Texas Instruments SN76489
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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 video games, and home computers (TI-99/4A, BBC Micro, ColecoVision, IBM PCjr, Tomy Tutor, Master System, Game Gear, Tandy 1000), competing with the similar General Instrument AY-3-8910.
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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