- RING_PAD.gds: The Padring GDS File
- gf180mcu_fd_io.spice: A Spice netlist file in ngSpice format, converted by OpenPDK from the orignal CDL netlist.
- tb/*: Testbench Examples (Xschem)
- gf180mcu_fd_io 5V inline non-CUP GPIO: The official GPIO documentation
- GF180 IO Library Github Repository: GDS, LEF, Netlist, Synthesis library, Verilog model of the individual cells.