VersaLogic Tetra VL-EPC-2700 Hardware Reference Manual

I2C

Hardware
Reference
Manual

REV. June 2018

Tetra
(VL-EPC-2700)

Arm* i.MX6 Single Board Computer
with Gigabit Ethernet, Video, USB,
SATA, Serial I/O, Digital I/O, CAN
Bus, SPI, Mini PCIe, mSATA and

WWW.VERSALOGIC.COM

12100 SW Tualatin Road
Tualatin, OR 97062

-7341

[phone]

Fax [phone]

Copyright © 2018

VersaLogic Corp. All rights reserved.

Notice:

Although every effort has been made to ensure this document is error-free, VersaLogic makes no representations or
warranties with respect to this product and specifically disclaims any implied warranties of merchantability or fitness
for any particular purpose.

VersaLogic reserves the right to revise this product and associated documentation at any time without obligation to
notify anyone of such changes.

* Other names and brands may be claimed as the property of others.

ii Tetra (VL-EPC-2700) Reference Manual

Product Release Notes

Rev 1.00

Production release for the Rev 1.0 board

Rev 1.10

Added backup battery information

Updated the Block Diagram for clarity. Added PCI Messaging interrupt information
in the Known Issues section.

Rev 1.30

Rev 1.20

Added CBR-0406

Support Page

The Tetra Support Page contains additional information and resources for this product including:

 Operating system information and software drivers
 Data sheets and manufacturers’ links for chips used in this product
 BIOS information and upgrades

VersaTech KnowledgeBase

The VersaTech KnowledgeBase contains useful technical information about VersaLogic products, along
with product advisories.

Customer

Support

If you are unable to solve a problem after reading this manual, visiting the product support page, or

searching the KnowledgeBase, contact VersaLogic Technical Support at [phone]. VersaLogic
support engineers are also available via e-mail at [e-mail].

Repair Service

If your product requires service, you must obtain a Returned Material Authorization (RMA) number by
calling 503-747-2261. Be ready to provide the following information:

Your name, the name of your company, your phone number, and e-mail address

The name of a technician

The quantity of items being returned

The model and serial number (barcode) of each item

A detailed description of the problem

Steps you have taken to resolve or recreate the problem

The return shipping address

Warranty Repair: All parts and labor charges are
Ground delivery to United States addresses.

or engineer that can be contacted if any questions arise

covered, including return shipping charges for UPS

Non-warranty Repair: All approved non-warranty repairs are subject
charges, parts charges

purchase order number for invoicing the repair.

and return shipping fees. Specify the shipping method you prefer and provide a

Note: Mark the RMA number clearly on the outside of the box before returning.

Tetra (VL-EPC-2700) Reference Manual iii

to diagnosis and labor

Contents

Introduction ................................................................................................................... 6

Description .......................................................................................................................... 6

Features and Construction ..................................................................................... 6

Technical Specifications ..................................................................................................... 7

Thermal Considerations ...................................................................................................... 7

Block Diagram .................................................................................................................... 9

Cautions ............................................................................................................................ 10

Electrostatic Discharge ........................................................................................ 10

Handling Care ...................................................................................................... 10

Earth Ground Requirement .................................................................................. 10

Configuration and Setup ............................................................................................. 11

Initial Configuration ......................................................................................................... 11

Basic Setup ....................................................................................................................... 11

Physical Layout ................................................................................................................ 12

Tetra Dimensions ................................................................................................. 12

Hardware Assembly ............................................................................................. 12

External Connectors ......................................................................................................... 13

System Features .......................................................................................................... 16

Power Supply .................................................................................................................... 16

Power Connectors ................................................................................................ 16

Power Requirements ............................................................................................ 16

CPU ................................................................................................................................... 16

System RAM ..................................................................................................................... 16

Interfaces and Connectors ......................................................................................... 17

Connectors and Jumpers ................................................................................................... 17

Storage Interfaces ............................................................................................................. 18

SATA Interface (J2) ............................................................................................ 18

Minicard Interface (J3) ........................................................................................ 18

MicroSD Interface (J4) ........................................................................................ 20

Network Interface ............................................................................................................. 20

Ethernet Interface (J5) ......................................................................................... 20

Video Interfaces ................................................................................................................ 21

