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The Trenz Electronic TEB0728 Carrier Board provides functionalities for testing, evaluation and development purposes of company's 6 x 6 cm SoMs. The Carrier Board is equipped with various components and connectors for different configuration setups. See "6 x 6 SoM" Carriers" page for more information about 6 x 6 cm SoMs. 

Refer to for the current online version of this manual and other available documentation.

Key Features

  • Samtec Tiger Eye Terminal Socket ( 80 pins, 2 rows)
  • Micro SD card socket
  • 3 User LEDs, Red, Yellow, Green
  • Two RJ45 Gigabit Ethernet socket
  • Trenz 6x6 module connector strips (3 x Samtec Tiger Eye series connectors)
  • Barrel Jack for 5V power supply 
  • One user push button

Block Diagram

TEB0728 block diagram

Main Components

TEB0728 main components
  1. User push-button, S1
  2.  Jumper (Boot Mode), J4
  3. External connector (VG96) placeholder, J5 / J6
  4. LEDs , D1
  5. SD Card Connector, J10
  6. Board to Board Connector, J1-J2-J3
  7. RJ45 Gigabit Ethernet connector, J7-J8
  8. XMOD JTAG- / UART-header, JB1
  9. Barrel jack for 5V power supply, J9
  10.  Jumper(VCCIO_13), J11
  11. CR1220 Backup-Battery holder, B1

Initial Delivery State

There is no hardware component to be programmed on the carrier.

Storage device name




Initial delivery state of programmable devices on the module

Configuration Signals


DesignatorB2BJumperBoot Mode






ShortSD Card
Boot process.

There is a user push button which is used for RESET signal.


DesignatorB2BActive Level




Active High
Reset process.

Signals, Interfaces and Pins

Board to Board (B2B) I/Os

Number of I/O signals FPGA bank numbers connected to the B2B connectors:

B2B ConnectorInterfacesNumber of I/ONotes

User I/O48 singel ended, 24 differentialConnected to Bank 13
4 Single endedMIO10...13
CANH , CANL2 single endedMIO8, MIO9

User I/O22 singel ended, 11 differential
38 single endedMIO16...53
SoM Control Signals5RESET, RST_OUT, BOOT_R,
JTAG Interface4TCK , TDO, TDI, TMS


User I/O20 Single ended, 10 differentialConnected to Bank 35
34 single ended, 17 differentialConnected to Bankd 33
Ethernet 14 single ended, 2 differentialETH_CTREF , ETH_TD+, ETH_TD- , ETH_RD+, ETH_RD-, ETH_LED1, ETH_LED2, ETH_LED3
Ethernet 24 single ended, 2 differentialETH_CTREF , ETH_TD+, ETH_TD- , ETH_RD+, ETH_RD-, ETH_LED1, ETH_LED2, ETH_LED3
General overview of PL I/O signals and SoM's interfaces connected to the B2B connectors.

On-board Connector

There are two pin placeholder on the board, J5-J6. 

VGA96 Vertical ConnectorInterfacesNumber of I/ONotes

User I/O48 singel ended, 24 differentialConnected to Bank 13
34 single ended, 17 differentialConnected to Bank 33

User I/O42 singel ended, 21 differential
27 single endedMIO16... MIO39 + MIO51...53
4 single endedMIO10...13
SoM Control Signals3RESET, RST_OUT, BOOT_R
JTAG Interface4TCK , TDO, TDI, TMS


2 single endedMIO8, MIO9
General information about On-board connectors information

JTAG Interface Base

JTAG access to the TEB0728 Trenz module is available through B2B connector J2. JTAG Programmer TE0790_02 is provided by Trenz Electronic, More information is available here.


B2B Pin

XMOD Header JB1Note
AJ2-15JB1-3UART Txd - input
BJ2-16JB1-7UART Rxd - Output


GJ2-7JB1-11RESET will be connected to Push Button on JTAG Programmer
3.3V-JB1-5connected to GND
VIOJ2-2/4JB1-6VIO is connected to 3.3V which is supplied by carrier
JTAG interface Base

SD Card Socket

Power supply voltage for SD card holder is 3.3V.

