7 Developer : Belogic Software Year of Release : 2008 CPU : Amtel ATmega644 microcontroller @ 28.6 Mhz RAM : 4 K Program Memory : 64 K Sound : 5 channels wavetable synthesis , 8-bit mono, mixed at ~15Khz and PWM output Resolution : Various video modes supporting up to 360x224 pixels in tiles-only mode Colors : 256 simultaneous colors arranged in a 3:3:2 color space Media : SD Memory Card