HDMI (J6) ........................................................................................................... 21

LVDS (J7) ............................................................................................................ 21

iv Tetra (VL-EPC-2700) Reference Manual

LVDS Backlight (J8) ........................................................................................... 22

I/O Interfaces .................................................................................................................... 23

USB Interfaces (J1) ............................................................................................. 23

Serial I/O (J12) .................................................................................................... 23

User I/O (J13) ...................................................................................................... 24

Audio (J10) .......................................................................................................... 25

CAN Interface (J17, J18) ..................................................................................... 25

COM1 Interface (J16) .......................................................................................... 25

Low Cost Camera Interface (J9) .......................................................................... 25

Power Button .................................................................................................................... 26

Appendix A – References............................................................................................ 27

Figures

Figure 1. Major Components and Connectors ................................................................................................. 7

Figure 2. Tetra Board Block Diagram ............................................................................................................. 9

Figure 3. Tetra Board Dimensions and Mounting Holes ............................................................................... 12

Figure 4. Connector Locations (Top Side) .................................................................................................... 13

Tables

Table 1. Environmental Specifications ........................................................................................................... 7

Table 2. Connector Functions and Interface Cables ...................................................................................... 14

Table 3. Jumper Information ......................................................................................................................... 15

Table 4. J15 Main Power Connector Pinout .................................................................................................. 16

Table 5. V1 Pinout ........................................................................................................................................ 17

Table 6. V2 Pinout ........................................................................................................................................ 17

Table 7. J2 SATA Pinout .............................................................................................................................. 18

Table 8. J3 Minicard Pinout .......................................................................................................................... 18

Table 9. J4 microSD Pinout .......................................................................................................................... 20

Table 10. J5 Ethernet RJ45 Pinout ................................................................................................................ 20

Table 11. HDMI Connector Pinout ............................................................................................................... 21

Table 12. LVDS Connector Pinout ............................................................................................................... 21

Table 13. LVDS Backlight Connector Pinout ............................................................................................... 22

Table 14. USBx2 2.0 Connector Pinout ........................................................................................................ 23

Table 15. Serial I/O Pinouts .......................................................................................................................... 23

Table 16. User I/O Pinouts ............................................................................................................................ 24

Table 17. Audio Jack Pinout ......................................................................................................................... 25

Table 18. CAN Pinouts ................................................................................................................................. 25

Table 19. COM1 Pinout ................................................................................................................................ 25

Table 20. Camera Pinouts ............................................................................................................................. 26

Table 21. Power Buttons and Designator ...................................................................................................... 26

Tetra (VL-EPC-2700) Reference Manual v

Description

 Arm* i.MX6 quad-core processor

 Mini PCIe or mSATA socket

1

Features and Construction

The Tetra is a compact embedded computer system featuring very low power consumption.
Designed around an NXP i.MX6 quad-core processor, the entire board typically uses about 4W of
power. Multiple on-board I/O interfaces and soldered-on memory offers system designers a
flexible, reliable, low-power platform. In addition, the Tetra also contains a full complement of on­board I/O interfaces, including USB 2.0, a mini PCIe expansion or mSATA socket, Gigabit
Ethernet, multiple serial interfaces, and 8-bits of digital I/O.

Tetra is designed to operate with no moving parts and is tested to withstand extreme
temperatures, high-impact, and vibration. A built-in power supply permits 8 to 17 volt input, such
as 12 volt automotive systems. This single board computer is an ideal choice for applications that
require moderate performance, low-power, highest quality, and long product life.

Introduction

 95 x 125mm size

 Low power draw

 Fanless Operation

 Up to 4 GB soldered-on RAM

 Gigabit Ethernet

 HDMI and LVDS video

 CAN Bus

 MIPI camera input

VL-EPC-2700 boards are subjected to complete functional testing and are backed by a limited
five-year warranty. Careful parts sourcing and US-based technical support ensure the highest
possible quality, reliability, service, and product longevity for this exceptional single-board
computer (SBC).

 USB 2.0 ports

 Serial I/O (RS-232)

 SATA II port

 MicroSD card socket

 128 KB Magnetic RAM

 eMMC Flash. Up to 32 GB

 SPI

2

 I

C

 Eight 3.3V GPIO and three PWM

outputs

vi Tetra (VL-EPC-2700) User’s Guide

Introduction

Characteristic

Value

The next figure shows the locations of the Tetra board’s connectors and major components on the
top.