On board peripherals

RJ45 Connector

Both Ethernet sockets,ETH1 and ETH2, are connected to the Board to Board (B2B) J3 on the carrier.

ETH_LED1J3-55J3-23Yellow LED- Activity
ETH_LED3J3-51J3-19Green Green- Link
Ethernet Connections to B2B Connectors

On-board Peripherals

Push button

DesignatorConnected toB2BActive LevelNote
S1-ARESETJ2-7Active highGeneral Input RESET
On-board push button


DesignatorConnected toB2BNote
J4Boot_RJ2-11Open: QSPI
Short: SD Card
On-board Jumpers

DesignatorConnected toVoltageNote
J11VCCIO_133.3 VPin 1 and the middle pin are connected
1.8 VPin 3 and the middle pin are connected
On-board Jumpers


DesignatorColorB2BActive LevelNote
D1-ARedJ2-30Active high
D1-BYellowJ2-38Active high
D1-CGreenJ2-36Active high
On-board LEDs

Power and Power-On Sequence

Power Supply

No power supply protection circuit on the carrier, module will be powered directly

Single 5V power supply with minimum current capability of 2.5A is recommended to operate the board.

  •  5V VIN (inner)
  • GND (outer)

    Power Connector

Power Consumption

Power Input PinTypical Current




Power Consumption

* TBD - To Be Determined

Power Rails

Module Connector (B2B) DesignatorVCC / VCCIODirectionPinsNotes



1, 3

Up to 12V carrier supply voltage
3.3VInput19PL IO-bank VCCIO
VCCO_13Output391.8V or 3.3V over jumper



2, 4

3.3V module supply voltage
1.8VInput5PL IO-bank VCCIO
VBATTOutput1RTC buffer voltage
Carrier Power Rails.

Board to Board Connectors

6 x 6 modules use two or three Samtec Micro Tiger Eye Socket Strip on the bottom side.
  • 3 x REF-189018-01 (compatible to TEM-140-02-03.0-H-D-A ), (80 pins, "40" per row)

Connector SpecificationsValue
Insulator materialBlack Liquid Crystal Polymer
Stacking height6 mm
Contact materialPhosphor-bronze
PlatingAu or Sn over 50 μ" (1.27 μm) Ni
Current rating2.9 A per pin (2 pins powered)
Operating temperature range-55 °C to +125 °C
RoHS compliantYes
Connector specifications.
Connector Mating height

When using the same type on baseboard, the mating height is 6mm. Other mating heights are possible by using connectors with a different height

Order numberConnector on baseboardcompatible toMating height
REF-189018-01TEM-140-02-03.0-H-D-A6 mm

SEM-140-02-03.0-H-D-ATEM-140-02-03.0-H-D-A6 mm

The module can be manufactured using other connectors upon request.

Connector Speed Ratings

The LSHM connector speed rating depends on the stacking height; please see the following table:

Stacking heightSpeed rating
6 mm, Single-Ended12 GHz
10 mm, Differential

17 GHz

6 mm, Single-Ended14.5 GHz
10 mm, Differential17.5 GHz
Speed rating.
Current Rating

Current rating of  Samtec Micro Tiger Eye Connector™ LSHM B2B connectors is 2.9A per pin (2 adjacent pins powered).

Connector Mechanical Ratings
  • Shock: 100G, 6 ms Sine
  • Vibration: 7.5G random, 2 hours per axis, 3 axes total

Manufacturer Documentation

  File Modified
PDF File SEM-140-02-03.0-H-D-A.pdf 11 02, 2019 by Pedram Babakhani
PDF File TEM-140-02-03.0-H-D-A.pdf 11 02, 2019 by Pedram Babakhani

Absolute Maximum Ratings

VIN supply voltage----V
  • Connected directly to the module power supply, see Module TRM
Storage Temperature-25+85°C
Module absolute maximum ratings.

Recommended Operating Conditions

Operating temperature range depends also on customer design and cooling solution. Please contact us for options.

