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Table of Contents


The Trenz Electronic TE0791-01 is an adapter board for use with the XMOD TE0790 board. The adapter board provides several connector types to get access to the signals and interfaces of the XMOD board. As further option footprints are available for JST Wire-To-Board IDC connectors with two different pin-assignments.

Key Features

  • Xmod form-factor
    • size: 20 x 25 mm
    • M3 mounting hole
  • Different connector types available
    • 2x6 PMOD connector
    • JTAG 1-row pin header female
    • 2x optional JST Wire-To-Board 6-pin IDC connector
    • 2x optional JST Wire-To-Board 10-pin IDC connector
    • IDC connectors with different pin-assignment each

Block Diagram

Figure 1: TE0791-01 block diagram.

Main Components

Figure 2: TE0790-02 main components. Top side view

  1. 2x6 PMOD connector solder pads, J1 (on bottom side)
  2. 6-Pin header solder pads, J8
  3. 12-Pin header solder pads, J2
  4. 10-pin IDC connector solder pads, J4 (solder pads J5 on bottom side)
  5. 6-pin IDC connector solder pads, J3 (solder pads J6 on bottom side)
  6. 2x6 PMOD connector
  7. 1-row 6-pin header female (2.54 mm pitch)
  8. 2-row 12-pin header male (2.54 mm pitch)

Signals, Interfaces and Pins

2x6 Pin Header

The 2x6 pin header (2.54mm grid size, male) J2 of the TE0791 board have to be connected to the corresponding XMOD pin header on the TE0790 board. The signal assignment of the pin header on the TE0790 board depends on the configuration of its System Controller CPLD firmware.

The pin assignment on the TE0791 adapter board is the same as on the TE0790 XMOD board:

Signal J2 Pin NameJ2 Pin Name Signal
User DefinedCAUser Defined
User DefinedDBUser Defined
User DefinedFEUser Defined
User DefinedHGUser Defined / Button (Reset_n)

Table 1: Pin header J2 signal assignment. *pin 1 on header J2 of the adapter board

1x6 Pin Header

On the female 1-row 6-pin header (2.54mm grid size, female) J8 are the XMOD signals C, D, F and H available. At standard System Controller CPLD firmware, this signals create the JTAG interface of the XMOD board:

J8 Pin Number J8 Pin NameSignalNote
1VIOVCCIOdepends on TE0790 voltage settings

Table 2: Pin header J8 signal assignment with standard TE0790 CPLD firmware

2x6 PMOD Header

On the 2x6 PMOD header J1 are all XMOD signals A - H available. The pin- and signal-assignment with standard System Controller CPLD firmware of the XMOD board are as follows:

NoteSignalJ1 Pin Name J1 Pin NumberJ1 Pin NumberJ1 Pin NameSignalNote


usable as GPIOLED on TE0790E93FTDI-
usable as GPIOButton on TE0790G104HTMS-
-Ground GND115GNDGround-

Table 3: PMOD J1 signal assignment with standard TE0790 CPLD firmware

10-pin IDC Connector

On the TE0791 board are footprints available for 10-pin JST Wire-To-Board IDC connectors J4 and J5 with two different pin-assignments, where all XMOD signals A - H are available. The pin- and signal-assignment with standard System Controller CPLD firmware of the XMOD board are as follows:

Pin NameJ4 Pin NumberJ5 Pin NumberSignalNote
E56LED on TE0790usable as GPIO
G74Button on TE0790usable as GPIO

Table 4: IDC connector J4 and J5 signal assignment with standard TE0790 CPLD firmware

6-pin IDC Connector

On the TE0791 board are footprints available for 6-pin JST Wire-To-Board IDC connectors J3 and J6 with two different pin-assignments, where the XMOD signals C, D, F and H are available. At standard System Controller CPLD firmware, this signals create the JTAG interface of the XMOD board:

Pin NameJ3 Pin NumberJ6 Pin NumberSignalNote

Table 5: IDC connector J3 and J6 signal assignment with standard TE0790 CPLD firmware

Technical Specification

Physical Dimensions

  • Module size: 24,65mm × 20,02mm.  Please download the assembly diagram for exact numbers.

  • Mating height with standard pin headers: 9.5 mm.

  • PCB thickness: 1.6 mm.

  • Highest part on PCB: approx. 7 mm on top side, 5 mm on bottom side. Please download the step model for exact numbers.

All dimensions are given in millimeters and mil.

Figure 3: Board physical dimensions drawing.

Revision History

Hardware Revision History



PCNDocumentation Link
-01current available revision-TE0791-01

Table 6: Board hardware revision history.

Document Change History





Ali Naseriinitial document

Table 7: Document change history.


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Please also note our data protection declaration at

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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.

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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.

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