The FNX6809 is a 40-pin dual in-line package (DIP) extension board for the F256Jr and F256K that provides an FPGA-based, cycle-accurate implementation of the Motorola MC6809 CPU. It operates at 3.3 V and is capable of running at 6.29 MHz.
The FNX6809 is no longer manufactured. This repository collects the available design, fabrication, and assembly materials for F256Jr and F256K owners interested in building one themselves.
Wildbits Computing Company has not independently manufactured boards from this published package, so please review the design, BOM, Gerbers, drill files, and assembly data carefully before ordering boards or parts.
The materials are provided without warranty, as described in the applicable licenses.