#371 RISC-V: How much is open source? Featuring the new ESP32-C3

January 16, 2025 Andreas Spiess

When I got these new RISC-V ESP32 boards in my mail, I asked myself: Is this new technology revolutionary as written everywhere? What are the advantages for a typical Maker? Time for a closer look. But pay attention: It will be a rough ride and not for the fainthearted because we will talk about “stacks,” “IP,” “ecosystems,” and a lot about standardization.
If you hang on till the end, you should have enough knowledge to impress your boss. But maybe you will not be happy.
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Links:
Jeroen’s Video: https://youtu.be/X39nnPWmkvA

00:00 Intro
01:08 Content
01:42 What is RISC-V? / RISC / CISC
03:59 RISC / CISC History
04:57 The Technology Stack
06:39 Standardization and Flexibility
08:53 Most important Learning
09:33 ISA (Chip Architecture)
10:37 Corporate Strategies (why is ARM so successful?)
14:03 RTL, FPGAs, Verification
15:05 The Ecosystem
15:30 Who needs RISC-V?
16:16 Linux as an Example for Open Source development
16:44 Other Open Source Chips and why RISC-V’s timing is right
17:10 The Absent
17:33 The Proof (Nvidia bought ARM)
18:51 What is Open Source?
19:46 How to order our custom chip?
20:21 The ESP32-C3
22:10 There is Hope (SpriteTM and Hackaday)
22:41 The Future of RISC-V
23:37 Where to use the ESP32-C3?
24:04 Conclusions

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