VIN supply voltage----V
  • Connected directly to the module power supply, see Module TRM
  • 5V recommended for usage with TE0728
Operating Temperature-25+85°C
Recommended operating conditions.

Physical Dimensions

  • Module size: 100 mm × 107.7 mm.  Please download the assembly diagram for exact numbers.

  • Mating height with standard connectors: 7 mm.

  • PCB thickness: 1.6 mm.

Physical Dimension

Currently Offered Variants

Trenz shop TEB0728 overview page
English pageGerman page
Trenz Electronic Shop Overview

Revision History

Hardware Revision History

  • changed value R1
  • changed magjack connectors J7, J8
  • changed 2.1mm power jack THT on SMD
  • magjack connectors: pin8 connected to frame (shassis ground)
  • lib component update
  • added thermal bias to mounting holes
  • added visual serial number
  • changed 2.1mm power jack THT on SMD
  • added 2 x 10uF to VIN
  • ---
Hardware Revision History

Hardware revision number is printed on the PCB board next to the module model number separated by the dash.

Document Change History


Pedram Babakhani

  • typo table title

  • power rail section
2019-6-25v.132Pedram Babakhani
  • initial release



  • --
Document change history.


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The material contained in this document is provided “as is” and is subject to being changed at any time without notice. Trenz Electronic does not warrant the accuracy and completeness of the materials in this document. Further, to the maximum extent permitted by applicable law, Trenz Electronic disclaims all warranties, either express or implied, with regard to this document and any information contained herein, including but not limited to the implied warranties of merchantability, fitness for a particular purpose or non infringement of intellectual property. Trenz Electronic shall not be liable for errors or for incidental or consequential damages in connection with the furnishing, use, or performance of this document or of any information contained herein.

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Technology Licenses

The hardware / firmware / software described in this document are furnished under a license and may be used /modified / copied only in accordance with the terms of such license.

Environmental Protection

To confront directly with the responsibility toward the environment, the global community and eventually also oneself. Such a resolution should be integral part not only of everybody's life. Also enterprises shall be conscious of their social responsibility and contribute to the preservation of our common living space. That is why Trenz Electronic invests in the protection of our Environment.



Trenz Electronic is a manufacturer and a distributor of electronic products. It is therefore a so called downstream user in the sense of REACH. The products we supply to you are solely non-chemical products (goods). Moreover and under normal and reasonably foreseeable circumstances of application, the goods supplied to you shall not release any substance. For that, Trenz Electronic is obliged to neither register nor to provide safety data sheet. According to present knowledge and to best of our knowledge, no SVHC (Substances of Very High Concern) on the Candidate List are contained in our products. Furthermore, we will immediately and unsolicited inform our customers in compliance with REACH - Article 33 if any substance present in our goods (above a concentration of 0,1 % weight by weight) will be classified as SVHC by the European Chemicals Agency (ECHA).


Trenz Electronic GmbH herewith declares that all its products are developed, manufactured and distributed RoHS compliant.


Information for users within the European Union in accordance with Directive 2002/96/EC of the European Parliament and of the Council of 27 January 2003 on waste electrical and electronic equipment (WEEE).

Users of electrical and electronic equipment in private households are required not to dispose of waste electrical and electronic equipment as unsorted municipal waste and to collect such waste electrical and electronic equipment separately. By the 13 August 2005, Member States shall have ensured that systems are set up allowing final holders and distributors to return waste electrical and electronic equipment at least free of charge. Member States shall ensure the availability and accessibility of the necessary collection facilities. Separate collection is the precondition to ensure specific treatment and recycling of waste electrical and electronic equipment and is necessary to achieve the chosen level of protection of human health and the environment in the European Union. Consumers have to actively contribute to the success of such collection and the return of waste electrical and electronic equipment. Presence of hazardous substances in electrical and electronic equipment results in potential effects on the environment and human health. The symbol consisting of the crossed-out wheeled bin indicates separate collection for waste electrical and electronic equipment.

Trenz Electronic is registered under WEEE-Reg.-Nr. DE97922676.

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