4 layers101.6 × 101.6 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the XR68C681CJ-F by MaxLinear (2 5V Low-power mode、Hardware flow control support、Automatic error detection PLCC-44(16.6x16.6) UART ROHS). See how each wires it, with its parts, size, README and files; the XR68C681CJ-F’s symbol, footprint and pinout are on its own page.