ODK-6 System Components

Owned by Martin Welford
Last updated: Mar 10, 2017
3 min read

This page details each of the features on the Opal-6 IoT Dev Kit.  These are categorised as:

Opal-6 SoM

The Opal-6 System on Module (SoM) is at the core of the ODK.  

The Dual Lite version is included as standard with the ODK.

User Interface Components

Display Interfaces

HDMI

Opal-6 includes a standard HDMI interface allowing connection to monitors, TVs and other HDMI equipped interfaces.  It supports displays with a resolution of up to 1920x1080.

LVDS

The Opal-6 Development Kit has 2 LVDS connectors:

  1. J10 - Freescale 10.1" panel connector
  2. J11 - Expansion header

The Freescale 10.1" LVDS-1 panel (sometimes known as the Hannstar panel) is shown below.  This display includes a capacitive touch interface and can be purchased from NXP or a distributor via this link.  THe part number is MCIMX-LVDS1.


A 0.05" pitch expansion header has been used for the i.MX6 LVDS0 interface.  It includes the LVDS signals, I2C interface for a touch controller and various GPIO signals.

SignalPinPinSignal
+5V12+5V
+5V34+5V
+3.3V56I2C_SCL
+3.3V78I2C_SDA
0V9100V
LVDS0_TX2_N1112GPIO_ENABLE
LVDS0_TX2_P1314GPIO_INTERRUPT
0V1516GPIO_BACKLIGHT_EN
LVDS0_TX1_N1718CONTRAST
LVDS0_TX1_P1920PWM2_OUT
0V21220V
LVDS0_TX0_N2324NC*
LVDS0_TX0_P2526NC
0V2728NC
LVDS0_CLK_N2930NC
LVDS0_CLK_P3132NC
0V3334NC
NC3536NC
NC3738NC
NC3940NC

NC = Not Connected.

Earlier versions of the development kit included two connectors for the Freescale panel.

Parallel TFT Expansion Connector

The ODK has an expansion connector which includes:

  • +5V and +3.3V 
  • 24-bit parallel TFT signals from the i.MX6 DISP0 interface
  • 4-wire resistive touch interface
  • I2C

This connector does not work directly to a specific panel, but an interface board can be created for any display.

SignalPinPinSignal
+5V12+3.3V
DISP_DAT034DISP_DAT16
DISP_DAT156DISP_DAT17
DISP_DAT278DISP_DAT18
DISP_DAT3910DISP_DAT19
DISP_DAT41112DISP_DAT20
DISP_DAT51314DISP_DAT21
DISP_DAT61516DISP_DAT22
DISP_DAT71718DISP_DAT23
0V19200V
DISP_DAT92122DISP_DCLK
DISP_DAT92324DISP_BUSY
DISP_DAT102526DISP_ENABLE
DISP_DAT112728DISP_HSYNC
DISP_DAT122930DISP_VSYNC
DISP_DAT1331320V
DISP_DAT143334TOUCH_XN
DISP_DAT153536TOUCH_XP
I2C_SDA3738TOUCH_YN
I2C_SCL3940TOUCH_YP

Audio

The ODK includes 2 x 3.5mm jack connectors for stereo audio out (green) and a microphone input (pink). This functionality is provided by a Freescale SGTL5000 audio codec.

MIPI Camera & Display

There are two interfaces for MIPI on the kit.

  1. Direct support for a Leopard Imaging LI-OV5640-MIPI-AF camera. This is based on the 5-megapixel OmniVision OV5640 image sensor module.
    This is available from Arrow Electronics and Mouser Electronics.
  2. Expansion connector with all MIPI camera lanes + MIPI display.

The expansion connector is a Molex 541670308 with the following pin configuration.

SignalPinPinSignal
CSI_DATA0_N12NC
CSI_DATA0_P34+5V
0V56CSI_MIPI_SDA
CSI_DATA1_N78CSI_MIPI_SCL
CSI_DATA1_P910PWM2_OUT
0V1112CSI_PWON
CSI_DATA2_N1314MIPI_GPIO
CSI_DATA2_P1516DSI_DATA0_P
0V1718DSI_DATA0_N
CSI_DATA3_N19200V
CSI_DATA3_P2122DSI_DATA0_P
0V2324DSI_DATA0_P
CSI_CLKO_N25260V
CSI_CLKO_P2728DSI_DATA0_P
0V2930DSI_DATA0_P


Buttons and LEDs

The ODK includes 3 push-buttons, 1 switch (this is switch 1 on the BOOT_CONFIG/SW1 switches) and 4 LEDs available for use in your application.  
They use the following GPIO signals from the i.MX6:

Button/LEDGPIO Pin
BUTTON13-31
BUTTON23-30
BUTTON34-13
LED G13-05
LED G23-01
LED R13-04
LED R23-14
SWITCH_14-14

Connectivity

10/100/1000 Ethernet

The ODK has gigabit Ethernet.  The LEDs on the connector indicate link status and network activity.

USB Host

The ODK has 4 USB host ports.  These operate at 480Mbps and this functionality is provided by an SMSC USB chip IC.

The top port on J7 is also connected to the Mini PCIe connector. To use it J7 you must remove R122 and R123 which are located on the bottom layer next to J7.

USB Function

The USB mini-B port next to the main power input is connected to one of the OTG ports on the i.MX6 processor.
This is configured as USB function-only mode and operates at 480Mbps.

SD Card and uSD Card

The ODK includes both a standard SD card connector and, from revision D,  a micro SD card connector.  These can be used as a boot source or data storage.

FlexCAN

The ODK includes two FlexCAN channels.  These have Freescale MC34901 transceivers and can be connected to via push-wire connectors.
Optional 60-ohm termination is provided by the switches on S2.  Turn these switches ON to enable the termination.

PCIe Connector

The ODK includes a mini PCI express connector. This has a single PCI lane as well as USB and SIM card features.

SIM card interface

A SIM card connector is included to take standard large SIM cards.  This is connected to the mPCIe socket for cellular modem use.

The ArrowONE Global SIM present on the Rev B kits is no longer supported.

Digital I/O Features

Digital Inputs

The Opal-6 Development Kit includes 2 digital inputs.  These are protected from noise and spikes by a voltage divider, 5.6V zener diode and 100nF capacitor.  Refer to the schematics for details in the input circuit. There are 2 LEDs on these ports to give a visual indication when the input is high.

InputGPIO Pin
INPUT 12-02
INPUT 22-03 

Digital Outputs

The 2 digital outputs on the ODK use p-Channel FETs with a +5V high-side configuration.  Each output can supply up to 1A, but the total current will depend on the input power supply.  There are LED indicators on each output showing when it is active.

OutputGPIO Pin
OUTPUT 12-00
OUTPUT 22-01 

Debug Interfaces

USB Serial

The primary serial output from the Opal-6 module can be found on the Serial Debug USB mini-B connector located at the bottom right hand corner of the ODK. See the Getting Started section for information on setting up the required driver on your PC.

JTAG

A standard ARM 9-pin JTAG connector is located next to the configuration switches on the ODK.  



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