IOTA Crypto Core FPGA — 5th Progress Report

The full article was originally published by MicroEngineer on Medium. Read the full article here.

Architecture Update

Since the EDF proposal (back in December) the architecture changed a lot and has been extended.

For instance, it wasn’t planned to support full Linux or to have USB. But since the controller was swapped to a more secure one the technical specs changed — Faster, more RAM, more periphery.

The main task of milestone 4 was the development of a SoM which can be used for high-level applications. Also the SoM should directly work with the FPGA module from milestone 3.

Originally, the Application Controller was supposed to be something simpler for bare-metal* applications but was swapped to a more potent controller which has more and better security features. Additionally, it is faster, has more RAM and can run full Linux. This gives a lot of advantages —e.g. you don’t have to care about device drivers for complex periphery like ethernet, USB or Bluetooth.

It might surprise that not only the SoM-block is marked green but also most of the Application which actually was scheduled for the 5th milestone.

The reason is quite simple — the SoM only has connectors on the bottom of the PCB so it can be plugged on a board. But how to test it without a board where it can be plugged on?

In order to avoid another test-board, I decided to move the PCB design of the Gateway into the 4th milestone and to extend it with additional interfaces.

bare metal*: applications run directly on the hardware without operating system like Linux

Read the full Article

The full article was originally published by MicroEngineer on Medium, where people are continuing the conversation by highlighting and responding to this story.

You might also like

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. AcceptRead More

Did you know?

Buy in without the stress of trying to time the market

when you setup a savings plan. If you haven’t started a plan yet, head to your Bitpanda account to get started!

Purchasing cryptocurrencies comes with a number of risks.
Never invest money that you can't afford to lose.

You can automatically invest

in IOTA with Bitpanda Savings!