Schematics
Atmel Mega103L/STA013/CS4334 Interface
(Adapted from http://www.pjrc.com/tech/mp3/sta013.html#example)
5 Volt to 3 Volt Bi-Directional Level Shifting (Adapted
from http://www.pjrc.com/tech/mp3/sta013.html#example)
Atmel Mega103L/IDE Interface