Okay, I messed up. Totally my fault. I originally breadboard tested FlexSPI on pins 14-17. Laying out my PCB, I changed these to pins 0, 1, and 11 (with the intention of skipping the MOSI pin altogether, I simply don't need it). I forgot to...
Hi all, I'm designing a pinball playfield controller breakout board around a Teensy 4.0, and I'm almost done with my design. It will always be connected to a host PC via USB, as it works as a multi-HID device. But my head starts hurting when I...