SAA1099

Philips Semiconductors

Features:

• 6 channel stereo mixers
  
• 6 frequency generators with 8 octaves per generator, 256 tones per octave.
  
• 12 amplitude controllers
  
• 6 noise/freqeuncy mixers
  
• 2 noise generators
  
• 2 envelope generators
  
• 4 bit DAC digital output
  
• Sample rate 15.6 KHz.

Full Data Sheet

More info at http://velesoft.speccy.cz/saa1099-cz.htm

The sound chip in the Sam Coupé prototypes was a AY-3-8912 as used in the ZX Spectrum 128K machine although it was on a different port meaning that emulated games would not play through it.