This is a version of code that sends data to the PC.
Unlike previous code this requries no external ram or fifo.
It just sends the data as it recevices it.
The transfer rate is .5 mbps or 64kbytes per second
Connections
Order arduino ov7670
A5->SIOC
A4<->SIOD
11-> (convert 5v to 3.3v) XCLK
A0<-0
A1<-1
A2<-2
A3<-3
4<-4
5<-5
6<-6
7<-7
3<-VSYNC
2<-PCLK