FPGA Learning Development Board

Fred_1977

FPGA Learning Development Board [Copy link]

 

To be honest, learning FPGA was really a hobby, because I was engaged in hardware development and design; FPGA functions are confirmed to be very powerful, so I wanted to try to make a development board myself. If I buy it, it is indeed very expensive, of course this is not the main reason, the main reason is that it is more interesting to make it myself.

Since it was my first time to use FPGA, it took me about 3 months to check chip information on the official website, understand chip information and start schematic design, and I took some detours. This was just the beginning. After the schematic was completed, I wanted to buy a sample of FPGA chip in advance, but I found that the chips were super expensive, and some were reported to be over a thousand. This disrupted my plan, so I spent a few days buying one on a second-hand platform, which also cost several hundred dollars. Moreover, the chip model was different from the one I chose at the beginning. I had no choice but to modify the circuit diagram again, which took me a month to complete.

Finally, I can design the PCB. It took me about two weeks to prepare for the proofing on Jiali Chuang. I designed a 6-layer board. When the file was uploaded to the platform, I found that the PCB size was too large and it was not free. I had no choice but to divide the entire PCB into mother-and-child boards. This change was a big project and it took me another 10 days.

First, we finished the FPGA core board, and finally we can do free proofing. The PCB design work has finally come to an end.

Another important task is how to remove the FPGA on the board, because the FPGA I bought comes with a board; fortunately, because I have the resources of the SMT patch factory, I went to the patch factory to ask the technicians to help solder it off, and then plant the ball, and then solder it to the PCB board I designed. Fortunately, this process is relatively smooth. Show the picture:

I think there will definitely be many challenges waiting for me in the future. I need to adjust my mindset and take it one step at a time!

盛世辉煌电子科学

Not bad, not bad,

nmg

I remember there were FPGAs with 100 or so FPGAs, and those with over a thousand should be extremely powerful.

Fred_1977

676 pins, the function is quite strong, this model is in the mid-range, now it is hard to find cheap FPGA chips, even low-end ones are hard to find.

wangerxian

This is really a big project that took you three months. I want to see the moment when the board lights up!

Fred_1977

Yes, but I do it in my spare time, not affecting my work. Sometimes I do it during work.

1nnocent

Looking forward to further progress

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Fred_1977

The PCB sub-board is still being sampled. It will probably be soldered this week, and we will try to get the hardware tuned next week.

ddllxxrr

I don't dare to touch BGA package, one is that I am afraid that I can't solder it, and the other is that I am afraid that some pins will be poorly soldered after soldering.

vviolet

Learning FPGA recommends the zynq series, which is convenient

Fred_1977

Actually, my soldering skills are not that good, but fortunately I found a patch factory to help me pass the reflow soldering.

soso

This is the FPGA board and tutorial made in the forum a few years ago, for reference: https://en.eeworld.com/bbs/thread-291374-1-1.html

Fred_1977

Before the end of 2022, the core board and sub-board were finally completed; the next step is to adjust the functions.

xutong

Domestic FPGA development board less than 100 yuan

孤独的单刀

A rare good thing, thank you for sharing, I will spend some time to study it next

kobe0203

Not bad, not bad, the hands-on ability is quite strong, but the domestic FPGA development board is also very cheap

蒋小星

The author has good practical ability! Seeing the author's efforts, the FPGA newbie expressed admiration