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Trenz Electronic USB FX2 FPGA modules are devices that support USB 1.1 and USB 2.0 Hi-Speed communication with a host computer.  Low-power downstream ports (capable of sourcing 100 mA or less) are not supported. High-power downstream ports (capable of sourcing at least 500 mA) are supported.

Scroll pdf title
titleTE USB FX2 system overview.

This document gives an overview of the USB FX2 technology stack supported by Trenz Electronic FPGA modules equipped with Cypress EZ-USB FX2 microcontroller (currently: TE0300, TE0320 and TE0630).

Generations

There are two generations of Trenz Electronic USB FX2 FPGA modules. The following table summarizes the main differences.

Scroll pdf title
titleTechnology stack generation comparison table.

generation

2

3

hardware

same

same

reference architecture

same

same

firmware

same

same

VID

0x0547

0x0BD0

PID

0x1002

0x0300

device driver family

DEWESoft

Cypress EZ-USB

API(s) family

DEWESoft (C++)

Cypress (C++, .NET)

reference application

DEWESoft (C++)

Trenz Electronic (C++, .NET)

recovery USB firmware tools

Cypress USB Console,
Cypress USB Control Center

Cypress USB Console,
Cypress USB Control Center

regular USB firmware tools

DEWESoft FUT
Open_FUT (generation 2)

Cypress USB Console,
Cypress USB Control Center
Open_FUT (generation 3)
OpenFutNet (generation 3)

recovery FPGA bitstream tool

Xilinx iMPACT

Xilinx iMPACT

regular FPGA bitstream tool

Xilinx iMPACT,
DEWESoft FUT,
Open_FUT (generation 2)

Xilinx iMPACT,
Open_FUT (generation 3)
OpenFutNet (generation 3)

Trenz Electronic modules can be used with both couples of driver/API:

...

Modules of both generations are factory programmed and tested with an open source reference architecture.

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Capabilities

The reference architecture allows users to

  • read and write the module SDRAM,
  • read and write the Flash EEPROM,
  • read and write the USB microcontroller EEPROM,
  • read firmware version,
  • reconfigure the FPGA

from a host application.Image Removed

Scroll pdf title
titleSample application block diagram.
Image Added

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Technology Stack Overview (Recovery Mode)

Scroll pdf title
titleTechnology stack block diagram - recovery mode.
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Technology Stack Overview (Regular Mode)

Scroll pdf title
titleTechnology stack block diagram - regular mode.
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Licence

The source code of the Trenz Electronic USB FX2 Technology Stack is released on GitHub under the MIT license.