C64 Specifications

Commodore 64

Released: August 1982.

Sales: about 17 mil. /best selling single computer ever!/

Discontinued: April 1994.

CPU: MOS Technology 6510 /clock: 0.985 MHz PAL or 1.023 NTSC version/

RAM: 64 Kb

ROM: 20 Kb

Sound: MOS Technology 6581/8580 SID /3 Synthesized Channels with own programmable ADSR envelope; 4 waveforms: Triangle, Sawtooth, Pulse, Noise; 8 octaves; Programmable filter: low pass, high pass, band pass, notch; Oscillator synchronisation; Ring modulation;/

Video: MOS Technology 6567/8562 (NTSC) or 6569/8565 (PAL) VIC-II / 40×25 text mode, chars 8×8 or 4×8 in multicolor mode, 256 predefined chars; Bitmap mode 320×200 or 160×200 in multicolor mode; 8 hardware sprites 24×21 or 12×21 in multicolor mode; Smooth scrolling, raster interupts/

Input and Ouput: two 6526 /16 bit parallel i/o; 8 bit serial i/o; Time of day clock; 16 bit cascadable timers/

Ports:

• Cartridge expansion slot
• RF modulator output
• Audio and Video output /8 pin DIN/
• Serial bus /6 pin DIN/
• Tape interface
• User port
• 2x Joystick ports