I write this project for make opensource spi flash programmer
- Arduino board(I use arduino Duemilanove)
- Some Resistor for current limit between Arduino(5v) to spi flash(3.3v)
- 3.3 Volt regulator for power flash ic.
Connection between Arduino and Flash
Arduno Pin 8 --> R 68E --> Flash HOLD
Arduno Pin 9 --> R 68E --> Flash WP
Arduno Pin 10 --> R 68E --> Flash CS
Arduno Pin 11 --> R 68E --> Flash DI
Arduno Pin 12 --> R 68E --> Flash DO --> R 10k --> 3.3 volt
Arduno Pin 13 --> R 68E --> Flash CLK
Flash VCC is 3.3 volt