Figure 1. Major Components and Connectors

Technical Specifications

See the Tetra Data Sheet for complete specifications.

Thermal Considerations

The operating temperature for the Tetra is -40°C to +85°C, de-rated -1.1 °C per 305m (1,000 ft.)
above 2,300m (7,500 ft.).

Table 1. Environmental Specifications

Operating Temperature Ext Temp (-40°C to +85°C)

Storage Temperature -40 to +85

Cooling Fanless. Heatsink for SoC

Airflow Requirements 100 Linear Feet per Minute

Thermal Shock 5ºC/min. over operating temperature

Humidity Less than 95%, noncondensing

Tetra (VL-EPC-2700) User’s Guide 7

Introduction

Characteristic Value

Vibration, Sinusoidal Sweep MIL-STD-202G

Sinusoidal sweep: Method 204, Modified Condition A, 2g constant
acceleration from 5 to 500 Hz, 20 minutes per axis

Vibration, Random Random vibration: Method 214A, Condition A, 5.35g rms, 5 minutes per

axis

Mechanical Shock Shock: Method 213B, Condition G, 20g half-sine, 11 msec duration per

axis

8 Tetra (VL-EPC-2700) Reference Manual

Introduction

Serial Interfaces Header (CBR-2603)

I2C1 I2C2

NXP

i.MX6

ARM Cortex A-9

SoC

(Quad)

I2S Stereo

Audio

CODEC

Gigabit

Ethernet

PHY

LVDS
Video

Output

MiniPCIe

or

mSATA

User I/O Header

(CBR-3407)

DDR3L
SDRAM

DDR3L Soldered Devices

Audio

Line
In

Audio

Line
Out

RTC

Battery

Program

LED

Type A

Stacked Dual

Port USB

Connectors

USB0

1.1/2.0

USB1

1.1/2.0

HDMI
Video

Output

DDR3L
SDRAM

DDR3L
SDRAM

DDR3L
SDRAM

On-Board

Key:

Interface

GPIO x8
Optional
PWM x2 /

Timer

WDOG#

Ethernet

LED

UART3

2-wire

Headphon e
(stereo) and
Microphon e
Connector

Gigabit
Ethernet
Magjack

RJ45

CSI

Camera

Input

Accelerometer
Magnetometer

SATA

microSD

eMMC

8GB

USB HUB

2-Port

A

A

SD2

SD4

B

B

HDMI TX

ESD/5V

I2C2

HDMI

MRAM
128KB

64K x 16

SPI NOR Flash
U-Boot Device

B

V2

Jumper

LVDS x1 Channel(24-bit)

GPIO x2

MIPI CSI and GPIOx2

SATA

PCIe x1

I2C2

Res
Mux

Res
Mux

AUDIO5

GPIO

GPIO x8

GPIO

I2C3

RGMII

I2C1

I2C2 ECSPI3

CAN1

CAN2

UART1 UART3

ECSPI1

V1

Jumper

BOOT_MODE[0]BOOT_MODE[1] NC (PD internal)

USB Host

USB OTG

GPIO

Alternate

Power

V_MAIN

SPI3

3-Slave Selects

Off-board

Reset

Power/GND

3.3V

General

Purpose IRQ#

CAN1 &

CAN2

XCVRS

COM1
RS232
XCVR

PMIC

PF0100A

VREFDDR

VGEN1

VGEN2

VGEN3

VGEN5

VGEN6

V4P2

V1P375_CORE

SW1AB

SW1C

SW2

SW3AB

SWBST
VGEN4

SW4

LICELL VSNVS

V1P375_SOC

V3P3

V1P35_DDR

V0P675_DDR_VTT

V0P675_DDR_VREF

V1P5_MINI

V1P2_ETH

V1P8_AUDIO

V3_ALWAYS

V2P5_ETH

V3_VSNVSBATT

COM1
4-wire

CAN2

CAN1

Block Diagram

Figure 2. Tetra Board Block Diagram

Tetra (VL-EPC-2700) User’s Guide 9