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TinyFPGA BX

TinyFPGA BX
If you've ever wanted to use an FPGA in a project, but the available boards were too big or expensive, or you are new to FPGAs and want to learn how to use them, then TinyFPGA BX is the solution you're looking for!
It provides an easy to use component for your projects. It’s small enough to fit comfortably on a breadboard for learning or prototyping. Additionally, the TinyFPGA BX module is completely open hardware and open source.

Preis 51,00 $

Mitgliederpreis 46,00 $

Lieferbar

Versand erfolgt voraussichtlich in 14 Tagen

The TinyFPGA BX is a small FPGA module with all of the components and circuitry required for the FPGA to function. 

The TinyFPGA BX module allows you to design and implement your own digital logic circuits in a tiny form-factor perfect for breadboards, small spaces, or custom PCBs, which allows you to do things that are not possible with traditional microcontrollers. 

While microcontroller boards have a fixed set of onboard peripheral devices, the TinyFPGA BX modules can implement the exact peripheral devices needed for your project. Each time you have different requirements, reprogram the TinyFPGA BX with a new design suited to the task. You can create a design in your favorite digital design language (Verilog/VHDLMigen, and Chisel are some popular options). Alternatively, you can use a schematic entry tool like IceStudio. A schematic entry tool allows you to graphically draw a digital circuit to be implemented on the FPGA.

Once you have a design, you can program it onto the TinyFPGA BX module over USB. All the functions your design implements will now be able to interface with the outside world through the module’s IO pins.

The full potential of programmable logic devices allows for even more ambitious projects than custom microcontroller peripherals: augment a retro-computer with new capabilities, recreate an 8-bit computer from history, or design your own.

To learn how it all works, just place a TinyFPGA BX down on a breadboard and get to work interfacing it with LEDs, switches, rotary encoders, and any other peripheral, sensor, or interface you might like to try. 

The affordable price and free access to all kinds of software you might need make this FPGA module an excellent way to get started on a new adventure with digital logic.

Specifications

  • Height: 1.4 inches, width: 0.7 inches
  • Programming interface: USB 2.0 full-speed (12 Mbit/s)
  • ICE40LP8K FPGA
    • 7,680 four-input look-up-tables
    • 128 KBit block RAM
    • Phase Locked Loop
    • 41 user IO pins
  • 8 MBit of SPI Flash
  • Onboard 3.3 V (300 mA) and 1.2 V (150 mA) LDO regulators
  • Low-Power 16 MHz MEMs Oscillator
    • 1.3 mA power when active
    • 50 ppm stability

Open source bootloader

The TinyFPGA BX implements its own open source USB bootloader! Upon power-up, USB bootloader is loaded from SPI flash and becomes active. It appears on the host computer as a virtual serial port device. The programmer software automatically detects the board and uses the serial interface to program your design onto the board. Once your design is loaded in the SPI flash, the board reboots and loads your design without the bootloader. To update your design just press the reset button and the bootloader will be activated again.

In addition to lowering the cost of the board for users like you, TinyFPGA Bootloader also contains metadata on the SPI flash in an open JSON format. This metadata contains:

  1. A unique ID for each board. No matter what serial port designation your OS assigns your board, you can always be sure you are programming the right one.
  2. A human-readable name of the board and FPGA.
  3. Information on where to put the user program and optional user data.
  4. An update URL for obtaining bootloader/firmware updates.

If you want to see all the metadata stored on all the boards connected, you can get a full JSON listing of the metadata annotated with the serial port name they are connected to.

For technical details and source code see the TinyFPGA Bootloader GitHub repository.

High-quality PCB design

The TinyFPGA BX also has an improved PCB layout. In addition to nearly doubling the number of user IOs, it has a better power delivery.

Open source FPGA toolchain support

In addition to the free tools from Lattice for developing with the iCE40 FPGAs, the TinyFPGA BX is also supported by the completely open-source IceStorm FPGA toolchain.

IceStorm has enabled incredible tools like IceStudio to be developed. If you are new to the world of digital logic, IceStudio is a great way to learn and make with FPGAs.

If you're not a fan of graphical schematic entry, you can use your own favorite text editor or try out the APIO-IDE project. APIO-IDE builds on top of PlaformIO-IDE and is a great open-source development environment for FPGAs.

Artikel-Nr. 18628
Hersteller TinyFPGA

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