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Table of Contents

Table of Contents

Overview

The Trenz Electronic TE0725 is a low cost small-sized FPGA module integrating a Xilinx Artix-7 (15-100T) and 32 MByte Flash memory for configuration and operation. The 2x 50 pin header with a 2,54mm standard pitch fits perfect on a breadboard. 


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Refer to http://trenz.org/te0725-info for online version of this manual and the rest of available documentation of the product.

Key Features

  • Xilinx Artix-7 XC7A35T (A15 to A100T) 

  • commercial temperature grade (industrial on requestCommercial Temperature Grade (Industrial on Request)

  • 32 MByte Flash memoryMemory

  • 2 x 50 pin headers Pin Headers with 2,54mm pitchPitch, ideal Ideal for breadboard useBreadboard Use

  • 87 IOs 88 IO's (42 + 42 + 43)
  • 100 MHz System Clock
  • I2C EEPromEEPROM

  • 3.3V single supply with on board voltage regulatorsSingle Power Supply with On-Board Voltage Regulators

  • Size 73 x 35 mm

  • JTAG connector /UART Connector 

  • 2 LEDsLED's

  • optional Optional HyperRAM (8 to 32 MByte)
  • optional Fiber Optic module

 

Image RemovedImage RemovedImage Removed
  • Optional POF Fiber Optical Adapter (125/250 Mbps)

Block Diagram

draw.io Diagram
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diagramNameTE0725-04_updated
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Main Components

Note on the images below, that there is no POF transceiver, no 50-pin headers and no JTAG/UART header installed.

Image Added   Image Added

  1. Xilinx Artix-7 FPGA, U1
  2. 32-MByte Flash memory, U7
  3. Enpirion EN6347 4A PowerSoC DC-DC step down converter, U10
  4. Enpirion EN5311 1A PowerSoC synchronous buck regulator with integrated inductor, U11
  5. POF transceiver placeholder, U8
  6. 50-pin placeholder for breadboard connector, J1
  7. 50-pin placeholder for breadboard connector, J2
  8. JTAG/UART connector, JB1
  9. Green LED D2(SYSLED) and red LED D3(DONE)
  10. 16K x 8 (128-Kbit) serial EEPROM, U2
  11. Low-noise, high PSRR, RF, 200-mA low-dropout linear regulator, U9
  12. Ultra-low supply-current voltage monitor with optional watchdog, U6
  13. Cypress S27KS0641 64-Mbit (8-MByte) HyperRAM™ self-refresh DRAM, U4

Signals, Interfaces and Pins

I/O

...

Banks

BankVCCIOB2B I/ONotes
03.3V0JTAG
143.3V0 (3)3 I/O in XMOD-JTAG - for use as UART
151.8V0used for optional hyper RAM
162.5V0used for optional optical fiber transceiver
34User
selectable
select420R resistor option to select 3.3V
35User
selectable
select420R resistor option to select 3.3V

JTAG Interface

JTAG access to the Xilinx Artix-7 device is provided through connector JB1. 

SignalPin Number
TCKJB1-4
TDOJB1-8
TDIJB1-10
TMSJB1-12
JTAGVREF(VIO)JB1-6
GNDJB1-1, JB1-2

Connector JB1 (2 x 6 pin header) is compatible with XMOD JTAG adapter TE0790. This adapter can be inserted from top onto the TE0725, if JB1 is fitted with male pin header. Optionally JB1 can be fitted with pin header from bottom, in that case the JTAG cable connector must be on the base board. When using XMOD-JTAG in JB1 then additionally USB UART is usable, and the push-button on XMOD works as configuration reset.

Recommended TE0790 (XMOD) DIP-switch settings :

  • S2-1: ON
  • S2-2: OFF
  • S2-3: OFF
  • S2-4: OFF

TE0790 can be in some cases used to power up TE0725 (other TE0790 DIP settings), however this is not recommended. TE0790-01 can not supply enough power for TE0725 (LED may blink but the module is not operating properly, especially in case of larger and more sophisticated designs).

