USB3 super speed development board useful as FPGA expansion based on the WCH-Tech CH569 chip. It should also be possible to substitute the CH569 with a CH565 chip, without further modifications.
Open source development tools and board support package are available here:
https://github.com/orgs/hydrausb3/repositories
- rev0 tested and working
- rev1 tested and working
- rev2 tested and working. Passes stress test. Recommended!
NOTE: Both rev0 and rev1 have shown spurious transmission errors in USB3 stress tests. Do not use for high performance duty. Adding a 100nF decoupling capacitor to the 3V3 pin of the crystal oscillator seemed to improve the situation significantly.
