Start by installing EagleCAD, draw your schematic diagram in it, and start designing. It's really not that hard, especially as it's all low speed digital signals (no more than 16 MHz) so not much to worry about.
Start by installing EagleCAD, draw your schematic diagram in it, and start designing. It's really not that hard, especially as it's all low speed digital signals (no more than 16 MHz) so not much to worry about.