POF Transceiver

Image Added

ModelBitrate MB/sNotes

AFBR-59F2Z

250

On-board LED's

LEDColorFPGA
 
Notes
D2
green
GreenM16
 

D3RedDONEActive low

Connectors

All connectors are are for 100mil headers, all connector locations are in 100 mil grid.


LEDColorFPGANotes
D2GreenM16
D3
redDONEActive Low

 

 

 

 

RedDONEActive low

Power and Power-On Sequence

To power-up a module, power supply with minimum current capability of 1A is recommended.

Power Supply

TE0725 needs one single power supply with nominal of 3.3V.

Power Consumption

FPGADesignTypical Power, 25C ambient
A35TNot configuredTBD*
A35TLED blinking170mW (typical)
A100TNot configuredTBD*

*TBD - To Be Determined.

Actual power consumption depends on the FPGA design and ambient temperature.

Power-On Sequence

There is no specific or special power-on sequence, single power source is needed as VIN, rest of the sequence is automatic.

Variants Currently In Production

Trenz shop TE0725 overview page
English pageGerman page

Technical Specifications

Absolute Maximum Ratings

Parameter

MinMax

Units

Reference document

3.3V supply voltage

-0.1

3.6

V


HR I/O banks supply voltage (VCCO)-0.53.6VXilinx datasheet DS181
HR I/O banks input voltage-0.4VCCO + 0.55VXilinx datasheet DS181

Storage Temperature

-40

+85

°C


Recommended Operating Conditions


 ParameterMinMaxUnitsReference document
VIN supply voltage3.1353.45V
HR I/O banks supply voltage (VCCO)1.143.465VXilinx datasheet DS181
HR I/O banks input voltage-0.20VCCO + 0.20VXilinx datasheet DS181
Operating Temperature0+85

°C



Note
Please check Xilinx datasheet DS181 for complete list of absolute maximum and recommended operating ratings for the Artix-7 device.

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Physical Dimensions

Please note that two different units are used on the figures below, SI system millimeters (mm) and imperial system thousandths of an inch(mil). This is because of the 100mil pin headers used, see also explanation below. To convert mils to millimeters and vice versa use formula 100mil's = 2,54mm.

Image Added


Image Added

All 100 mil pin headers are in 100 mil grid, the M3 mounting holes are in 50 mil grid aligned to the centers of the 100mil headers. The module is symmetrical, turning it 180 degrees will keep all I/O and Power pins in both 50 pin headers in compatible places.

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Operating Temperature Ranges

Commercial grade modules

All parts conform to at least commercial temperature range of 0°C to +70°C.

Industrial grade modules

All parts are at least industrial temperature range of -40°C to +85°C.

The module operating temperature range depends on customer design and cooling solution. Please contact us for options.

Revision History

Hardware Revision History

DateRevision

Notes

PCNDocumentation Link
2016-12-0903Second production releaseClick to see PCNTE0725-03
-02First production release
TE0725-02
-

01

Prototypes



Hardware revision number is printed on the PCB board together with the module model number separated by the dash.

Image Added   Image Added

Document Change History 

 Date

Revision

ContributorsDescription

Page info
infoTypeModified date
dateFormatyyyy-MM-dd
typeFlat

Page info
infoTypeCurrent version
prefixv.
typeFlat
showVersionsfalse

Page info
infoTypeModified by
typeFlat
showVersionsfalse

  • Block Diagram is updated.

2021-09-02

v.66

John Hartfiel

  • add JTAG notes.

2021-02-11

v.65

John Hartfiel

  • Replace Links.

2017-06-07

v.60

Jan Kumann
  • Minor formatting.

2017-01-27

v.57

Jan Kumann

  • New block diagram.

2017-01-12

v.46

Jan Kumann

  • Revision 03 product images added.

2016-12-15


Thorsten Trenz

  • Hardware revision 03 specific information added.

2016-12-09

v.40

Jan Kumann

  • Hardware revision 02 block diagram added.

2016-12-02

v.1

Antti Lukats

  • Initial version.

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