Toolchain and notes
Open-source simulationSipeed local tool notes
Pin and IO facts must come from board documentation; generated pinout is not accepted.
Wrong top-level port names in constraints.Assuming board voltage without checking documentation.
Tang Primer 20K starter page with verified-source-first notes and simulation path before hardware.
Pin and IO facts must come from board documentation; generated pinout is not accepted.
Prepare a safe first board lab with simulation first.