description PCIE_UIM_PWR Power supply line ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 26: Xbee

    PCIE_UIM_DATA SIM card data line Not connected XBee The ConnectCore 6UL SBC Pro provides two 10-pin, 2 mm pitch connectors to connect a Digi XBee/XBee-PRO module. The XBee identification and association signals are connected to a 3-pin, 1.25 mm pitch expansion connector.
  • Page 27: Multimedia Interfaces

    Multimedia interfaces Parallel display The ConnectCore 6UL SBC Pro provides a 24-bit RGB LCD interface available on the top side of the board through a 40-pin, 0.5 mm pitch, FFC connector. Backlight control signal, I2C port, and interrupt line for the touch screen panel are available on the LCD connector. This connector also provides a 3.3V power line for the LCD display and a 5V power line for the LED backlight. ...
  • Page 28 Display data line 22 (NC, serial resistor: R210) R[6] MOSI LCD_DATA23/SPI1_ Display data line 23 (NC, serial resistor: R211) R[7] MISO Ground DISP0_CLK Display clock line Ground DISP0_HSYNC Horizontal sync line DISP0_VSYNC Vertical sync line DISP0_DRDY DISP0_RESET ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 29: Lvds

    Connected to the lower bits of the same color. In this case, full black and white can be reached, but some color gradients are lost. LVDS The ConnectCore 6UL SBC Pro provides an LVDS interface from a parallel-to-LVDS transceiver. The LVDS connector is on the bottom side of the board, close to the LCD connector. Pad conflicts The LVDS and parallel connectors share the same video interface and therefore cannot be used simultaneously.
  • Page 30: Parallel Camera

    LVDS_PD#/IO30 signal.  Parallel camera The ConnectCore 6UL SBC Pro provides a parallel camera sensor interface (CSI), which is located on the top side of the board. This camera interface is composed of an 8-bit data line bus, a master clock, and three synchronization signals (PIXCLK, HSYNC, and VSYNC).
  • Page 31: Audio

    Audio Audio functionality on the ConnectCore 6UL SBC Pro provides headphone, speaker, line-out, two line- in, and microphone signals. A Maxim MAX98089 audio codec manages the audio interface. You can configure the audio codec through the i.MX6UL I2C1 bus. For power management, the ConnectCore 6UL SBC Pro provides a switch for powering on and off the audio interface.
  • Page 32 Positive left-channel Class D speaker output SPKL_N Negative left-channel Class D speaker output SPKR_P Positive right-channel Class D speaker output SPKR_N Negative right-channel Class D speaker output LINE_IN_B_R Line-in B right channel LINE_IN_B_L Line-in B left channel ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 33: Storage Interfaces

    Ground Ground eMMC The ConnectCore 6UL SBC Pro carries a 4 GBytes eMMC memory. This interface is connected to the USDHC2 controller of the i.MX6UL CPU. Pad conflicts The eMMC shares the connection to the i.MX6UL processor with the microSD interface. The selection is made via the eMMC/SD# signal, which is driven by the i.MX6UL processor, so the devices cannot be used...
  • Page 34: Additional Expansion Interfaces

    The digital I/O Expander is an IC that extends the available GPIOs, ADCs, and IRQ sources available on the ConnectCore 6UL SBC Pro. The I/O Expander and the ConnectCore 6UL module are connected through an I2C interface and two interrupt lines that allow the I/O Expander to request attention from the host (IOEXP_INT_MCA# and IOEXP_INT_iMX#).
  • Page 35 All I/O Expander lines can be configured as digital inputs/outputs and are powered from the 3V3_ IOEXP power rail, directly connected to 3V3. Note Since the GPIOs do not incorporate internal pull-ups or pull-downs, you must add the components to the exterior of the module carrier board. ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 36 Used for both requesting the XBee to sleep RQ/IO9 and waking it. IO11 XBEE_ON/SLP_ Input Used for reading the power status of the N/IO11 XBee. IO33 XBEE_ Output Used for commissioning of the XBee. IDENT/IO33 ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 37: Can

    RS232_IOEXP_2_RX Input J29 pin 2 The ConnectCore 6UL SBC Pro provides two CAN bus ports compatible with the CAN 2.0B protocol. Two CAN transceivers are used on the SBC to provide transmit and receive capability between the CAN bus and the CAN controller of the i.MX6UL. These transceivers allow signal rates up to 1 Mbps.
  • Page 38: I2C

    CAN2 termination resistor The ConnectCore 6UL SBC Pro provides access to an I2C interface. This I2C bus is connected to the I2C1 instance of the i.MX6UL CPU. Two 2.2 K pull-up resistors to a 3.3V power line are populated on the clock and data I2C1 lines.
  • Page 39: Spi

