SPECIFICATION OF ZX SPECTRUM 48KB

 

Text Box: NAME: ZX SPECTRUM 48K 

MANUFACTURER: Sinclair Research 

TYPE: 8 bit Home Computer 

ORIGIN: England

YEAR: 1982 

BUILT IN LANGUAGE: Sinclair BASIC 

KEYBOARD: 40 rubber keys 

CPU: Z80A 

CPU's SPEED: 3,5 MHz 

SOUND: generated by Z80 chip via ULA, 1-bit quality, max. 16 software channels (1 hardware channel), 10 octaves, various modulations, envelopes, drums, digital sound etc, coming from audio-out & built-in speaker/ beeper (AY chip interface also available)

VIDEO CHIP: ULA chip 

STANDARD GRAPHIC MODE: 256 x 192 dots in color mode (software multicolor mode available)

COLORS: 15

HARDWARE TEXT MODE: standard is 32 chars. x 24 rows (other text modes are fully and freely programmable)

RAM: 48 KB 

ROM: 16 KB 

I/O PORTS: Audio OUT/IN (also for Tape Recorder), TV, ZX-bus connector 

OS: BASIC based 

POWER SUPPLY: External power supply unit, 9V

PERIPHERALS: All the Sinclair Spectrum and Timex Computers stuff