Yes, Atmega 328 runs with 16 MHz crystal, two 22pF capacitors and some 100nF blocking capacitors for Vcc. Simply get Arduino's schematics, remove everything related to FTDI chip, voltage stabilisator etc. and you have a minimum version.
Yes, Atmega 328 runs with 16 MHz crystal, two 22pF capacitors and some 100nF blocking capacitors for Vcc. Simply get Arduino's schematics, remove everything related to FTDI chip, voltage stabilisator etc. and you have a minimum version.