Texas Instruments SN76489
From Wikipedia, the free encyclopedia
The SN76489[1] Digital Complex Sound Generator (DCSG) is a TTL-compatible programmable sound generator chip from Texas Instruments.[2] Its main application was the generation of music and sound effects in game consoles, arcade games and home computers (such as the TI-99/4A, BBC Micro, ColecoVision, IBM PCjr, Tomy Tutor, Sega Master System, Sega Game Gear, and Tandy 1000), competing with the similar General Instrument AY-3-8910.
It contains:[1]
- 3 square wave tone generators
- A wide range of frequencies
- 16 different volume levels
- 1 noise generator
- 2 types (white noise and periodic)
- 3 different frequencies
- 16 different volume levels