Hardware for DE0 Nano / DE2 board

On the breadboard : 

• Video DAC : RGB 3x3 bits, Hsync, Vsync ready for VGA 31KHz or RGB SCART 15KHz, 50/60Hz.
• Audio DAC :   PWM stereo.
• PS2 input only

Green PCB plugged on the DE0 Nano GPIO connector :

• SRAM + IEC interface

SRAM + IEC interface for DE0 Nano or DE2 GPIO

• SRAM 512Kx8, 10/12ns
•  IEC interface 3 bits (data, clk, atn), 3.3/5.0v converter, usable with original drives (1541...) or with modern IEC/SD replacement.

2 spare SRAM + IEC PCBs available

• 20€ pcb only (no components)
• 30€ with surface mount components (no connectors)

uIEC/SD plugged in :

Full configuration with external wiring :

• SUBD 15 pin HD for video, VGA via standard cable, specific cable required for SCART
• Jack 3.5 stereo for audio
• USB for keyboard (use PS2 keyboard ONLY)