    GPIO line, connected to I/O expander EXP_I2C_GPIO/IO32 signal Ground The ConnectCore 6UL SBC Pro provides an SPI (serial peripheral interface), accessible through an 8- pin, 1.25 mm pitch expansion connector which allows access to the following signals: ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 40: Gpio

    Ground GPIO  The ConnectCore 6UL SBC Pro has a 14-pin, 1.25 mm pitch expansion connector, which provides access to several GPIO lines of the i.MX6UL, on-module MCA and I/O expander. The pinout of the GPIO expansion connector (J30) is shown below: ...
  • Page 41: Uart

    ConnectCore 6UL SBC Pro interfaces Additional expansion interfaces UART The ConnectCore 6UL SBC Pro provides access to three UART ports through a 14-pin, 1.25 mm pitch expansion connector. This connector provides access to the following UART instances: I/O expander UART2: 2 wires, RS-232 levels i.MX6UL UART3: 4 wires, RS-232 levels...
  • Page 42: User Interfaces

    ConnectCore 6UL SBC Pro interfaces User interfaces User interfaces User LED The ConnectCore 6UL SBC Pro provides one user LED, which is controlled through the I/O expander. Signal Description LED1 USER_LED1 Yellow LED, controlled by I/O expander USER_LED1/IO23 signal ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 43 ConnectCore 6UL SBC Pro specifications Electrical specification Power consumption Mechanical specification Environmental specification WLAN specification ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 44: Connectcore 6Ul Sbc Pro Specifications

    Electrical specification Supply voltages The ConnectCore 6UL SBC Pro has three supply inputs. Two of them power the whole system (ConnectCore 6UL SBC Pro plus the ConnectCore 6UL system-on-module) and the other one powers the RTC of the module when the main supply is not present. The following table shows the voltage...
  • Page 45: Mechanical Specification

    Hanoi application running (Hanoi application stresses the CPU and put it at 100% work load). Mechanical specification The ConnectCore 6UL SBC Pro is a 100mm x 72mm pico-ITX board. Four 3.2mm drills are located on the four corners of the PCB for assembling the board into an enclosure. These drills have a 5.5mm round metalized area for the screws and nuts.
  • Page 46: Top View

    ConnectCore 6UL SBC Pro specifications Mechanical specification Top view ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 47: Bottom View

    ConnectCore 6UL SBC Pro specifications Environmental specification Bottom view Profile view Environmental specification The operating temperatures defined for the ConnectCore 6UL SBC Pro are as follows: Specification Operating temperature Industrial -40°C to +85°C ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 48: Wlan Specification

    ConnectCore 6UL SBC Pro specifications WLAN specification WLAN specification For a complete WLAN specification please refer to the ConnectCore 6UL module Hardware Reference Manual. ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 49: Known Issues

    Known issues Known issue: Connecting Fusion 7" display causes system to wake from suspend mode ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 50: Known Issue: Connecting Fusion 7" Display Causes System To Wake From Suspend Mode

    Known issue: Connecting Fusion 7" display causes system to wake from suspend mode The LCD interface in the ConnectCore 6UL SBC Pro causes the system to wake up from suspend mode when the Fusion 7" display is connected. Affected versions/models This issue is related to a population option that affects the first kits and prototypes of the ConnectCore 6UL SBC Pro, meaning any board revision prior to revA.
  • Page 51: Workaround/Fix

    When connecting any display to this interface, make sure that the LCD_IRQ_N line is properly driven by the display. If it is not, Digi recommends that you pull the display touch interrupt line up or down depending on the polarity of the touch controller interrupt (pull down if rising-edge active, pull up if falling-edge active).
  • Page 52: Regulatory Information

    Regulatory information Maximum power and frequency specifications Europe ConnectCore 6UL SBC Pro Hardware Reference Manual...
  • Page 53: Maximum Power And Frequency Specifications

    Refer to the radio regulatory agency in the desired countries of operation for more information. CE mark The ConnectCore 6UL SBC Pro is certified for use in several European countries. For information, visit www.digi.com/resources/certifications. If the ConnectCore 6UL SBC Pro is incorporated into a product, the manufacturer must ensure compliance of the final product with articles 3.1a and 3.1b of the RE Directive (Radio Equipment...
  • Page 54 The CE marking must have a height of at least 5mm except where this is not possible on account of the nature of the apparatus. The CE marking must be affixed visibly, legibly, and indelibly. ConnectCore 6UL SBC Pro Hardware Reference Manual...

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