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A lot of the recent discussion of FPGAs on E14 recently has been focused on huge great SOC type parts running Linux -  this project is at completely the other end of the scale.   I'm looking at using Gowin's FPGAs in a couple of new designs where small size and low cost are important. Although Lattice have some small cheap devices they have limitations and you can't get more than 48 pins without getting into very fine pitch BGA packages. Gowin do a GW1N-9xxx part in 88 pin 0.4mm pit ...
The basic building blocks on the DSP algorithm side   The DSP algorithms that need to be implemented are relatively simple, mathematically speaking. They consist of three basic operations, additions, multiplications and vector or matrix indexing. We will use the classic FIR formula as an example to illustrate this: Here we have two discrete-time signals, x[n] and y[n], the input and the output of our filter, where the index n represents time. The FIR filter itself is defined by its ord ...
You have an Ultra96-V2 board, but want more data throughput than the on-board WiFi can provide.  What do you do?  A USB-to-Ethernet adapter (USB 3.0 GbE adapter) is inexpensive and provides excellent throughput, but requires a wired Ethernet infrastructure.  Likewise, modern laptops often do not have a wired Ethernet jack but have lots of USB ports.  That makes USB gadget Ethernet a compelling solution to get a high throughput connection.  We often get asked on the Eleme ...
Hi,   This is season 2 of the Art of FPGA Design blog. I plan to add a new post every Tuesday but depending on how long it will take me to create the content some posts could appear every other week. I have outlined below the first few posts I am planning to make so you can have an idea on what to expect, As I create the content, they will turn into links to actual posts.   This is a change of direction from the first season of The Art of FPGA Design blog. While not a prerequisite for ...
Crossing the gap between mathematics and physics   This entire second season of The Art of FPGA Design will be about Digital Signal Processing. This is a vast subject one cannot cover in one book, let alone a few blog posts. It is a strange field which requires mastering both mathematics to express the algorithms and electrical engineering to come up with their implementation. We can talk about algorithms without having to worry about their implementation and that's math, or digital hardwa ...

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