Table of Contents
Overview
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
- 2x6 PMOD connector solder pads, J1 (on bottom side)
- 6-Pin header solder pads, J8
- 12-Pin header solder pads, J2
- 10-pin IDC connector solder pads, J4 (solder pads J5 on bottom side)
- 6-pin IDC connector solder pads, J3 (solder pads J6 on bottom side)
- 2x6 PMOD connector
- 1-row 6-pin header female (2.54 mm pitch)
- 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 Name | J2 Pin Name | Signal |
|---|---|---|---|
| GND | 1* | GND | |
| User Defined | C | A | User Defined |
| VIO | VDD 3.3V | ||
| User Defined | D | B | User Defined |
| User Defined | F | E | User Defined |
| User Defined | H | G | User 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 Name | Signal | Note |
|---|---|---|---|
| 1 | VIO | VCCIO | depends on TE0790 voltage settings |
| 2 | GND | Ground | - |
| 3 | C | TCK | - |
| 4 | D | TDO | - |
| 5 | F | TDI | - |
| 6 | H | TMS | - |
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:
| Note | Signal | J1 Pin Name | J1 Pin Number | J1 Pin Number | J1 Pin Name | Signal | Note |
|---|---|---|---|---|---|---|---|
| - | UART TXD | A | 7 | 1 | C | TCK | - |
- | UART RXD | B | 8 | 2 | D | TDO | - |
| usable as GPIO | LED on TE0790 | E | 9 | 3 | F | TDI | - |
| usable as GPIO | Button on TE0790 | G | 10 | 4 | H | TMS | - |
| - | Ground | GND | 11 | 5 | GND | Ground | - |
| - | VCC / VCCIO | 3.3V | 12 | 6 | 3.3V | VCC / VCCIO | - |
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 Name | J4 Pin Number | J5 Pin Number | Signal | Note |
|---|---|---|---|---|
| A | 1 | 10 | UART TXD | |
| B | 3 | 8 | UART RXD | - |
| C | 2 | 9 | TCK | - |
| D | 4 | 7 | TDO | - |
| E | 5 | 6 | LED on TE0790 | usable as GPIO |
| F | 6 | 5 | TDI | - |
| G | 7 | 4 | Button on TE0790 | usable as GPIO |
| H | 8 | 3 | TMS | - |
| VIO | 9 | 2 | VCC / VCCIO | depends on TE0790 voltage settings |
| GND | 10 | 1 | Ground | - |
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 Name | J3 Pin Number | J6 Pin Number | Signal | Note |
|---|---|---|---|---|
| C | 6 | 1 | TCK | - |
| D | 5 | 2 | TDO | - |
| F | 4 | 3 | TDI | - |
| H | 3 | 4 | TMS | - |
| VIO | 2 | 5 | VCC / VCCIO | depends on TE0790 voltage settings |
| GND | 1 | 6 | Ground | - |
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
| Date | Revision | Notes | PCN | Documentation Link |
|---|---|---|---|---|
| - | 01 | current available revision | - | TE0791-01 |
Table 6: Board hardware revision history.
Document Change History
Date | Revision | Contributors | Description |
|---|---|---|---|
| Ali Naseri | initial document |
Table 7: Document change history.
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