A customer reported that the PLL on the UPduino low-cost Lattice iCE40 FPGA board was intermittent. The blog details the process I used to debug the issue. This work in part motivated the development of the UPduino 3.0.
A customer reported that the PLL on the UPduino low-cost Lattice iCE40 FPGA board was intermittent. The blog details the process I used to debug the issue. This work in part motivated the development of the UPduino 3.0.